Abrégé

The present invention relates to a heave compensation system for a floating platform for ocean engineering survey. The system comprises a control mechanism, an air compressor mechanism, a compensation hydraulic station mechanism, an upward heave compensation frame mechanism and a compensation energy storage mechanism, wherein the control mechanism is arranged on an operation platform on a sea-going ship, the air compressor mechanism and the compensation hydraulic station mechanism are arranged on a main deck of the sea-going ship, the upward heave compensation frame mechanism is arranged on a derrick of the sea-going ship, and the compensation energy storage mechanism is arranged on the upward heave compensation frame mechanism; the control mechanism is in control connection with the air compressor mechanism, the compensation hydraulic station mechanism, the upward heave compensation frame mechanism and the compensation energy storage mechanism; and the air compressor mechanism and the compensated hydraulic station mechanism are connected to the compensation energy storage mechanism. The heave compensation system provided by the present invention can allow a marine top drive drilling system to meet both the technological requirements of diamond wireline coring at a high rotation speed in a seabed hard rock stratum and the technological and functional requirements of low-speed rotary drilling and CPT sampling tool passage in seabed soft rocks.

Classes IPC  ?

• E21B 19/09 - Appareils pour faire avancer les tiges ou les câblesAppareils pour augmenter ou diminuer la pression sur l'outil de forageAppareils pour compenser le poids des tiges spécialement adaptés au forage des formations sous l'eau à partir d'un support flottant utilisant des compensateurs de houle supportant le train de tiges
• E21B 19/00 - Manipulation de tiges, tubages, tubes ou autre objets analogues à l'extérieur du trou de forage, p. ex. dans la tour de forageAppareils pour faire avancer les tiges ou les câbles

Abrégé

A floating tunnel shore connecting system, a floating tunnel and a floating tunnel construction method are disclosed, where the design method of the floating tunnel is to apply axial tension along one end or two ends of a tube body respectively; The floating tunnel shore connecting system comprises a joint section located at the end of the tube body, which can move along the axial direction and is connected with a tension device for applying axial tension; The floating tunnel comprises a tube body and a hollow cavity, wherein the tube body comprises a floating section and a shore connecting system at two ends, and both joint sections are provided with tension devices. The design method and structure of the floating tunnel provided by the present invention, by applying the axial tension of the tube body, can significantly increase the horizontal stiffness and vertical stiffness of the whole floating tunnel tube body, improving the natural vibration frequency of the tube body, and the safety and reliability of the floating tunnel are improved; It is beneficial to the long-term use of the cable and the foundation anchored on the seabed or the riverbed. The construction risk is also lower, and the cost is also lower, which effectively saves the construction cost, and is easy to implement and popularize the project.

Classes IPC  ?

• E01D 15/14 - Ponts flottants, p. ex. ponts sur pontons
• E02D 29/067 - Tunnels flottantsTunnels submergés du type pont, c.-à-d. tunnels supportés par des piles ou analogues au-dessus du fond de l'eau

Abrégé

A one-time detonation method for a large-section tunnel, which method relates to the technical field of underground engineering blasting, and solves the problem of the throwing range of flying rocks being large during a blasting process. The method comprises: dividing a tunneling section into an upper step and a lower step, and arranging the upper step ahead of the lower step; arranging peripheral holes along the contour of the upper step; arranging a plurality of hole perpendicular lines on the upper step in a vertical direction, arranging a plurality of hole parallel lines parallel to a roadway bottom plate, and determining hole base points; arranging empty holes, slot expansion holes, auxiliary holes and middle dividing holes in the upper step, wherein the empty holes are provided in the hole base points along the hole perpendicular lines, the slot expansion holes are evenly distributed around the empty holes, and the middle dividing holes are distributed in the middle points of the adjacent hole base points; arranging peripheral holes in the lower step, and arranging a plurality of rows of auxiliary holes parallel to the roadway bottom plate; and performing one detonation for all blast holes of the section, wherein the slot expansion holes, the auxiliary holes and the middle dividing holes of the upper step are detonated in sequence from near to the empty holes to far away therefrom, and the auxiliary holes of the lower step are detonated in sequence from far away from the bottom plate to near thereto. The method has the advantages of high construction efficiency, fewer number of detonations, etc.

Classes IPC  ?

