The present invention concerns a Portland cement-free porous rigid mineral substrate made of alkali-activated pozzolans, a method for preparing the same, and use of said substrate to optimize plant germination and growth.
C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
A01G 24/17 - Substrats de cultureMilieux de cultureAppareils ou méthodes à cet effet basés sur ou contenant de la matière inorganique contenant des scories
A01G 24/15 - Roche calcinée, p. ex. perlite, vermiculite ou agrégats d’argile
C04B 20/00 - Emploi de matières comme charges pour mortiers, béton ou pierre artificielle prévu dans plus d'un groupe et caractérisées par la forme ou la répartition des grainsTraitement de matières spécialement adapté pour renforcer leur propriétés de charge dans les mortiers, béton ou pierre artificielle prévu dans plus d'un groupe de Matières expansées ou défibrillées
A01G 24/44 - Substrats de cultureMilieux de cultureAppareils ou méthodes à cet effet caractérisés par leur structure en forme de bloc, tapis ou feuille
2.
CEMENT-FREE POROUS SUBSTRATE FOR PLANT GERMINATION AND GROWTH MADE OF ALKALI-ACTIVATED POZZOLANS
The present invention concerns a Portland cement-free porous rigid mineral substrate made of alkali-activated pozzolans, a method for preparing the same, and use of said substrate to optimize plant germination and growth.
A01G 24/17 - Substrats de cultureMilieux de cultureAppareils ou méthodes à cet effet basés sur ou contenant de la matière inorganique contenant des scories
A01G 24/18 - Substrats de cultureMilieux de cultureAppareils ou méthodes à cet effet basés sur ou contenant de la matière inorganique contenant des fibres inorganiques, p. ex. de la laine minérale
3.
METHOD TO DESIGN A SELF-HEALING CONCRETE ADDITIONATED WITH A PERMEABLE CONCRETE CONTAINING BIOLOGICAL MATERIALS
The present invention relates to a healing agent for concrete mix designs or product, method to prepare the same, said agent containing porous micro concrete, bacteria and/or bacteria spores, at least a calcium source and a carbon source, and its use to enable a self-healing of microcracks or cracks that form in a hardened concrete.
The invention relates to a process enabling the use of alternative fuels, mainly the use of wastes materials or Refuse Derived Fuels (RDF) containing high chlorine content, in a kiln for clinker production, in particular Portland clinker production. The invention consists essentially in introducing in the kiln a required additive, namely sulfur, in order to reduce the evaporating rate of chlorine from the alternative fuels in the kiln and to fix it into clinker, so that build-ups,clogging, blockages and rings formation in the kiln due to the presence of these volatile chloride components are avoided.
The present invention relates to a method to avoid the negative effect of both sulphur and vanadium presence contained in solid fuel used in cement clinker manufacturing line (build- up, kiln rings, etc.). The present invention consists essentially to prepare, dose and use a fuel additive based on an alkaline earth metal to allow the combination of vanadium and sulphur with said added alkaline earth metal, so that corrosion, build-up, crusts and ring formation in cement pre-heaters and kilns due to the presence of those components are avoided.
A castable construction material with controlled flow and workability retention comprising (a) a binder comprising from 75% to 100% by weight of fly ashes comprising from 1.5% to 35% by weight of Ca O and a Lost on Ignition (LOI) value from 0.5% to 5.5% by weight, (b) an activator comprising an alkali hydroxide and an alkali silicate, wherein the activator is from 3% to 25% by weight with respect to the castable construction material, (c) sand, (d) fine aggregates, (e) coarse aggregates, (f) free water and (g) a workability retention agent wherein selected from the group consisting of polycarboxylate ether polymer (PCE), polyamines, polyethylene imines, polyacrylamides, polyacrylate (EO, PO) ester, polymethacrylate (EO, PO) ester, polyammonium derivatives and co-polymers thereof, polydiallyldimethylammonium chloride, benzalkonium chlorides, substituted quaternary ammonium salts, chitosans, caseins and cationically modified colloidal silica.
