Present invention relates to a clamping device, a detensioning system and their methods thereof for clamping an object, wherein the clamping device (100) comprises a body (20) and a stressing means (40); wherein the body (20) of the clamping device (100) comprises at least two wedge-like elements (22), and structural support elements such as backing elements (21) and/or closing plates (23) for supporting the at least two wedge-like elements (22), wherein the wedge-like elements (22) are housed at least partially within the body (20), arranged next to each other for forming a cavity with an opening for receiving an object (50) to be clamped, wherein the wedge-like elements (22) are movable by the stressing means (40) in at least one degree of freedom relative to each other; wherein the stressing means (40) is either mounted directly on the clamping device (100), or on a stressing chair which in turn is bearing against the body (20) in order to exert a force to the clamping device (100) such that the resulting movement of the wedge-like elements (22) against the surface of the object (50) to be clamped induces a clamping force.
Present invention relates to a cable system (10), a method, and its use for a tensioning element such as suspension bridges and/or a structural element such as extended roofs of buildings, comprising main cables (12), hangers (22), and clamps (24), wherein the main cable (12) comprises a pipe (11) as a housing, one or more tensile elements (15) provided within the pipe (11) for carrying longitudinal tensile force along the main cable (12); and a compressing element (16) provided surrounding at least partly the tensile elements (15) for taking radial compression and possibly longitudinal compression, wherein the hanger (22) is connected to the main cable (12) through the clamp (24), configured in such a way that hanger force is introduced only into the compressing element (16) and is further transferred radially from the compressing element (16) to the tensile elements (15).
Present invention relates to a sensing system (100), a load-bearing element (500) comprising said sensing system and a method of installing the sensing system thereof. Present invention aims to provide a sensing system (100) for measuring physical parameters, such as temperature, humidity, acceleration, gas signature, light, vibration and/or motion. The present invention comprises a height adjustable sensing device (20) comprising a substantially tubular casing (12), a wire (16) for transmitting data and/or for hoisting or lowering the height adjustable sensing device (20), wherein one end of the height adjustable sensing device (20) is connected to the wire (16). The present invention specifically relates to a sensing system (100) for measuring physical parameters of a structural or tensioning element such as a stay cable or tendon, wherein the structural or tensioning element comprises a recipient (520) as a housing, wherein the sensing system (100) is at least partially provided within the recipient (520), comprising (a) A height adjustable sensing device (20) comprising a substantially tubular casing (12) provided within the recipient (520), wherein at least one sensor is provided within the tubular casing (12); (b) A wire (16) for transmitting data and/or for hoisting or lowering the height adjustable sensing device (20), wherein one end of the height adjustable sensing device (20) is connected to the wire (16) so as to allow the sensing device (20) to reach any length of the structural or tensioning element.
A cable anchorage system for anchoring a cable (1) at a construction comprises an anchor head (2) mounted to the cable (1), a construction socket (3) attachable to the construction and a connector (4) for connecting the anchor head (2) to the construction socket (3). The construction socket (3) comprises an opening (5) with an internal thread (6) for at least partially receiving the anchor head (2), when the system is tensioned by a stressing unit. The connector (4) comprises an external thread (7) and is movably arranged along the anchor head (2) for providing a longitudinally adjustable stop (8) by engaging with the internal thread (6) of the opening (5) of the construction socket (3). The anchor head (2) comprises a radially extending shoulder (10), which abuts against the stop (8) of the connector (4), when the connector (4) is adjusted in a cable tensioning position at the construction socket (3).
Detensioning system and method thereof for detensioning a structural element or a tensioning element, comprising • At least one clamping device (120) arranged on at least one side of the portion (20a) of the structural element or the tensioning element to be detensioned, wherein the clamping device (120) having an internal surface profile, arranged to form a substantially elongated, annular cavity (55c) surrounding the structural element or the tensioning element to be detensioned, comprising an empty space for receiving one or more inner elements (55) to be introduced therein, wherein the substantially elongated, annular cavity comprises a gradually declining diameter along the longitudinal axis of the elongated annular cavity (55c) shaped by at least one peak and one groove of the internal surface profile of the clamping device (120); • Two or more stressbars (140) arranged to connect between an anchored structure and the clamping device (120) which is arranged on one side of the portion (20a) of the structural element or the tensioning element to be detensioned, or arranged to connect between the clamping devices (120) arranged on both sides of the portion (20a) of the structural element or tensioning element to be detensioned; • Two or more stressbar hydraulic cylinders (160), wherein each of the stressbar hydraulic cylinder (160) is either mounted directly on the clamping device (120), or on a stressing chair (165) which in turn is bearing against the clamping device (120) located on at least one side of the portion (20a) structural element or the tensioning element to be detensioned.
The present invention relates to an armoury assembly (100) for the protection of a structural material (115) and/or load-carrying element (85) having a longitudinal axis, wherein the armouiy assembly is provided longitudinally surrounding the structural material (115) and/or load-carrying element (85) to be protected, wherein the armouiy assembly (100) comprises at least two different layers, one being an energy-absorption matrix (20), the other layer (10) being made of a metal, an alloy or a fibre reinforced polymer having a thickness less than the energy-absorption matrix (20), wherein two or more longitudinal channels (30) are being provided to the armouiy assembly (100), wherein the channels (30) are substantially parallel to the longitudinal axis of the structural material (115) and/or the load-carrying element (85).
Present invention relates to a method of replacing bearings in a half joint area of a viaduct comprising a plurality of axially arranged elongated spans, wherein each of the elongated span is supported on at least three or four bearings, forming supporting bases of the span, such that the centre of gravity of the elongated span lies within an area inscribed by the supporting bases of the span; wherein the half joint area is a substantially rectangular empty space approximately located at at least one longitudinal end of the elongated span, resulted from the span being supported on the bearings which in turn are supported on at least one or two neighbouring pierheads; comprising the steps of - a. Inserting one or more load lifting devices (300) to the half joint area; - b. Transferring load to the one or more load lifting devices (300) introduced in the step (a); - c. Replacing one or more bearings (200) of the half joint area (180) and transferring loads to the newly installed one or more bearings (200); - d. Removing the one or more load lifting devices (300) introduced in the step (a).
Present invention relates to a pipe (5) for stay cable and a method for tightening the pipe (5) using stressing means (10). The pipe (5) comprises a tubular shaped wall having an interior and an exterior surface, wherein stressing means (10) are provided to the exterior surface of the tubular shaped wall of the pipe (5), wherein the stressing means (10) are configured in a way to exert a compression force around the tubular shape wall of the pipe (5) longitudinally.
The present invention relates to an armoury assembly (100) for the protection of a structural material (115) and/or load-carrying element (85) having a longitudinal axis, wherein the armoury assembly is provided longitudinally surrounding the structural material (115) and/or load-carrying element (85) to be protected, wherein the armoury assembly (100) comprises at least two different layers, one being an energy-absorption matrix (20), the other layer (10) being made of a metal, an alloy or a fibre reinforced polymer having a thickness less than the energy-absorption matrix (20), wherein two or more longitudinal channels (30) are being provided to the armoury assembly (100), wherein the channels (30) are substantially parallel to the longitudinal axis of the structural material (115) and/or the load-carrying element (85).
The present invention relates to an armoury assembly (100) for the protection of a structural material (115) and/or load-carrying element (85) having a longitudinal axis, wherein the armoury assembly is provided longitudinally surrounding the structural material (115) and/or load-carrying element (85) to be protected, wherein the armoury assembly (100) comprises at least two different layers, one being an energy-absorption matrix (20), the other layer (10) being made of a metal, an alloy or a fibre reinforced polymer having a thickness less than the energy-absorption matrix (20), wherein two or more longitudinal channels (30) are being provided to the armoury assembly (100), wherein the channels (30) are substantially parallel to the longitudinal axis of the structural material (115) and/or the load-carrying element (85).