• F42D 3/04 - Applications particulières de techniques de sautage pour faire sauter des rochers
• F42D 1/00 - Appareils ou procédés de sautage, p. ex. pour le chargement en explosifs ou de bourrage
• E21D 9/00 - Tunnels ou galeries, avec ou sans revêtementsProcédés ou appareils pour leur exécutionTracé des tunnels ou des galeries

Abrégé

Disclosed in the present invention is a hollow-hole burn cut three-time blasting method. In the method, a pilot tunnel is excavated on one side of the centerline of a tunneling section and in a direction where there is no target to be protected on a working face; the pilot tunnel divides the tunneling section into an advanced pilot tunnel region and a main blasting region; the advanced pilot tunnel region is blasted twice, and the main blasting region is then subjected to third blasting; the drilling footage of the third blasting is equal to that of the first blasting of the advanced pilot tunnel; and after one blasting cycle, a reserved pilot tunnel is formed in a new tunneling section, such that starting from a second cycle, blasting can be performed according to a normal cyclic drilling footage, and a situation that rock slag covers the bottom of the main blasting region after the first cyclic pilot tunnel blasting does not occur, thus providing a faster mode for blasting implementation of all sections.

Classes IPC  ?

• F42D 1/00 - Appareils ou procédés de sautage, p. ex. pour le chargement en explosifs ou de bourrage
• F42D 3/04 - Applications particulières de techniques de sautage pour faire sauter des rochers
• E21D 9/00 - Tunnels ou galeries, avec ou sans revêtementsProcédés ou appareils pour leur exécutionTracé des tunnels ou des galeries

Abrégé

Disclosed is a flying-limiting hole drilling and blasting method for controlling flying stones in tunnel blasting. The method comprises: excavating a flying-limiting hole having an advanced tunneling section at a lower portion of the tunneling section, and setting, under different surrounding rock conditions, the relationship between the excavation depth of the flying-limiting hole and the blasting circulation footage of the advanced tunneling section and the tunneling section of a tunnel; in addition, setting a detonation time, such that rock slag blasted from a blast hole firstly detonated in the tunneling section of the tunnel under hard surrounding rock conditions can form a slag pile in the flying-limiting hole and can effectively block flying stones thrown outwards by blasting in the advanced tunneling section. Therefore, under weak surrounding rock conditions, the advanced tunneling section is blasted in advance, and a good free surface is created for blasting of the tunneling section of the tunnel. In the present invention, a flying-limiting hole is excavated once for the first time, a new flying-limiting hole is actively formed after each cycle, and blasting construction of the next cycle can be continuously performed, such that the working efficiency is improved again, and a feasible way is provided for efficient and safe construction of a tunnel.

Classes IPC  ?

• F42D 1/00 - Appareils ou procédés de sautage, p. ex. pour le chargement en explosifs ou de bourrage
• F42D 3/04 - Applications particulières de techniques de sautage pour faire sauter des rochers

Abrégé

A method of treating tunnel collapse includes leveling a collapse body and moving a pavilion support under the collapse cavity, lifting a shield plate until a lower edge of the shield plate surpasses a contour line of an initial supporting arch of a tunnel, connecting a bottom column and inserting a padding plate under a column. If the hydraulic prop retracts, the column, the bottom column, the padding plate and the hydraulic prop bear a load from the shield plate. Mounting and connecting the initial supporting arch, welding the intersection point of the column and the initial supporting arch, cutting off the column in the initial supporting arch. Transferring the load of the shield plate from the pavilion support to an initial supporting shed, spraying fast-setting concrete to a grid arch to form a closed shell, and pumping filling material to fill the space of the collapse cavity.

Classes IPC  ?

• E21D 19/00 - Couvertures protectrices temporaires pour l'espace de travail
• E21D 11/10 - Revêtement avec des matériaux de construction avec du béton coulé en placeCoffrage ou autre équipement adapté à cet effet
• E21D 11/15 - Plaques de revêtementGarnissages, c.-à-d. revêtements conçus pour retenir les matériaux de la formation ou pour transmettre la charge aux éléments de support principaux
• E21D 11/18 - Éléments de cintre
• E21D 15/44 - Étançons hydrauliques, pneumatiques ou hydropneumatiques

Abrégé

A method of treating tunnel collapse includes mounting a shield plate, a column, a support column to form a combined support and moving the combined support onto an operation platform, lifting up the combined support, and enabling the height of canopy to be greater than the height of an initial supporting arch. Actively contacting a surface of a collapse cavity by a fixed support column and bearing a load, and lifting a movable support column to the top of the collapse cavity and bearing a load. Mounting an initial supporting arch, and welding the initial supporting arch with the support column. Removing a hydraulic prop after the support column contacting the initial supporting arch is cut off and the load of the shield plate is transferred to a supporting shed. Mounting an exhaust pipe and a filling material pumping pipe, and pumping a filling material into a collapse cavity space.