C04B 28/00 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates
C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
C04B 111/00 - Fonction, propriétés ou utilisation des mortiers, du béton ou de la pierre artificielle
The present invention relates to a new castable cement based material containing a special admixture based internal curing system to reduce the shrinkage and avoid the formation of cracks, and method of producing the same.
C04B 40/00 - Procédés, en général, pour influencer ou modifier les propriétés des compositions pour mortiers, béton ou pierre artificielle, p. ex. leur aptitude à prendre ou à durcir
8.
CASTABLE MATERIAL BASED ON CEMENTITIOUS BINDER WITH SHRINKAGE RESISTANCE
The present invention relates to a new castable cement based material containing a special admixture based internal curing system to reduce the shrinkage and avoid the formation of cracks, and method of producing the same.
Method to produce aggregates from unsettled cementitious mixtures, comprising the steps of (a) adding at least one pelletizing agent to an unsettled cementitious mixture, (b) mixing constantly the mixture of step (a) in a mixer to produce pellets, (c) discharging the pellets obtained in step (b) and (d) drying the pellets formed in step (c). The pelletizing agent is selected from the group consisting of cellulose, chitosan, collagen, polyacrylamide and co-polymers of polyacrylamide and polyacrylics, polyamines, polyvinylalcohols, polysaccharides, lactic acid, methacrylic acid, methacrylate, hydroxyethyl, ethylene glycol, ethylene oxide, acrylic acid, inorganic flocculants and inorganic coagulants.
A concrete mix comprising sand, fine aggregates, binder, fibers, and various admixtures, having a consistency from S2 to SF3, a compressive strength in the range of 30-80 MPa and a ductility represented by fc, ffl, f R1 and f R3 values, wherein the concrete mix contains at least 390 Kg of binder, the concrete mix comprises a paste volume of 300- 600 liters, the concrete mix contains at least two systems of metallic fibers and a general admixture system that is composed of at least 2 sub-admixture systems.
C04B 28/00 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates
A concrete mix comprising sand, fine aggregates, binder, fibers, and various admixtures, having a consistency from S2 to SF3, a compressive strength in the range of 30-80 MPa and a ductility represented by fc, ffl, fR1 and fR3 values, wherein the concrete mix contains at least 390 Kg of binder, the concrete mix comprises a paste volume of 300- 600 liters, the concrete mix contains at least two systems of fibers and a general admixture system that is composed of at least 2 sub-admixture systems.
C04B 28/00 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates
A concrete mix comprising sand, fine aggregates, binder, fibers, and various admixtures, having a consistency from S2 to SF3, a compressive strength in the range of 30-60 Mpa and a ductility represented by fc, ffl, fR1 and fR3 values, wherein the concrete mix contains at least 390 Kg of binder, the concrete mix comprises a paste volume of 300- 600 liters, the concrete mix contains at least two systems of fibers and a general admixture system that is composed of at least 2 sub-admixture systems.
C04B 28/00 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates
13.
METHOD TO PRODUCE AGGREGATES FROM UNSETTLED CEMENTITIOUS MIXTURES
Method to produce aggregates from unsettled cementitious mixtures, comprising the steps of (a) adding at least one pelletizing agent to an unsettled cementitious mixture, (b) mixing constantly the mixture of step (a) in a mixer to produce pellets, (c) discharging the pellets obtained in step (b) and (d) drying the pellets formed in step (c). The pelletizing agent is selected from the group consisting of cellulose, chitosan, collagen, polyacrylamide and co-polymers of polyacrylamide and polyacrylics, polyamines, polyvinylalcohols, polysaccharides, lactic acid, methacrylic acid, methacrylate, hydroxyethyl, ethylene glycol, ethylene oxide, acrylic acid, inorganic flocculants and inorganic coagulants.