A cable anchorage system for anchoring a cable to a support structure in a civil engineering construction comprises an anchorage socket attached to the cable, a support socket attached to the support structure and a longitudinal coupling rod, which couples the anchorage socket to the support socket. The coupling rod comprises a threaded end, which interacts with a counter thread on one of the two parts which are the anchorage socket and the support socket, and a mounting end with a radially extending rod shoulder. The other one of the two parts which are the anchorage socket and the support socket comprises a longitudinal opening for receiving the mounting end of the coupling rod, which opening comprises an inwardly extending abutment shoulder. The rod shoulder abuts on the abutment shoulder in a first longitudinal direction and is slideable within the opening in a second longitudinal direction opposite to the first direction, when the anchorage socket is moved towards the support socket for tuning the cable anchorage system.
The present invention relates to a hybrid pipe (1) for stay cable, comprising a tubular shaped wall (15), the wall having an internal face (18) and an external face (19). The hybrid pipe (1) further comprises at least one reinforcing element (12, 22), the reinforcing element (12, 22) being provided at the wall (15) to form the hybrid pipe (1) such that the hybrid pipe (1) has a higher mechanical properties/resistance such as higher buckling resistance, higher tensile strength and/or a lower thermal dilatation than the wall (15) itself. The present invention also relates to a cable-stayed system comprising such a hybrid pipe (1) and a method of manufacturing such a hybrid pipe (1).
F16L 3/26 - Supports pour tuyaux, pour câbles ou pour conduits de protection, p. ex. potences, pattes de fixation, attaches, brides, colliers spécialement adaptés pour le support des tuyaux sur toute leur longueur, p. ex. chenal ou conduite de tuyaux
E01D 19/16 - Câbles de suspensionPinces de câbles pour câbles de suspension
D07B 1/14 - Cordes ou câbles avec éléments auxiliaires incorporés, p. ex. pour marquage, s'étendant sur toute la longueur de la corde ou du câble
D07B 1/16 - Cordes ou câbles avec gaine enveloppante ou incrustations en caoutchouc ou matière plastique
F16L 3/12 - Supports pour tuyaux, pour câbles ou pour conduits de protection, p. ex. potences, pattes de fixation, attaches, brides, colliers entourant pratiquement le tuyau, le câble ou le conduit de protection comportant un élément entourant pratiquement le tuyau, le câble ou le conduit de protection
H02G 3/04 - Tubes ou conduits de protection, p. ex. échelles à câbles ou goulottes de câblage
13.
A PIPE AND A METHOD FOR STAY CABLE PROVIDED WITH STRESSING MEANS
Present invention relates to a pipe (5) for stay cable and a method for tightening the pipe (5) using stressing means (10). The pipe (5) comprises a tubular shaped wall having an interior and an exterior surface, wherein stressing means (10) are provided to the exterior surface of the tubular shaped wall of the pipe (5), wherein the stressing means (10) are configured in a way to exert a compression force around the tubular shape wall of the pipe (5) longitudinally.
Present invention relates to a pipe (5) for stay cable and a method for tightening the pipe (5) using stressing means (10). The pipe (5) comprises a tubular shaped wall having an interior and an exterior surface, wherein stressing means (10) are provided to the exterior surface of the tubular shaped wall of the pipe (5), wherein the stressing means (10) are configured in a way to exert a compression force around the tubular shape wall of the pipe (5) longitudinally.
The present invention concerns a cable anchorage comprising at least one axial channel for accommodating an elongated element with a sheathed portion and an unsheathed end portion, wherein the channel between a first channel end, proximal to a running part of the elongated element, and a second channel end equipped with immobilising device, a seal element in the channel, a stop element having an end facing said seal element which defines a shoulder, so that an axial displacement of the of the elongated element with respect to the stop element in said channel is possible up to the abutment of the end of the sheathed portion against the shoulder, creating thereby an abutment position of the elongated element in said channel.
E01D 19/14 - ToursAncragesSellettes de support de câbles
E01D 19/16 - Câbles de suspensionPinces de câbles pour câbles de suspension
E04B 1/22 - Structures comportant des éléments porteurs allongés, p. ex. colonnes, poutres, ossatures les pièces porteuses étant en béton, p. ex. en béton armé, ou en un autre matériau pierreux les pièces étant précontraintes
There is proposed an assembly (100) and a method for lifting, lowering and installing load elements (10), such as from a base region of a construction, in particular a habitable building, to a predetermined region of the construction and vice versa, wherein the load elements (10) are stacked up on top of each other and/or are arranged side by side to one another, forming a partially- or fully completed construction, the assembly (100) comprising: - lifting means (30) having a load engaging element (20) for carrying the load element (10) substantially vertically, wherein the lifting means (30) is configured to lift up and down the load engaging element (20) from the base region of the construction to a predetermined height of the construction, - shifting means (40) capable of transporting back and forth the load element (10) substantially horizontally, from the load engaging element (20) to the predetermined region of the construction, wherein the shifting means (40) with or without the load element (10) are supported by the partially- or fully completed construction (10') or together with the lifting means (30), - adjusting means (50) for a final positional adjustment of the load element (10).
B66C 23/20 - Installations comportant essentiellement un palonnier, une flèche ou une structure triangulaire agissant comme bras de levier, montées de façon à permettre des mouvements de translation ou d'orientation dans des plans verticaux ou horizontaux, ou bien une combinaison de ces mouvements, p. ex. grues à flèche, derricks ou grues sur tours spécialement adaptées pour être utilisées dans des emplacements particuliers ou à des usages particuliers avec couples d'appui assurés par des murs de bâtiments ou de constructions similaires
09 - Appareils et instruments scientifiques et électriques
Produits et services
Measuring and electronic controlling apparatus, namely, measuring and electronic controlling apparatus used to assess and monitor volume, voids, steel passivating properties; measurement apparatus in the nature of sensors, namely, mechanical, optical, electrical, induction, electro-magnetic, impact, radar, sound sensors, other than for medical use; computers and downloadable computer software for use in operating and monitoring machinery
The invention relates to a multi-layered pipe (1) for structural cable, a system and a method thereof, comprising a tubular shaped wall (25), the pipe (1) comprises at least a first layer (10) and a second layer (20), wherein the first layer (10) has a thermal resistance higher than the second layer (20), wherein the pipe (1) further comprises at least one heat-generated heating element (30). The present invention combines a passive and an active ice and snow removal system in order to remove ice and snow accreted on structural cables in a cost- effective and efficient manner while minimal consumption of energy is required.
Method for installing a stay cable between a first connection point and second connection point of a construction comprising the following steps: pulling a first end of the stay cable (3) to the upper fixing point (1); fixing the first end of the stay cable in the fixing device (1); wherein the installation position of the fixing device (1) is changed from a first position to a second position after the first end of the stay cable pulled at least partly to the first connection point and/or after the first end of the stay cable is fixed to the fixing device.
The present invention relates to a hybrid pipe (1) for stay cable, comprising a tubular shaped wall (15), the wall having an internal face (18) and an external face (19). The hybrid pipe (1) further comprises at least one reinforcing element (12, 22), the reinforcing element (12, 22) being provided at the wall (15) to form the hybrid pipe (1) such that the hybrid pipe (1) has a higher mechanical properties/ resistance such as higher buckling resistance, higher tensile strength and/or a lower thermal dilatation than the wall (15) itself. The present invention also relates to a cable-stayed system comprising such a hybrid pipe (1) and a method of manufacturing such a hybrid pipe (1).
The present invention concerns a cable anchorage comprising at least one axial channel (6) for accommodating an elongated element (5) with a sheathed portion (5a) and an unsheathed end portion (5b), wherein the channel (6) between a first channel end (3), proximal to a running part of the elongated element, and a second channel end (1) equipped with immobilising device (12), a seal element (26) in the channel (6), a stop element (9) having an end facing said seal element (26) which defines a shoulder (9a), so that an axial displacement of the of the elongated element (5) with respect to the stop element (9) in said channel (6) is possible up to the abutment of the end of the sheathed portion (5a) against the shoulder (9a), creating thereby an abutment position of the elongated element (5) in said channel (6).