Classes IPC  ?

• E21D 11/00 - Revêtement de tunnels, galeries ou autres cavités souterraines, p. ex. de vastes chambres souterrainesRevêtements à cet effetLeur exécution sur place, p. ex. par assemblage
• E21D 11/10 - Revêtement avec des matériaux de construction avec du béton coulé en placeCoffrage ou autre équipement adapté à cet effet
• E21D 15/44 - Étançons hydrauliques, pneumatiques ou hydropneumatiques
• E21D 11/18 - Éléments de cintre
• E21D 19/04 - Couvertures protectrices temporaires pour l'espace de travail pour l'utilisation dans les galeries de chassage

Abrégé

A method for treating tunnel collapse by using a pavilion-type support, which relates to the technical fields of tunnels and underground engineering. The method is suitable for the situation in which a collapsed cavity is relatively stable and the collapsed cavity has a tall height and is not prone to contact the roof. The method comprises the following steps: leveling a collapsed body and moving a pavilion-type support to below a collapsed cavity; using hydraulic support columns (5) to lift a shield plate (2) until the lower edge of the shield plate exceeds the outer contour line of a tunnel primary support arch frame; connecting a bottom column (4) under a stand column (3) and inserting same into a base plate (22); if the hydraulic support columns are retracted, the stand column, the bottom column, the base plate and the hydraulic support columns jointly bear the load transmitted by the shield plate; installing and connecting the primary support arch frame (24) under the protection of the shield plate, welding the intersecting point between the stand column and the adjacent primary support arch frame, and cutting out the stand column in the primary support arch frame; after a single hydraulic support column is withdrawn, the load of the shield plate is smoothly transferred from the pavilion-type support to an initial support scaffold (25), quick-setting concrete is sprayed on a grid arch frame so as to form a closed housing, and a filling material is pumped to fill the space of the collapsed cavity. The described method has the advantages of low requirements for the lifting height of hydraulic support columns, safe construction and so on.

Classes IPC  ?

• E21D 19/04 - Couvertures protectrices temporaires pour l'espace de travail pour l'utilisation dans les galeries de chassage

Abrégé

A method for treating a tunnel collapse by using a roof-contacted shield plate support, relating to the technical field of tunnel engineering. In the method, a roof-contacted shield plate support is used for construction, and the method can adapt to different cave depths. The method comprises the following steps: install a shield plate (1), upright columns (2), support columns, etc. to form a combined support, move the combined support to a construction platform (23), lift the combined support by means of single hydraulic props (9) placed under the combined support, and make the height of a transverse beam (5), a longitudinal beam (6), the shield plate, and a guide pipe (14) greater than the installation height of a primary arch center (26); fixed support columns (3) actively contact a cave surface (25) and bears the load, then raise a movable support column (4) to the top of a cave (28) and bear same; install the primary arch center, and weld the primary arch center and the support columns; remove the single hydraulic props after cutting off the support columns, enter the primary arch center and complete the stress transfer and load shield to a primary scaffold (27); and install an exhaust pipe (17) and a filling material pumping pipe (15) to pump a filling material to a cave space. The method has the advantages of high degree of mechanization, large supporting capacity, safe and efficient construction, etc.

Classes IPC  ?

• E21D 19/04 - Couvertures protectrices temporaires pour l'espace de travail pour l'utilisation dans les galeries de chassage

Abrégé

Disclosed in the present invention are a suspended tunnel shore connection system, a suspended tunnel, and a suspended tunnel construction method, the design method of the suspended tunnel being the respective application of axial tension along one or both ends of a tube body; the suspended tunnel shore connection system comprises a connector section positioned at the end part of the tube body, the connector section being capable of moving axially, and a tension apparatus for applying axial tension being connected onto the connector section; the suspended tunnel comprises the tube body having a hollow inner cavity, the tube body comprising a suspended section and a shore connection system positioned at both ends, and both connector sections being provided with a tension apparatus. The design method and structure of the suspended tunnel of the present invention, by means of applying axial tension to the tube body, can significantly increase the horizontal rigidity and vertical rigidity of the entire tube body, increasing the self-oscillation frequency of the entire tube body structure and improving the safety and reliability of the suspended tunnel, and also facilitate long-term use of cables and foundations anchored on a seabed or a riverbed; the construction risk is lower and costs are lower, effectively saving construction costs and being easy to implement and promote.