Method to artificially agglomerate finely divided materials. A method to agglomerate finely divided material into aggregates, the aggregates being larger than the finely divided material, comprising the steps of (a) mixing finely divided material, binder and water in a mixer, (b) adding an agglomerating agent to the mix formed in step (a) and mixing constantly. Finely divided material is selected from the group consisting of cement, sand, clay, glass, slag, fly ash, stone powder, bypass dust, limestone, silica fume, crushed brick, brick powder and crushed stone or a combination thereof.
Method to build a road, characterized by the steps of excavating and removing the top layer of the soil, wherein part of the removed material is mechanically, physically and/or chemically treated and placed back in its original location, fill the remaining depth by a material selected from the group consisting of compacted gravel, aggregates and sand or a combination thereof, obtaining a stabilized layer and placing a concrete on top of the stabilized layer.
E01C 7/32 - Revêtements continus réalisés sur place faits de matériaux d'empierrement et de liants de plusieurs couches différentes réalisées sur place
E01C 7/35 - Recouvrements ou couches de surfaceMéthodes pour en faire le mélange, les injecter ou les répandre
37 - Services de construction; extraction minière; installation et réparation
Produits et services
Building materials (non-metallic), Namely cement, Concrete, Screed, Stone, Lime, Gravel, Gypsum, Floor tiles, Partitioning, Bricks; Asphalt, pitch and bitumen; Non-metallic transportable buildings, namely modules, panels, precast columns and monuments, not of metal. Construction and repair of buildings; Consultancy relating to building construction and to the use of materials for building construction (consultancy or information relating to building construction); Road paving, Installation of floors and benches; Demolition and bricklaying, plastering; Remodelling of buildings.
17.
METHOD FOR PLACEMENT OF ROLLER COMPACTED CONCRETE (RCC) ON A SUB-BASE TO PRODUCE A CONCRETE PAVEMENT
Method for placement of roller compacted concrete (RCC) on a sub-base to produce a concrete pavement, which comprises: (a) dosing a concrete or concrete ingredients and loading said concrete or concrete ingredients into a concrete transportation truck, (b) adding at least one pelletizing agent to the concrete and waiting from 3 to 15 minutes under constant mixing to produce a pelletized concrete and (c) discharging the pelletized concrete obtained in step (b) on the sub-base from the concrete transportation truck, rotating the drum of the concrete transportation truck.
Construction castable material with controllable flow or slump comprising (a) a binder comprising fly ashes comprising from 1.5% to 35% by weight of CaO and a Lost on Ignition (LOI) value from 0.5% to 5.5% by weight, representing from 10% to 60% of the binder weight and ground granulated blast furnace slag comprising from 40% to 70% by weight of CaO and from 30 to 60% by weight of Si02, representing from 40% to 90% of the binder weight, (b) an activator comprising alkaline reagents selected from the group composed by water glass, preferably in solution with 30 to 50% by weight solid content, sodium metasilicates and sodium hydroxide, (c) sand, fine and coarse aggregates and (d) organic acids or conjugated salts of organic acids in a dosage from 0.001 % to 3% by weight with respect to the binder.
C04B 28/00 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates
C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
The present invention disclosure describes a method to produce a cement with an integrated curing agent for concrete mixtures, mortars and other cement-based materials. The method describes an integrated milling of all cement components (clinker, gypsum and other additives) and the curing agent, that will allow reducing the plastic shrinkage cracking on the casted elements that use this cement-based mix.
C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
A concrete mix design having a slump class from S1 to S5 or a flow class from F1 to F6 and a workability retention between 10 minutes and 120 minutes, comprising - from 150 to 600 kg of cement per cubic meter of concrete, - aggregates selected from the group consisting of sand, fine aggregates, coarse aggregates or combinations thereof, wherein the total content of phyllosilicates of the aggregates is between 0.05 wt.% and 75 wt.%, wherein the concrete mix design includes an admixture system 1 which is based on 100% polycarboxylate ether based copolymer (PCE).
C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
C04B 40/00 - Procédés, en général, pour influencer ou modifier les propriétés des compositions pour mortiers, béton ou pierre artificielle, p. ex. leur aptitude à prendre ou à durcir
21.