E01D 19/14 - ToursAncragesSellettes de support de câbles
E01D 19/16 - Câbles de suspensionPinces de câbles pour câbles de suspension
E04B 1/22 - Structures comportant des éléments porteurs allongés, p. ex. colonnes, poutres, ossatures les pièces porteuses étant en béton, p. ex. en béton armé, ou en un autre matériau pierreux les pièces étant précontraintes
There is provided a cable anchorage system for anchoring a cable to a support structure comprising an anchorage socket attached to the cable, a support socket attached to the support structure and a longitudinal coupling rod coupling the anchorage socket to the support socket, wherein the coupling rod comprises a threaded end, which interacts with a counter thread on one of the two parts which are the anchorage socket and the support socket, and a mounting end with a radially extending rod shoulder, the other one of the two parts comprises a longitudinal opening for receiving the mounting end of the coupling rod, which opening comprises an inwardly extending abutment shoulder, wherein the rod shoulder abuts on the abutment shoulder in a first longitudinal direction and is slideable within the opening in a second longitudinal direction opposite to the first direction.
A cable anchorage system for anchoring a cable (3) to a support structure (1) in a civil engineering construction comprises an anchorage socket (4) attached to the cable (3), a support socket (20) attached to the support structure (1) and a longitudinal coupling rod (10), which couples the anchorage socket (4) to the support socket (20). The coupling rod (10) comprises a threaded end (10a), which interacts with a counter thread (4a) on one of the two parts which are the anchorage socket (4) and the support socket (20), and a mounting end (10b) with a radially extending rod shoulder (10d). The other one of the two parts which are the anchorage socket (4) and the support socket (20) comprises a longitudinal opening (5) for receiving the mounting end (10b) of the coupling rod (10), which opening (5) comprises an inwardly extending abutment shoulder (20a). The rod shoulder (10d) abuts on the abutment shoulder (20a) in a first longitudinal direction and is slideable within the opening (5) in a second longitudinal direction opposite to the first direction, when the anchorage socket is moved towards the support socket for tuning the cable anchorage system.
The invention concerns a cylindrical thermal protection sheath for covering a length of an elongated structural element, comprising a sandwich-like composite insulation system which has a thermal conductivity lower or equal to 0.11 W/m.° C. at 800° C. and a thickness lower than 50 millimeters.
B32B 5/26 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par la présence de plusieurs couches qui comportent des fibres, filaments, grains ou poudre, ou qui sont sous forme de mousse ou essentiellement poreuses une des couches étant fibreuse ou filamenteuse un autre couche également étant fibreuse ou filamenteuse
E01D 19/16 - Câbles de suspensionPinces de câbles pour câbles de suspension
E01D 19/14 - ToursAncragesSellettes de support de câbles
The invention concerns a cylindrical thermal protection sheath (1, 60) for covering a length of an elongated structural element (50), comprising a sandwich-like composite insulation system (10, 12, 16, 18, 20) which has a thermal conductivity lower or equal to 0.11 W/m.°C at 800°C and a thickness lower than 50 millimeters.
The invention relates to anchorage assembly (20), comprising a tendon (10) made of strands (12), a first part (C) with the strands (12) passed through individual perforations of an anchor head (30), a second part (B) with an intermediate portion of the tendon (10) placed within a first tubular member (24) able to receive a removable protective product (38). The strands (12) have said end portion passed through on one hand an opening (27) formed in a bearing plate (26) disposed within the structure (42), and on the other hand said individual perforations of said anchor head (30) which is placed outside of the front face (40) of the structure (42), wherein the anchor head (30) has an outside diameter (D5) smaller than the diameter (D4) of said opening (27) of the bearing plate (26), wherein it further comprises a removable locking system (32) interposed between said anchor head (30) and said bearing plate (26), the presence of the locking system (32) preventing thereby the anchor head (30) to enter said opening (27) and said second tubular member (24) outlet.
According to the present invention there is provided a saddle (1) for a suspended structure, the saddle (1) comprising one or more support surfaces (2) on each of which a strand (90), which suspends a supported element of a suspended structure, can rest, wherein the, or each, support surface (2) is configured such that it has a central portion (3), and flanking portions (4a, b) on opposite sides of the central portion (3), wherein both the central portion (3) and flanking portions (4a,b) of the support surface (2) are configured such that they can simultaneously support said cable; wherein the radius of curvature (r, R) of said support surface (2) in a plane in which said strand (90) is included increases from the central portion (3) to both flanking portions (4a, b). There is further provided methods of manufacturing such a saddle.
A friction damping device (100) for damping relative movements between a first structural element and a second structural element of a construction, comprising: —a first damping system (110) for damping a first relative movement component and having a first friction surface (111) and a second friction surface (112), —a second damping system (120) for damping a second relative movement component and having a third friction element (121) and a fourth friction element (122). The first friction surface and the second friction surface of the first and the second damping system form a frictional engagement. The first damping system (110) and the second damping system (120) are placed in series.
A cable anchorage is described for anchoring a cable, for example a stay cable comprising multiple strands (50), against an axial tension force. Each strand (50) is individually sealed in an individual channel (6) of the anchorage against moisture ingress, and each strand (50) may be removed and replaced individually. A tight-fitting elastic annular seal (26) is fitted into a recess (27) in the channel. The annular seal (26) is inserted from the anchor block end (1) of the anchorage.
A cable anchorage anchors a cable, for example a stay cable having multiple strands (50), against a longitudinal tension force. The anchor block (11) of the anchorage includes multiple channels, through which the strands (50) are individually threaded. Once in position and tensioned, the space around the strands (50) in the anchor block (11) is injected with a liquid, such as a polyurethane, which subsequently sets to form a tough elastic bedding material (51) within the anchor block (11). The elastic bedding material (51) has a durometer at 23° C. in the range 10 to 70 Shore, so as to form bedding cushion extending substantially around the strand (50) in the strand-channel (6) along a bedding region (54) of strand-channel (6), the bedding cushion reducing the bending stresses in the strand (50) by absorbing bending stresses along the bedding region (54).
The invention concerns a method of grouting post-tensioned tendons (10) and associated anchorages (21, 22) in a pre-stressed concrete (PC) structure (20), said tendons (10, 101 -106) comprising a tendon inlet (11) and a tendon outlet (12), comprising the following steps: - injecting grout in a tensioned tendon (10) in a first injection step, between said tendon inlet (11) and said tendon outlet (12) at least until grout has reached said tendon outlet (12), -connecting said tendon outlet (12) to said tendon inlet (11), forming thereby a closed grout injection loop, and - injecting grout in said tendon in a second injection step by circulating said grout in said closed grout injection loop. A three-way valve (60) is used to direct the grout coming from the tendon outlet (12) either to a waste reservoir (38) during said first injection step or to a tendon inlet (11) during said second injection step.
E04G 21/12 - Montage d'éléments d'armatureApplication de la précontrainte
B28B 23/04 - Aménagements spécialement adaptés à la fabrication d'objets façonnés avec des éléments complètement ou partiellement enrobés dans le matériau de moulage dans lesquels les éléments enrobés sont des renforcements les éléments enrobés étant sous tension
A hydromill wheel (5) for excavating a trench in hard rock includes a drum (4) arranged to be rotated about its axis (A, B). The wheel (4) further includes a plurality of single disc cutters (11) mounted on the periphery of the drum (5), the single disc cutter (11) having a rotatable single cutting disc (11) arranged to come in contact with and crush the rock during excavation. The spacing of the projection of at least some of the cutting discs (11) on the drum axis (A, B) is 20% to 70% of the cutting disc diameter.
E02F 3/20 - DraguesEngins de terrassement entraînés mécaniquement avec des roues excavatrices tournant autour d'un axe et outils qui ne font qu'ameublir la terre
E02F 3/24 - Roues excavatricesÉléments excavateurs des rouesEntraînement des roues
E02F 5/08 - Dragues ou engins de terrassement à usages particuliers pour creuser des tranchées ou fossés avec des roues excavatrices tournant autour d'un axe
E21B 10/50 - Trépans caractérisés par des parties résistant à l'usure, p. ex. des diamants rapportés le trépan étant du type à organes coupants roulants
E02F 3/92 - Éléments de creusement, p. ex. crépines d'aspiration
The present invention suggests an at least partially removable anchor device (1;13) that comprises at least one tension member (4) or a plurality of tension members (4) and one or several induction generating devices (2). The induction generating device (2) is arranged directly adjacent to said tensioning member (4) or tension members (4).