Classes IPC  ?

• E02D 29/067 - Tunnels flottantsTunnels submergés du type pont, c.-à-d. tunnels supportés par des piles ou analogues au-dessus du fond de l'eau

Produits et services

Mixing machines; rolling mills; excavators; road rollers; concrete mixers [machines]; bitumen making machines; bulldozers; road building machines; vibrating pile driver; machines for maintaining roads; rammer compactor; hoists; lifting apparatus; handling apparatus for loading and unloading; derricks; conveyors [machines]; lift operating apparatus; mobile cranes; dynamos; excavator; conveyor belt scrapers; dredging machines; rock drills [machines]. Vehicles for locomotion by land, air, water or rail; automobiles; automobile tires [tyres]; boats; dredgers [boats]; bicycles; cable transport apparatus and installations; trolleys; upholstery for vehicles; motors, electric, for land vehicles. Building timber; building stone; concrete; materials for making and coating roads; mortar for building; clinker ballast; gypsum [building material]; cement; cement slabs; concrete building elements; tiles, not of metal, for building; refractory construction materials, not of metal; bitumen; roofing and bituminous roofing waterproof membranes; building materials, not of metal; water-pipes, not of metal; gates, not of metal; luminous paving blocks; buildings, not of metal; insulating glass for building; coatings [building materials]; binding material for road repair. Capital investment; financing services; lease-purchase financing; arranging finance for construction projects; real estate agency services relating to the purchase and sale of housing; insurance underwriting; art appraisal; financial customs brokerage services; surety services; fiduciary. Building construction supervision; construction; commercial housing construction; rental of construction equipment; harbour construction; asphalting; damp-proofing [building]; building insulating; masonry; pier breakwater building; pipeline construction and maintenance; scaffolding; bricklaying; building of fair stalls and shops; laying of cable; upholstery repair; heating equipment installation and repair; heating equipment installation and repair; repair of power lines. Technological research; quality testing; engineering; land surveying; underwater exploration; surveying; industrial design; design of interior decor; construction engineering services [construction design]; architectural services; construction drafting; research in the field of building construction.

Produits et services

Mixing machines; rolling mills; hydraulic excavators; road rollers; concrete mixers being machines; concrete mixing machines; bitumen making machines; bulldozers; road building machines; vibrating pile driver; machines for maintaining roads; rammer compactor; hoists; lifting apparatus, namely, mechanical and hydraulic lifts; handling apparatus for loading and unloading, namely, loading and unloading machines; derricks; waste material conveying machines; hydraulic conveyors being machines; power-operated lifting and moving equipment, namely, pipe layers, fork lifts, telehandlers, and lifts; mobile cranes; dynamos; earth moving machines, namely, excavators; conveyor belt scrapers, namely, machinery in the nature of specialized accessories for hydraulic conveyor belts; dredging machines; rock drills Vehicles for locomotion by land, air, water or rail, namely, trucks, airplanes, ships and locomotives; automobiles; automobile tires; boats; dredgers; bicycles; cable transport apparatus, namely, cable laying ships, and, trolley cars and buses; trolleys; upholstery for vehicles; motors, electric, for land vehicles Building timber; building stone; concrete; materials for making and coating roads, namely, road asphalt and polymeric bitumen emulsions for road surfaces; mortar for building; clinker ballast, namely, stone building material in the nature of gravel for road and rail bed foundations; gypsum for use as building materials; cement; cement slabs; concrete building elements, namely, blocks, bricks, posts, slabs and panels; tiles, not of metal, for building; refractory construction materials, not of metal; bitumen; roofing and bituminous roofing waterproof membranes; non-metal building materials, namely, soffits and stair nosing; water-pipes, not of metal; gates, not of metal; luminous paving blocks not of metal; non-metallic transportable buildings; insulating glass for building; bituminous roof coating for use as building materials; binder material for road repair, namely, asphalt-based sealants for use in pavements Capital investment; financing services; lease-purchase financing; arranging finance for construction projects; real estate agency services relating to the purchase and sale of housing; fire and accident insurance underwriting; art appraisal; financial customs brokerage services; surety services; fiduciary representative services Building construction supervision; construction services, namely, planning, laying out and custom construction of residential and commercial communities; construction services, namely, installation of environmental containment systems; building construction; commercial housing construction; rental of construction equipment; harbour construction; asphalting; building damp-proofing; building insulating; masonry; pier breakwater building; pipeline construction and maintenance; scaffolding erection; bricklaying; building of fair stalls and shops; laying of cable; upholstery repair; heating equipment installation and repair; repair of power lines Technological research in the field of construction engineering; product quality testing; engineering; land surveying; underwater exploration; surveying; industrial design; design of interior decor; construction engineering services being construction design; architectural services; construction drafting; research in the field of building construction