ADMIXTURES AND ADMIXTURE FORMATION USED IN CONCRETE TECHNOLOGY
A concrete mix design having a slump class from S1 to S5 or a flow class from F1 to F6 and a workability retention between 10 minutes and 120 minutes, comprising from 150 to 600 kg of cement per cubic meter of concrete, aggregates selected from the group consisting of sand, fine aggregates, coarse aggregates or combinations thereof containing between 0.5 wt.% and 75 wt.% of phyllosilicates, is characterized in that the concrete mix design includes an admixture system 1 which is based on 100% polycarboxylate ether based copolymer (PCE), the admixture system 1 comprising at least one component B1 being a PCE copolymer.
C04B 28/02 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates contenant des ciments hydrauliques autres que ceux de sulfate de calcium
C04B 40/00 - Procédés, en général, pour influencer ou modifier les propriétés des compositions pour mortiers, béton ou pierre artificielle, p. ex. leur aptitude à prendre ou à durcir
22.
METHOD FOR PRODUCING AGGREGATE AND CALCIUM CARBONATE FROM CONCRETE COMPOSITE MATERIALS, AND A DEVICE FOR CARRYING OUT SAID METHOD
The invention relates to a method for producing aggregate and calcium carbonate from concrete composite materials and to a device for carrying out said method.
The present invention relates to a temporary concrete batching plant that encompasses all required elements to produce concrete as close as possible to a job site providing concrete in a safe and profitable way, with a high quality and minimizing the time of transportation. A transportable mobile equipment is also disclosed to assist in these purposes. It is also proposed an optimization of parameters regarding the production of concrete in the production plant.
The present invention relates to a temporary concrete batching plant that encompasses all required elements to produce concrete as close as possible to a job site providing concrete in a safe and profitable way, with a high quality and minimizing the time of transportation. A transportable mobile equipment is also disclosed to assist in these purposes. It is also proposed an optimization of parameters regarding the production of concrete in the production plant.
A method of constructing a wall to meet an applicable building code, and a wall created by this method. The method may include placing insulating concrete forms, having a cavity, where the wall is to be constructed; placing a limited quantity of metal reinforcement steel within the cavity, such that the limited quantity of reinforcing steel is insufficient to meet the applicable building code; and pouring a mix of aggregate, sand, cement, fly ash, and mineral fibers into the cavity; and allowing the mix to cure, thereby meeting the applicable building code without additional metal reinforcement. The mix may between 45 and 50% stone, between 30 and 35% sand, between 10 and 12% Portland cement, between 5 and 8% fly ash, between 1 and 2% mineral fibers, and between 0 and 1% admixtures by weight. The mix may contain mineral fibers of different grades and/or dimensions.
The invention relates to the use of cellular concrete aggregates sized between 2 and 25 mm and having a bulk density in the dry state of between 200 and 600 kg/m3 enabling their agglomeration by a binder for the manufacture of lightweight and insulating concrete or for the manufacture of slabs, screeds, formwork walls or prefabricated parts. It also relates to a process for manufacturing cellular concrete aggregates of at least 2 mm.
The invention relates to a clinker composition characterised in that it comprises: between 30 and 70 weight per cent of alite (C3S), between 10 and 40 weight per cent of belite (C2S), between 5 and 15 weight per cent of calcium sulfoaluminate (C4A3S), and between 1 and 7 per cent of ferrite (C4AF), the remainder consisting of anhydrite (CS) and/or lime (C3A). The invention also relates to a method for producing a cement from said clinker.
The invention relates to a method for producing a clinker for cement, characterised in that it is obtained by grinding a raw flour comprising, especially, Al203, Fe2O3 and SO3 in contents (A) such that S03 = 0.261A12O3 - 0.638Fe2O3 + k or 2.5
A method for capturing CO2 produced by cement plants by using the calcium cycle method comprising the integration of the process known as calcium cycle to the cement plant by using the cement plant raw materials and sub products in the calcium cycle plant and by using the calcium cycle plant raw materials, sub products and residual energy in the cement plant.