The invention relates to a friction damping device (100) for damping relative movements between a first structural element and a second structural element of a construction, comprising: - a first damping system (110) for damping a first relative movement component and having a first friction surface (111) and a second friction surface (112), - a second damping system (120) for damping a second relative movement component and having a third friction element (121) and a fourth friction element (122). The first friction surface and the second friction surface of the first and the second damping system form a frictional engagement. The first damping system (110) and the second damping system (120) are placed in series.
The invention relates to a friction damping device (100) for damping relative movements between a first structural element and a second structural element of a construction, comprising: - a first damping system (110) for damping a first relative movement component and having a first friction surface (111) and a second friction surface (112), - a second damping system (120) for damping a second relative movement component and having a third friction element (121) and a fourth friction element (122). The first friction surface and the second friction surface of the first and the second damping system form a frictional engagement. The first damping system (110) and the second damping system (120) are placed in series.
The invention relates to a damping device (100) for damping relative movements between a stay and a structural element of a civil engineering construction, comprising: - a viscoelastic first damping system (110) for damping a first relative movement component, - a second damping system (120) in series with the viscoelastic first damping system and for damping a second relative movement component.
F16F 7/08 - Amortisseurs de vibrationsAmortisseurs de chocs avec surfaces de friction à déplacement rectiligne l'une le long de l'autre
E01D 19/16 - Câbles de suspensionPinces de câbles pour câbles de suspension
F16F 7/09 - Amortisseurs de vibrationsAmortisseurs de chocs avec surfaces de friction à déplacement rectiligne l'une le long de l'autre dans des amortisseurs du type cylindre-piston
37.
Construction and a tension element comprising a cable and one or more strakes
The invention provides a construction comprising a structural element and at least one cable (101) arranged in tension to carry at least a part of the weight of the structural element. The cable defines an outer surface (102) onto which at least one strake (104) forms a protrusion for reducing rain and wind induced vibrations. The strake has a height being a distance from a strake root part connected to the outer surface of the cable and a strake end part terminating the strake outwards away from the cable, and the strake has a width being transverse to the height, the width decreasing in the direction from the strake root part towards the strake end part. The height is less than 5 percent of the diameter of the cable. Furthermore, the strake comprises a first strake surface portion facing away from the cable, which first strake surface portion is concave or straight.
The invention provides a construction comprising a structural element and at least one cable (100) arranged in tension to carry at least a part of the weight of the structural element. The cable defines an outer surface (102) onto which a plurality of strakes (104) form protrusions for reducing rain and wind induced vibrations. Each strake has a height being a distance from a strake root part connected to the outer surface of the cable and a strake end part terminating the strake outwards form the cable, a width being transverse to the height, and a length transverse to the height and width and along which length the strake is connected to the cable. The length of each strake is shorter than the circumference of the outer surface, and the height is less than 5 percent of the diameter of the cable.
The present invention relates to an assembly (20) for lifting a load element (11, 12, 1A, 1B, 15) from a base region of a construction (1), in particular a tower of a wind turbine, to another region of the construction (1), and/or for lowering the load element (11, 12, 1A, 1B, 15) from said other region of the construction (1) to the base region of the construction (1), the assembly comprising: a platform element (20A) for supporting the load element (11, 12, A, 1B, 15); lifting means for lifting the platform element (20A) from the base region of the construction (1) to said other region of the construction (1) and/or for lowering the platform element (20A) from said other region of the 10 construction (1) to the base region of the construction (1); and a shifting element (27) arranged to be able to change its position with respect to the platform element (20A) in order to move the load element (11, 12, 1A, 1B, 15) in said other region of the construction (1) from a load lifting position on the platform element (20A) to a load installation position on the construction (1), wherein the lifting means are supported by an anchoring assembly (2) able to be secured in the top region of the construction (1) and in that, in the load installation position, the platform element (20A) is disposed at least partly below the top of the construction (1). At the same time, the present invention also relates to a corresponding lifting and/or lowering method.
B66C 23/18 - Installations comportant essentiellement un palonnier, une flèche ou une structure triangulaire agissant comme bras de levier, montées de façon à permettre des mouvements de translation ou d'orientation dans des plans verticaux ou horizontaux, ou bien une combinaison de ces mouvements, p. ex. grues à flèche, derricks ou grues sur tours spécialement adaptées pour être utilisées dans des emplacements particuliers ou à des usages particuliers
F03D 1/00 - Mécanismes moteurs à vent avec axe de rotation sensiblement parallèle au flux d'air pénétrant dans le rotor
B66C 1/10 - Éléments ou dispositifs de prise de la charge adjoints aux mécanismes de levage, de descente ou de halage, ou adaptés pour être utilisés avec ces mécanismes et transmettant les efforts à des articles ou à des groupes d'articles par moyens mécaniques
A cable anchorage is described for anchoring a cable, for example a stay cable comprising multiple strands (50), against an axial tension force. Each strand (50) is individually sealed in an individual channel (6) of the anchorage against moisture ingress, and each strand (50) may be removed and replaced individually. A tight-fitting elastic annular seal (26) is fitted into a recess (27) in the channel. The annular seal (26) is inserted from the anchor block end (1) of the anchorage.
A cable anchorage is described for anchoring a cable, for example a stay cable comprising multiple strands (50), against a longitudinal tension force. The anchor block (11) of the anchorage comprises multiple channels, through which the strands (50) are individually threaded. Once in position and tensioned, the space around the strands (50) in the anchor block (11) is injected with a liquid, such as a polyurethane, which subsequently sets to form a tough elastic bedding material (51) within the anchor block (11). According to the invention, said elastic bedding material (51) has a durometer at 23°C in the range 10 to 70 Shore, so as to form a bedding cushion extending substantially around the strand (50) in the strand-channel (6) along a bedding region (54) of strand-channel (6), said bedding cushion reducing the bending stresses in the strand (50) by absorbing bending stresses along said bedding region (54).
A cable anchorage is described for anchoring a cable, for example a stay cable comprising multiple strands 50, against an axial tension force. Each strand 50 is individually sealed in an individual channel 6 of the anchorage against moisture ingress, and each strand 50 may be removed and replaced individually. A tight-fitting elastic annular seal 26 is fitted into a recess 27 in the channel. The annular seal 26 is inserted from the anchor block end 1 of the anchorage.
A cable anchorage is described for anchoring a cable, for example a stay cable comprising multiple strands (50), against a longitudinal tension force. The anchor block (11) of the anchorage comprises multiple channels, through which the strands (50) are individually threaded. Once in position and tensioned, the space around the strands (50) in the anchor block (11) is injected with a liquid, such as a polyurethane, which subsequently sets to form a tough elastic bedding material (51) within the anchor block (11). According to the invention, said elastic bedding material (51) has a durometer at 23°C in the range 10 to 70 Shore, so as to form a bedding cushion extending substantially around the strand (50) in the strand-channel (6) along a bedding region (54) of strand-channel (6), said bedding cushion reducing the bending stresses in the strand (50) by absorbing bending stresses along said bedding region (54).
A cable anchorage is described for anchoring a cable, for example a stay cable comprising multiple strands (50), against an axial tension force. Each strand (50) is individually sealed in an individual channel (6) of the anchorage against moisture ingress, and each strand (50) may be removed and replaced individually. A tight-fitting elastic annular seal (26) is fitted into a recess (27) in the channel. The annular seal (26) is inserted from the anchor block end (1) of the anchorage.
The present invention concerns a hydromill wheel (5) for excavating a trench in hard rock. The wheel comprises a drum (4) arranged to be rotated about its axis (A, B). The wheel (4) further comprises a plurality of single disc cutters (11) mounted on the periphery of the drum (5), the single disc cutter (11) having a rotatable single cutting disc (11) arranged to come in contact with and crush the rock during excavation. The spacing of the projection of at least some of the cutting discs (11) on the drum axis (A, B) is 20 % to 70 % of the cutting disc diameter.