Abrégé

The present application discloses a bearing structural member, a support, a joint assembly and a tube section assembly, wherein the maximum counter force provided by the bearing structural member under an external load is an own designed threshold value, namely when the external load is greater than the designed threshold value of the bearing structural member, the bearing structural member deforms, and provides a counter force equal to the designed threshold value; the support includes at least one bearing structural member; and the joint assembly and the tube section assembly are both equipped with the support. When the external load is not high and is less than the designed threshold value, the bearing structural member may effectively suppress the deformation just like a rigid structural member; when the external load exceeds the designed threshold value, the bearing structural member may deform, and provide a stable counter supporting force less than the external load. The bearing structural member may be applied to the support, the joint assembly and the tube section assembly, plays a role in protecting the structures or key structural components, and may be widely applied to the fields of design of bridges, design of building structures, design of tunnels and the like.

Classes IPC  ?

• F16M 13/00 - Autres supports ou appuis pour positionner les appareils ou les objetsMoyens pour maintenir en position les appareils ou objets tenus à la main
• F16C 33/12 - Composition structuraleEmploi de matériaux spécifiés ou de traitement particulier des surfaces, p. ex. contre la rouille
• 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
• F16C 29/00 - Paliers pour pièces à déplacement uniquement linéaire
• F16C 35/02 - Supports rigides de paliersCorps de paliers, p. ex. calottes, couvercles dans le cas de paliers à contact lisse
• F16C 41/02 - Dispositions pour répartir également la charge sur plusieurs paliers ou sur les éléments de paliers
• F16C 33/14 - Procédés particuliers de fabricationRodage
• F16C 33/20 - Surface de glissement principalement constituée de matériaux plastiques
• F16C 33/38 - Cages à billes

Abrégé

The present application discloses a final joint of an immersed tunnel, a prefabrication method and an installation method, wherein the final joint includes two end surfaces connected with installed adjacent tube sections; the two end surfaces are both tilted surfaces, so that the longitudinal profile of the final joint along an installation direction is of an inverted trapezoid structure; and the final joint further may be of a structure with a tube section I and a tube section II which are connected with each other. The final joint of the immersed tunnel is simple in structure, convenient to control and relatively high in precision, thereby reducing lots of open sea diving work and lowering a risk of installation quality defects; as prefabrication procedures are simple, the final joint may be prefabricated in a land factory and then transported to the site, thereby reducing influence of weather conditions on construction; a body structure of the final joint is prefabricated in the factory, and then the overall final joint is transported to the site for installation; water stop systems realize quick water stop, thus forming a dry construction environment; and therefore, the influence of weather and tidal current conditions on a project may be reduced, and a quality risk may be lowered.

Classes IPC  ?

• E02D 29/073 - Tunnels ou leurs coffrages assemblés à partir de sections immergées individuellement, ou déposées sur le fond de l'eau, p. ex. dans une tranchée creusée à l'avance
• E02D 29/16 - Aménagement ou réalisation de joints dans les fondations
• E02D 29/067 - Tunnels flottantsTunnels submergés du type pont, c.-à-d. tunnels supportés par des piles ou analogues au-dessus du fond de l'eau
• E02D 29/07 - Tunnels ou leurs coffrages construits à l'avance et formant un tout ou fabriqués de façon continue et mis en place sur le fond de l'eau, p. ex. dans une tranchée creusée à l'avance