The invention concerns a method for beneficiation of fly ash particles comprising : - determining the heat value of the fly ash particles; - comparing the determined heat value of the fly ash particles with a minimum heat value K; - feeding an inlet of a combustor (5) with a feed material comprising the fly ash particles and, in case the determined heat value is lower than the minimum heat value K, fuel in sufficient quantity to assure that the heat value of the raw material is greater than or equal to the minimum heat value K; - supplying an upstream airflow to the combustor (5) so as to carry the feed material in suspension from the inlet to an outlet of the combustor; - operating the combustor (5) at a temperature of at least 700°C; - collecting beneficiated fly ash particles from the airflow at the outlet of the combustor (5). The invention also concerns an installation for implementation of the said method.
The invention concerns a device for determining the dimension of the upper concrete cover of a concrete component, having at least one fastening (5, 7, 9, 11) by means of which the device can be fixed to a reinforcement (101) for a concrete component and at least one section (37, 53) capable of projecting above the upper concrete cover during casting in the reinforcement (101), wherein this section (37, 53) presents means of configuration (59, 61, 63) by which the dimension of the upper concrete cover may be determined.
The invention related to a method to produce electricity in a cement clinker production utilizing a kiln and/or a precalciner as combustion chambers to generate electricity, the method comprising: a. supplying fuel (31, 30) to the precalciner (3) and/or the kiln (5) in a quantity corresponding to at least 110% of a heat value requirement for clinker production operation of the precalciner (3) and/or the rotary kiln (5) per unit weight of clinker, respectively; b. Bypassing a portion of hot flue gases (50, 51, 52) from at least one of (i) the kiln (5) and/or (ii) the precalciner (3); c. Leading hot flue gases to a heat recovery steam generator (7) producing steam; d. Producing electricity with a power island comprising a steam turbine equipped with an electrical generator.
The invention related to a method to produce electricity in a cement clinker production utilizing a kiln and/or a precalciner as combustion chambers to generate electricity, the method comprising: a. supplying fuel (31, 30) to the precalciner (3) and/or the kiln (5) in a quantity corresponding to at least 110% of a heat value requirement for clinker production operation of the precalciner (3) and/or the rotary kiln (5) per unit weight of clinker, respectively; b. Bypassing a portion of hot flue gases (50, 51, 52) from at least one of (i) the kiln (5) and/or (ii) the precalciner (3); c. Leading the said bypassed portion of hot flue gases to a heat recovery steam generator (7) producing steam; d. Producing electricity with a power island comprising a steam turbine equipped with an electrical generator.
The invention concerns cost effective concrete formulations based on an alkali activated binder. The construction material of the concrete type, contains sand, fine aggregates, coarse aggregates, water and a binder comprising: - from 55 to 80 wt. % of fly ash containing less than wt. 8% of CaO; - from 15 to 40 wt. % of blast furnace slag; and - a chemical activator containing : o from 0.8 to 4 wt. % of alkaline silicates; and o from 1.5 to 9 wt. % of alkaline carbonates,; o wherein the chemical activator has an silica to alkali molar ratio from 0.1 to 0.55; - a booster comprising at least one strong base. The invention also concerns a method to produce such a concrete construction material.
C04B 28/00 - Compositions pour mortiers, béton ou pierre artificielle, contenant des liants inorganiques ou contenant le produit de réaction d'un liant inorganique et d'un liant organique, p. ex. contenant des ciments de polycarboxylates
The present invention concerns the development of a simple, multipurpose, low cost, environmental friendly and safe binder formulation and related process, based on high volumes of alkaline activated class F fly ash residue (>760%) without ordinary Portland cement and related products, offering a wide scope of applications. More specifically, the universal binder is based on a very limited number of components (fly ash type F, Blast Furnace Slag and a mixture of alkali silicates and carbonates). The binder allows developing considerable strength at the early stage (at room temperature) and very high resistances at 28 days.The binder applies to pastes, mortars concretes and pre-cast with the same flexibility of an Ordinary Portland Cement.