E02F 3/20 - DraguesEngins de terrassement entraînés mécaniquement avec des roues excavatrices tournant autour d'un axe et outils qui ne font qu'ameublir la terre
E02D 17/13 - Fouilles de fondationsOutillage pour faire ces fouilles
E02F 3/24 - Roues excavatricesÉléments excavateurs des rouesEntraînement des roues
E02F 5/08 - Dragues ou engins de terrassement à usages particuliers pour creuser des tranchées ou fossés avec des roues excavatrices tournant autour d'un axe
E21B 10/50 - Trépans caractérisés par des parties résistant à l'usure, p. ex. des diamants rapportés le trépan étant du type à organes coupants roulants
The present invention concerns a lifting frame apparatus arranged to be mounted on top of a tower (1) to lift heavy loads on to the top of the tower (1). The lifting frame apparatus comprises a lifting frame (3) comprising (a) fastening means for mechanically securing the base (5) of the lifting frame (3) to the top of the tower (1); and (b) a lifting platform (9) to accommodate a load lifting apparatus (15), the lifting platform (9) being elevated with respect to the base (5) and supported by supporting means (11). The lifting frame apparatus further comprises cables (7) for stabilising the lifting frame (3) when in place on top of the tower (1), the cables (7) being arranged to be tensioned and at least one cable (7) being arranged to be connected between the lifting frame (3) and another point on opposing sides of the tower (1).
The present invention concerns a method of installing a reinforcement strip in a compacted fill retained by facing element together with the reinforcement strip extending between an anchorage zone and the wall. The anchorage zone is located away from the facing element and separated from the facing element. The method comprises: a) installing (503) the reinforcement strip in the fill by feeding the strip from a first location in the anchorage zone to the wall and looping the strip through a wall connection point back to a second location in the anchorage zone; b) tensioning (513) the strip by pulling the strip to a predetermined tension at the first location and at the second location; and c) anchoring (515) the strip to the fill at the first location and at the second location while keeping the strip under tension.
Void former assembly for casting facing elements (1) for reinforced earth. Anchoring recesses (2) are cast into its rear face (5) so that earth- reinforcing strips can be looped through. The anchoring recesses (2) are each formed as a loop channel (10) having a convex inner surface and a concave outer surface, at least one of which has a radius of curvature which increases from the deepest part of the recess (2) towards the rear face (5). A removable void former assembly and method for casting such facing elements (1) are also described. Because of the varying radius of curvature of the surfaces of the channel, and the rotational and translational withdrawal path of the void formers, the channel (10) can be cast deeper, and with openings (3, 4) which are closer together, than has hitherto been possible using removable void formers.
The present invention concerns a method and system for building a gravel column in soil for consolidating the soil by using a soil improvement system. The system comprises a reservoir (101) connected to a gravel transferring means (105, 115) leading to the soil. The gravel is arranged to be transferred from the reservoir (101) to the soil by using liquid as a transfer medium
VIBRO EQUIPMENT OF PARTS FAR EAST CO. (Philippines)
Inventeur(s)
Haye, Olivier
Carton, Ian Howard
Abrégé
The present invention concerns a method and system for building a gravel column in soil for consolidating the soil by using a soil improvement system. The system comprises a reservoir (101) connected by a first pipe (105) to a separation hopper (107), and means for feeding (111, 115) the gravel to the soil. The gravel is arranged to be transferred from the reservoir (101) to the separation hopper (107) by using liquid as a transfer medium, and the separation hopper (107) comprises means to separate at least some liquid from the gravel.
A crane apparatus and method are described for lifting a heavy load such as a wind-turbine generator unit 46 on to a wind-turbine tower 1. The crane is designed to climb up cables 3 attached to the top of the tower, carrying with it the cables 45 and lifting gear 31 which will be required for the main lifting operation. The crane comprises a pair of jib-frames 20 with boom arms 26, 27 which can be retracted during lifting and then deployed to a pivotable, loadbearing position once the crane is mounted at the top of the tower 1. Hydraulic strand jacks 31 and heavy-duty strands 45 are preferably used for the heavy lifting. In a preparation step, a load-bearing bracket assembly 13, 14, to which the jib-frames 20 will be secured, is hoisted up and fitted to the top of the tower 1. Once the lifting operations are complete, the crane assembly and the bracket assembly 13, 14 are lowered from the tower 1 and removed from site.
B66C 23/20 - Installations comportant essentiellement un palonnier, une flèche ou une structure triangulaire agissant comme bras de levier, montées de façon à permettre des mouvements de translation ou d'orientation dans des plans verticaux ou horizontaux, ou bien une combinaison de ces mouvements, p. ex. grues à flèche, derricks ou grues sur tours spécialement adaptées pour être utilisées dans des emplacements particuliers ou à des usages particuliers avec couples d'appui assurés par des murs de bâtiments ou de constructions similaires
The present invention relates to a sealing arrangement (202) for a building element comprising tension members. The sealing arrangement (202) is arranged to seal off an internal part of the building element. The sealing arrangement (202) comprises: (a) a first pressing element (500) of rigid material; (b) a transition pad (501) of deformable material; (c) a sealing pad (503) of elastic material; and (d) a second pressing element (505; 507) comprising a rigid layer (507) for pressing the transition pad (501) and the sealing pad (503) against the first pressing element (500). The transition pad (501), the sealing pad (503) and the second pressing element (505; 507) are provided with holes for the tension elements to pass through. When operationally in place, the first pressing element (500), the transition pad (501), the sealing pad (503) and the second pressing element (505; 507) are pressed together.
The present invention concerns a tension member feeding device (101) for feeding a tension member (105) into a channel (103) in a construction element. The feeding device (101) comprises: tension member feeding means (107) and resistance detection means (109). The feeding device (101) is arranged to stop feeding of the tension member (105) once the resistance detection means (109) detects that the tension member meets a given resistance.
The present invention relates to a strand guiding device that comprises a curved body having a first end and a second end. The strand guiding device further comprises at least one channel extending from the first end to the second end inside the strand guiding device, the channel being arranged to be traversed longitudinally by a strand of a cable, and further arranged to hold the strand in place when under tension. The body of the guiding device is filled with a protective material for protecting the strand from corrosion and allowing later removal of the strand.
b). The polymeric material preferably includes a dispersed lubricant. The use of low friction polymers results in a constant damping which is effective over a broad range of displacements and forces.
A method is described for threading a tendon (2) into a duct (4) from an opening at an intermediate point along the length of the duct (4). Opposite ends (2a, 2b) of the tendon (2) are threaded from a reel (6) into the two halves (4a, 4b) of the duct (4). The tendon (2) is wound on to the reel (6) such that both ends (2a, 2b) of the tendon (2) can be unwound into the duct (4) simultaneously. A reel (6) and a method for winding the tendon (2) on to the reel (6) are also claimed. The method and reel are particularly suitable for threading coated steel tendons into PT ducts in tall structures such as containment vessels.
An adjustable Formwork climber apparatus (10) is described which may be used for casting walls having an overhanging portion. The climber is used for supporting both vertical and horizontal formwork on the same supporting brackets. Adjustment mechanisms are provided for positioning or tilting the vertical and horizontal formwork. The adjustable formwork climber can be used both for casting continuous vertical structures, and for structures having an overhanging or protruding portion such as a ring-beam.
E04G 11/28 - Coffrages montants, c.-à-d. coffrages qui ne sont pas en contact, pendant qu'on les élève de couche en couche, avec le béton versé
E04G 13/06 - Faux œuvres, coffres ou coffrages pour parties particulières des bâtiments, p. ex. escaliers, marches, corniches ou balcons pour escaliers, marches, corniches, balcons ou autres parties en encorbellement par rapport au mur
The present invention concerns a plastic duct (103) for a prestressing tendon (105). The material of the duct (103) contains at least one volatile migratory corrosion inhibiting agent arranged to be emitted out of the plastic duct (103). The present invention also relates to a method for producing such a duct (103) and to a construction element comprising such a duct (103). The volatile and/or migratory corrosion inhibiting agent provides corrosion protection for the prestressing tendon (105).
C23F 11/02 - Inhibition de la corrosion de matériaux métalliques par application d'inhibiteurs sur la surface menacée par la corrosion ou par addition d'inhibiteurs à l'agent corrosif dans l'air ou les gaz par addition d'inhibiteurs en phase vapeur
59.
METHOD AND ASSEMBLY FOR CONSTRUCTING A DIAPHRAGM WALL
A method is disclosed for constructing a diaphragm wall by casting alternate primary (10, 11) and secondary (20) panels in the ground. The primary panels (10, 11) are excavated and cast first, and a cutter joint (15) or similar jointing profile is then milled into the side faces of the primary panels (10, 11) before casting the secondary panels (10). The primary panel casting regions are prepared for casting by positioning sacrificial displacement elements (31) in the regions where joint milling is to be performed. The sacrificial displacement elements (31) may be hollow elements or blocks of relatively easily millable material such as lightweight concrete. Primary panels (10, 11) cast in this way can be milled more easily, and particularly when the milling tool is at an angle to the surface being milled.
A method, system and device are disclosed which enable fluid flow for underfloor heating and the like to be implemented using post-tensioning (PT) ducts which are normally only used for enclosing and protecting post- tensioning cables. In a pre-stressed concrete structure (1), the PT ducting (2) is used as a conduit for utility fluids in addition to guiding and protecting the PT tendons (3). A variant is also disclosed which uses the PT ducting (2) to distribute firefighting fluids throughout a building. The system may be used for buildings, roads, bridges, runways, or any post-tensioned structure which requires fluid to be conveyed from one part of the structure (1) to another.
The present invention relates to a sealing arrangement (202) for a building element comprising tension members. The sealing arrangement (202) is arranged to seal off an internal part of the building element. The sealing arrangement (202) comprises: (a) a first pressing element (500) of rigid material; (b) a transition pad (501) of deformable material; (c) a sealing pad (503) of elastic material; and (d) a second pressing element (505; 507) comprising a rigid layer (507) for pressing the transition pad (501) and the sealing pad (503) against the first pressing element (500). The transition pad (501), the sealing pad (503) and the second pressing element (505; 507) are provided with holes for the tension elements to pass through. When operationally in place, the first pressing element (500), the transition pad (501), the sealing pad (503) and the second pressing element (505; 507) are pressed together.
Strand guiding device that comprises a curved body (201 ) having a first end and a second end. The strand guiding device further comprises at least one channel extending from the first end to the second end inside the strand guiding device, the channel being arranged to be traversed longitudinally by a strand (301 ) of a cable, and further arranged to hold the strand (301 ) in place when under tension. The body (201 ) of the guiding device is filled with a protective material for protecting the strand (301 ) from corrosion and allowing later removal of the strand (301 ).
The present invention concerns a method of producing a strand (2) comprising wires (3) twisted together. The wires (3) are individually coated with a protective anti-corrosive barrier film containing a volatile migratory corrosion inhibitor (VMCI). The individually coated wires may then be enclosed in a protective sheath (4), and the spaces (6) between the sheath (4) and the wires (3) may filled with a corrosion-inhibiting filler substance (7). The sheath (4) and/or the corrosion-inhibiting filler substance (7) may also contain a volatile corrosion-inhibiting agent.
D07B 7/18 - Appareillage auxiliaire pour étaler les cordes ou les câbles ou les détordre en leurs éléments constitutifs aux fins de traitement ou d'épissure
D07B 1/06 - Cordes ou câbles de fils métalliques, p. ex. de fil métallique profilé autour d'un noyau de chanvre
E04C 5/01 - Éléments d'armature en métal, p. ex. avec des revêtements rapportés
D07B 1/14 - Cordes ou câbles avec éléments auxiliaires incorporés, p. ex. pour marquage, s'étendant sur toute la longueur de la corde ou du câble
D07B 1/16 - Cordes ou câbles avec gaine enveloppante ou incrustations en caoutchouc ou matière plastique
64.
METHOD AND SYSTEM FOR EQUALLY TENSIONING MULTIPLE STRANDS
A method and system are described for tensioning structural strands (1) of a tendon in a duct. Each strand (1) is fitted with its own load cell (22), so that the individual tension values in each individual strand (1) can be measured during the tensioning of the strands (1). The load cells (22) may be removed after tensioning, or left in situ to enable ongoing monitoring of the tension in the strands (1). The load cells (22) may be calibrated simultaneously by tensioning the strands (1) to an equal tension using individual jacks (10), then normalizing the signals from each load cell (22) to the known equal tension value. A further calibration to a global strand load measurement may also be performed.
A method and a device for damping relative motion between structural elements (4a, 4b, 5), and in particular for damping oscillations in a stay cable of a building or a civil engineering structure. A damping device is disclosed which provides motion damping by means of fhctional engagement (1a, 1b) between friction surfaces composed of low-friction polymeric material (2a, 2b, 3a, 3b). The polymeric material preferably includes a dispersed lubricant. The use of low friction polymers results in a constant damping which is effective over a broad range of displacements and forces.
The subject matter disclosed herein relates to methods, systems and apparatuses for segmental duct couplers for use during and after formation of concrete segments. Segmental duct coupling systems can include a number of components for coupling ducts both during and after formation of the concrete segments. In one aspect, the coupling system can include a locking member and forming member disposed between coupling ends of segmental ducts. In another aspect, a coupling system can include a deformable member disposed between coupling ends of ducts cast within pre-cast and match-cast concrete segments.
F16L 21/02 - Raccords avec manchon ou douille avec segments d'étanchéité élastiques entre le tuyau et le manchon ou entre le tuyau et la douille, p. ex. avec des segments roulants ou autres segments profilés préfabriqués
67.
METHOD AND STRUCTURE FOR DAMPING MOVEMENT IN BUILDINGS
Damping arrangement for low, medium and high-rise structures (1) using bidirectional damping means (5) such as visco-elastic Gensui damping devices, placed between two parallel elements of the structure (1), such as a core (2) and a perimeter column (3), or between two cores. Oscillatory or other flexural or shear deformations of the structure (1) are damped by damping axial movements between the two elements (2, 3), and simultaneously damping orthogonal movements between the two elements (2, 3). Outriggers (6, 7, 8) are used to enhance the axial damping moment, and the bidirectional damping means (5) may be installed in pairs, working in opposition to each other to damp dynamic shear or flexural forces in the orthogonal plane.
E04H 9/02 - Bâtiments, groupes de bâtiments ou abris conçus pour résister à des situations extérieures anormales, p. ex. à des bombardements, à des séismes ou à des climats extrêmes, ou pour se protéger de ces situations résistant aux séismes ou à l'effondrement du sol
37 - Services de construction; extraction minière; installation et réparation
Produits et services
Ball bearings, round bearings and guide rails of metal;
cylindrical guide rails, round bearings and ball bearings of
metal; spherical guide rails, round bearings and ball
bearings of metal; backer boards of metal and dummy sheets;
slider elements of metal; conveyors and guides of metal for
ball bearings, round bearings, and guide rails; slides and
guides of metal; round bearings of metal; anchoring elements
and prestressing equipment of metal; all the aforementioned
goods for use in buildings of concrete, steel and/or
composite and in construction; building materials of metal. Synthetic lubricants for ball bearings, round bearings and
guide rails for use in construction; spherical guide rails,
round bearings and ball bearings of synthetic materials for
use in construction; cylindrical guide rails, round bearings
and ball bearings of synthetic materials for use in
construction; anchoring elements and prestressing equipment
not of metal; building materials, not of metal. Construction; repair and servicing of buildings and
constructions; installation services pertaining to buildings
and constructions.
A method of constructing a tower structure by assembling a set of coaxial telescopic sections (2, 3a, 3b) in position on site and then raising the assembled sections using hydraulic crawler jacks (8) and tendons (5). The telescopic sections are assembled or constructed in situ, starting with the inner section and then each subsequent section around the outside of the previously constructed sections. Each individual tower section may be cast in situ or assembled from multiple pre-fabricated segments. This method permits the construction of very tall structures while obviating the need for very large cranes. It also removes the design constraints on the height of the individual telescopic sections.
E04H 12/12 - Structures faites en matériaux spécifiés en béton ou autre matériau analogue à la pierre, avec ou sans armature interne ou externe, p. ex. avec revêtements métalliques, avec éléments de coffrage permanents
E04H 12/34 - Dispositions pour élever ou abaisser des tours, mâts, poteaux, corps de cheminée ou analogues
An apparatus and method are proposed for incremental casting of concrete cantilever bridge sections (7, 12). The main trusses which form the load-bearing frames (3) of the apparatus are angularly splayed so that they are positioned outwards of the main load bearing webs of the to-be-constructed section (7) of the bridge, while still being supported on the webs of the already-constructed section (12) of the bridge. In this way, the region above and below the construction space is kept free for improved access.
The invention relates to a support construction (1) having at least one support element (2), wherein the support element (2) has at least one hollow space (5) wherein at least one rod (4) is arranged, wherein the total cross-section area of all rods (4) each arranged in a hollow space (5) is smaller than the cross-section area of said hollow space (5) and the remaining volume of the hollow space (5) is filled with a material (6). The rod (4) can be shifted along the longitudinal extension thereof relative to the support element (2) if the support element (2) is deformed, wherein the rod (4) is fastened to only one point in relation to the support element (2) in an immobile manner and designed so that it dissipates energy upon the occurrence of a relative shift to the support element (2).
E01D 19/16 - Câbles de suspensionPinces de câbles pour câbles de suspension
E04B 1/98 - Protection contre d'autres agents indésirables ou dangers contre les vibrations ou les chocsProtection contre d'autres agents indésirables ou dangers contre les destructions mécaniques, p. ex. par les raids aériens
E04H 9/02 - Bâtiments, groupes de bâtiments ou abris conçus pour résister à des situations extérieures anormales, p. ex. à des bombardements, à des séismes ou à des climats extrêmes, ou pour se protéger de ces situations résistant aux séismes ou à l'effondrement du sol
E04H 9/14 - Bâtiments, groupes de bâtiments ou abris conçus pour résister à des situations extérieures anormales, p. ex. à des bombardements, à des séismes ou à des climats extrêmes, ou pour se protéger de ces situations contre d'autres influences dangereuses, p. ex. tornades, crues
72.
Method and sensor for determining the passivating properties of a mixture containing at least two components, which are cement and water
A method for determining the passivating properties of a mixture containing cement and water. Taking three elements that are referred to as first-third electrodes. Fixing at least one electrode on a support such that the electrodes are electrically insulated reciprocally and the mixture is able to come in contact with a face on each electrode. Applying between the first and third electrodes a direct current, referred to as first direct current, of predetermined intensity value and predetermined polarity, resulting in electrolytic reactions on the third electrode for a first duration, and then measuring voltage between the second and third electrodes. Storing the measurement for the variation of said voltage, comparing the variations in the voltage with predetermined data defining at least whether or not a mixture has passivating properties, and determining at least whether or not the mixture has such passivating properties.
A method for determining the passivating properties of a mixture (11) containing at least two components, which are cement and water, including the steps of: - taking three elements, each made up of an electrically conductive material, these elements being referred to as first electrode (2), second electrode (4) and third electrode (5), - fixing at least one these three electrodes on a support (3) in such a manner that • they are electrically insulated reciprocally, and • the mixture (11 ) is able to come in contact with at least one predetermined face situated on each electrode, these faces being referred to as first face (20), second face (40) and third face (50), - selecting the first electrode (2) and the third electrode (5) and applying between these two electrodes, • a direct current, referred to as first direct current, of predetermined intensity value, referred to as first intensity value, and predetermined polarity, referred to as first polarity, resulting in electrolytic reactions on the third electrode (5), for a predetermined duration (D1 ), referred to as first duration, and then - selecting the second electrode (4) and the third electrode (5), and • measuring the voltage (V) between these two electrodes during said first predetermined duration (D1 ), and • storing the measurement for the variation of said voltage (V) during said first predetermined duration (D1 ), - comparing the variations in the voltage (V) between the second electrode (4) and the third electrode (5) during the first predetermined duration (D1 ), with predetermined data defining at least whether or not a mixture (11) has passivating properties, and - determining at least whether or not the mixture (11 ) has such passivating properties.
The invention relates to a corrosion protection system for a stay cable construction including a multiplicity of tension members made of parallel steel tensile elements, extending between a first anchorage and a second anchorage, and comprising two opposite ends, the first end co-operating with the first anchorage and the said second end co-operating with the second anchorage. The corrosion protection system involves the use of tensile elements which are not provided with a permanent corrosion protection during their fabrication. This corrosion protection system includes: a plurality of stay pipes, each freely surrounding a tension member made of unprotected tensile elements, a dehumidification device which produces dry air, supply pipes supplying the dry air to predetermined points situated on the first anchorage, the second anchorage, and the stay pipes, a ventilation device pushes the dry air in the supply pipes, surveying, measuring, controlling and testing facilities.
Guide device (1) for strands (2), the guide device (1) including a body (5) in which a curved channel (6) is provided, including a longitudinal axis (7) curved along the curve of said channel (6) and a first part (8) which, mainly located on the side of the lower surface of the longitudinal axis (7), enables, subject to the length of the channel (6), the strand (2) to be supported on at least one portion of the peripheral surface (10) presented by said strand (2).
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
19 - Matériaux de construction non métalliques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Chemical products used in industry and science, including
chemical products and chemical additives for use in cement
and concrete manufacturing. Nonmetallic building materials, including cementitious
materials for injection for prestressing cables, for anchor
blocks in the ground and for guys; components and additives
(included in this class) for the aforementioned goods. Scientific and industrial research; development and project
elaboration services, services provided by expert advisers
in the fields of construction and civil engineering (on land
and at sea), particularly optimization of grouting
components.
09 - Appareils et instruments scientifiques et électriques
19 - Matériaux de construction non métalliques
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Metallic components for prestressed constructions, including
anchoring, prestressing cables, tension reinforcements and
sheaths, as well as ties used in loose and rocky ground
consisting of tie heads, prestressing cables, tension
reinforcements and anchoring elements; metallic formwork,
including slip formwork and climbing formwork, as well as
formwork used for manufacturing prefabricated components for
concrete construction, for prestressed or non-prestressed
constructions. Equipment for the prestressing technique, namely hydraulic
presses and auxiliary devices related thereto, particularly
pumps, placing devices and devices for greasing rope
strands, stretching prestressed cables and tension
reinforcements; lifting devices, namely hydraulic presses
and auxiliary devices related thereto, particularly pumps
and control mechanisms, for handling (lifting, moving,
lowering) heavy loads; lifting devices, namely hydraulic
presses and auxiliary devices related thereto, particularly
pumps and control mechanisms, for sliding formwork and
climbing formwork; mixers and pumps (injectors) for
injecting prestressed cables and tension reinforcements;
non-manual machines and devices for making anchorings,
prestressing cables, tension reinforcements and transport
mechanisms. Measuring and controlling apparatus used to assess and
monitor loads, movements and tensions in constructions;
remote control devices for handling (lifting, moving,
lowering) heavy loads; remote control devices for slip
formwork and climbing formwork. Non-metallic components of prestressed constructions,
particularly anchoring, prestressing cables and sheaths, as
well as struts and ties for use in loose and rocky ground
consisting of tie heads, prestressing cables and anchorage
elements; non-metallic formwork, including slip formwork and
climbing formwork; prefabricated components for concrete
constructions, as well as non-metallic formwork for
manufacturing prefabricated components for concrete
constructions, for prestressed or non-prestressed
constructions. Inspection of construction projects, carrying out of and
surveillance of construction work (included in this class)
in the area of building and civil engineering (on land and
at sea), particularly for prestressed techniques, ties for
use in loose or rocky ground, revetment walls, formwork
techniques, including slip formwork and climbing formwork,
handling of heavy loads, as well as the assessment and
surveillance of loads, movements and tensions in
constructions; subsequent surveillance of finished
constructions in the area of building and civil engineering,
as well as of technical installations (on land and at sea). Services for the development and establishment of projects
and expert advisers in the area of building and civil
engineering (on land and at sea), particularly for
prestressing techniques, ties used in loose and rocky
ground, revetment walls, formwork techniques, including slip
formwork and climbing formwork, the handling of heavy loads
as well as the assessment and monitoring of loads, movements
and tensions in constructions.
Metallic construction materials, bars, non-electrical
metallic cables and wires, ironmongery, small items of metal
hardware, wire netting designed for holding a panel for
withholding soil, metallic reinforcing materials for
building. Nonmetallic building materials, nonmetallic frameworks for
building.
09 - Appareils et instruments scientifiques et électriques
19 - Matériaux de construction non métalliques
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Metallic components for prestressed constructions, including
anchors, prestressing cables, tensile reinforcements and
jackets as well as tension ties for loose and rocky ground
made up of heads of bracing rods, prestressing cables, of
tensile reinforcements and of routes; metal forms, including
slip formwork and climbing formwork as well as formwork used
for manufacturing prefabricated concrete components for
prestressed or non-prestressed constructions. Equipment for the prestressing technique, notably hydraulic
presses and auxiliary and related devices, particularly
pumps, placing devices and devices for greasing rope
strands, for stretching prestressed cables and traction
truss-frames; lifting devices, namely hydraulic presses and
auxiliary and related devices, particularly pumps used in
the handling (lifting, moving, lowering) of heavy weights;
lifting devices, namely hydraulic presses and auxiliary and
related devices, particularly pumps, for sliding formwork
and climbing formwork; mixers and pumps (injectors) for
injecting prestressed cables and traction truss-frames;
non-manual machines and devices for making anchorings,
prestressed cables, traction truss-frames and means of
transport. Apparatus for measuring and control to determine and to
monitor weights, handling and tension in constructions;
remote control devices for handling (lifting, movement,
lowering) of heavy weights; remote control devices for slip
formwork and climbing formwork. Non-metallic components of prestressed constructions,
particularly anchors, prestressed cables and sheaths, as
well as non-metallic tower struts and non-metallic bracing
rods, for loose and rocky ground made up of heads of bracing
rods, prestressed cables and of anchorage; non-metallic
formwork, including slip formwork and climbing formwork;
prefabricated concrete components for prestressed or
non-prestressed constructions. Inspection of construction projects, carrying out of and
surveillance of work (included in this class) particularly
relating to prestressed techniques, to bracing rods in loose
or rocky ground, to dumpwalls, to formwork techniques,
including slip formwork and climbing formwork and to the
handling of heavy weights; subsequent surveillance of
finished constructions in the area of building and of civil
engineering as well as of technical installations (on land
and at sea). Services for the development and establishment of projects
and of expert-advisers, particularly in the area of
prestressing techniques, of bracing rods used in loose and
rocky ground, to dumpwalls, to formwork techniques,
including slip formwork and climbing formwork, to the
handling of heavy weights and to the determining and
monitoring of weights, movement of weights and of tension in
relation to construction.
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
inspections of construction plans, construction services and supervision services for building and civil constructions (both on and off shore), particularly in the field of post-tensioning techniques, of rock and soil anchors, of retaining walls, of formwork techniques including slipform and climbform techniques, of moving heavy loads and of measuring and checking loads, displacements and stresses in constructions; services consisting of determining, measuring and checking (controlling) loads, displacements and stresses in finished building and civil constructions and maintenance of finished building and civil constructions and of operating equipments (both on and off shore) services consisting of working out technical solutions in the field of building and civil constructions (both on and off shore), project engineering and consultant services for building and civil constructions (both on and off shore), particularly in the field of post-tensioning techniques, of rock and soil anchors, or retaining walls, of formwork techniques including slipform and climbform techniques, of moving heavy loads and of measuring and checking loads, displacements and stresses in constructions
09 - Appareils et instruments scientifiques et électriques
19 - Matériaux de construction non métalliques
Produits et services
elements of prestressed constructions particularly metallic anchorages, tendons, ducts equipment for the post-tensioning techniques, namely hydraulic presses and auxiliary appliances therefor particularly pumps, and gauges for tensioning tendons and stressbars; lifting gears being hydraulic presses and auxiliary appliances therefor particularly pumps for moving (heaving, displacing, sinking) heavy loads; mixers and pumps (being injectors) for grouting tendons and stressbars; machines and (not handoperated) tools for making anchors, tendons measuring and checking apparatus for determining and controlling loads, displacements and stresses in constructions; control mechanisms for moving (heaving, displacing, sinking) heavy loads elements of prestressed constructions particularly non-metallic ducts
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
19 - Matériaux de construction non métalliques
20 - Meubles et produits décoratifs
Produits et services
Building materials of metal; transportable buildings;
prefabricated elements, pipes, sheaths for non-electric
cables; connecting elements for non-electric cables, wires,
pipes and sheaths; non-electric cables and wires of metal. Connecting elements for non-electric cables, wires, pipes,
sheaths. Building materials, not of metal; transportable buildings,
prefabricated elements, pipes; structural concrete anchors. Sheaths for non-electric cables and particularly for
pre-stressed cables comprising elements and structures of
concrete.
09 - Appareils et instruments scientifiques et électriques
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
19 - Matériaux de construction non métalliques
Produits et services
Métaux communs et leurs alliages; matériaux métalliques pour
les voies ferrées; câbles et fils métalliques non
électriques; gaines métalliques, y compris manchons et
raccords de réduction pour câbles et fils non électriques;
serrurerie et quincaillerie métallique; tuyaux métalliques
ainsi que leurs raccords et moyens de fixation; éléments
préfabriqués pour constructions métalliques; matériaux de
construction métalliques, en particulier acier d'armature
pour béton, ancres de sol et de roche; systèmes de
précontrainte pour béton et éléments de tels systèmes
notamment crics de précontrainte, membres de précontrainte,
câbles, gaines, ancres et dispositifs de compensation du
retrait des éléments de serrage, coffrages glissants;
constructions transportables métalliques; monuments
métalliques. Dispositifs de levage, grues et élévateurs pour charges dans
l'industrie du bâtiment. Appareils et instruments scientifiques, géodésiques,
optiques, de pesage, de mesurage, de signalisation et de
contrôle (inspection) notamment pour déterminer et contrôler
des charges, déplacements, pressions et tensions dans des
constructions. Gaines non métalliques, y compris manchons et raccords de
réduction pour câbles et fils non électriques; tuyaux non
métalliques ainsi que leurs raccords et moyens de fixation. Matériaux de construction non métalliques; éléments
préfabriqués de construction en béton; ancrages non
métalliques pour construction en béton; coffrages glissants;
tuyaux rigides non métalliques pour la construction;
asphalte, poix et bitume; constructions transportables non
métalliques; monuments non métalliques.
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
19 - Matériaux de construction non métalliques
Produits et services
Building materials, transportable buildings, prefabricated
parts and pipes of metal; cable sheaths of metal,
non-electric, and in particular for pre-stressed cables for
concrete constructions and elements; coupling pieces, of
metal, for cables, non-electric, wires, cables, pipes and
for sheaths; anchors of metal for concrete constructions;
cables and wires of metal, non-electric. Sheaths, not of metal, for cables, non-electric and in
particular, for pre-stressed cables for concrete
constructions and elements; connectors, not of metal, for
cables, non-electric, wires, cables, pipes and sheaths. Building materials, transportable buildings, prefabricated
elements and non-metallic pipes; anchors not of metal for
concrete constructions.
DEVICES USED IN THE PRESTRESSING OF WIRES AND CABLE STRANDS USED IN CONCRETE CONSTRUCTION WORK-NAMELY, ANCHORS AND CABLE COUPLERS JACKS, GROUTING MIXERS AND INJECTORS
