Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements (C04B28)

C   Chemistry; metallurgy(318327)
C04B28                 Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements(3748)

ethod of creating water-resistant filling mass // 2642750
FIELD: mining.SUBSTANCE: method includes production of filling mixture by mill technology based on clinker and zeolite as binding agent, feeding it by gravity through a pipeline system and placing in mined-out space with its preliminary partial reinforcement. At that, successive supply and placement of two solutions is performed in mined-out space on level of an excavation located below pressure water-bearing horizon: first the solutions with water-resistant properties for height of not less than 1.5 m with embedding into the host rocks, and from the top of the base layer is the low-clinker under the roof of the excavation, then a drainage drift (DD) is developed in the filling mass on the contact with the host rocks along the contour of the water-resistant layer in its lower part and drainage holes (DH) are drilled out from the drainage drift into the filling mass above the water-resistant layer for complete interception and diversion of brines.EFFECT: provision of safe conditions for development of underlying mineral reserves due to complete interception and diversion of filtered brines.18 cl, 4 tbl, 3 dwg
Crude mixture for manufacturing fine-grained concrete // 2642749
FIELD: construction materials.SUBSTANCE: invention relates to the construction materials industry, in particular to the production of fine-grained concrete. Crude mixture for manufacturing fine-grained concrete contains, by weight: portland cement – 23.0–27.0; quartz sand – 60.0–64.0; superplasticizer C-3 – 0.6–0.8; technical lignosulfonate – 0.15–0.25; biocide – 0.0001–0.0002; synthetic vanillin – 0.001–0.002; water, heated to a temperature of 48–52 °C, is the rest.EFFECT: technical result is high frost resistance.1 cl, 1 tbl

Loose mixture to form thermal insulating layer // 2642702
FIELD: construction.SUBSTANCE: loose mixture to form a thermal insulation and levelling layer, in particular for the construction of floors, thermosetting at hydraulic hardening, wt %: from 5 to 30 of foamed polystyrene (EPS) in granular loose form, from 25 to 40 of water, from 40 to 60 of dry mixture of the mineral binder. The dry mixture of the mineral binder contains, wt %: 90 to 96 of white cement, 2 to 6 of silicic acid as a substance increasing adhesion between the EPS particles and the white cement, from 1 to 3 wt % of inactivated kaolin. The invention is developed in the dependent claims of the invention formula.EFFECT: obtaining a mixture with improved fluidity, creating from it a layer having improved physical properties in strength, thermal conductivity and sound insulation.23 cl, 2 dwg, 1 tbl, 4 ex
Raw mixture for manufacture of fine-grained concrete // 2642615
FIELD: construction materials.SUBSTANCE: invention relates to the construction materials industry, in particular to the production of fine-grained concrete. Raw material mixture for the production of fine-grained concrete contains, by weight: Portland cement 24–26, quartz sand 74–76, soaked in water and sodium polyacrylate sustained before swelling, ground to form a gel-like mass, 0.01–0.1, water 11–15.EFFECT: technical result is higher strength of fine-grained concrete.1 cl, 1 tbl
Crude mixture for making bricks // 2642613
FIELD: construction.SUBSTANCE: invention relates to production of construction materials and compositions of crude mixtures for making bricks, which can be used to build low-rise buildings. Raw material mixture for making bricks includes, % by weight: screened sieves No. 5 sawdust 5.0–7.0; quartz sand 62.75–69.8; Portland cement 25.0–30.0; lignosulfonate technical modified LSTM-2 or LMG 0.2–0.25, at water-cement ratio 0.5–0.55.EFFECT: technical effect: high frost resistance of bricks.1 cl, 1 tbl
Concrete mixture // 2642607
FIELD: construction.SUBSTANCE: invention relates to the industry of construction materials and particularly to the production of light concrete wall blocks. Concrete mixture contains, by weight: Portland cement 1.0, foam glass treatment waste crushed to a fraction allowing to pass through No. 014 sieve – chipping, offcut – 0.15–0.25, quartz sand – 0.25–0.5, granulated foam glass with granule size of 2–40 mm and bulk density of 100–350 kg/m3 – 0.15–0.25, water – 0.75–0.85.EFFECT: technical result is higher strength of concrete.1 cl, 1 tbl
Crude mixture for making foamed concrete // 2642586
FIELD: construction materials.SUBSTANCE: invention relates to construction materials, particularly to production of foam concrete used in low-height construction. Crude mixture for creating aerated concrete comprises, by weight: portland cement – 270–290, quartz sand – 270–290, aluminum powder – 2–2.5, sodium metasilicate – 0.1–0.15, 1 n. solution of NaOH – 1–1.5, synthetic vanillin – 0.01–0.03, water with at a temperature of 55–75 °C – 180–220.EFFECT: technical result is a simplified technology of aerated concrete preparation, increased frost resistance.1 cl, 1 tbl
ethod for production of composite carbonized products // 2642573
FIELD: construction.SUBSTANCE: method for production of composite carbonized products includes mixing of killed calcium or dolomite lime and carbonate filler in the form of waste from extraction and processing of limestones fractions up to 5 mm with to produce moulding mass, the carbonization of the products with carbon dioxide. In addition, the cutting of the products is carried out. And the moulding mass is prepared by extrusion method. Provide the extrusion moulding of the products from the moulding mass under the pressure of 55-75 kg⋅s/cm2. At the same time the wastes from stone sawing of the shelly limestones or nummulite limestones, or crushing and processing wastes of calcareous rock for break stone, or crushing and processing wastes from volcanic rocks for break stone are used as the carbonate filler.EFFECT: product strength increase.12 ex
Composition for producing heat-insulating products // 2641933
FIELD: chemistry.SUBSTANCE: composition includes a binder and a light filler and further comprises carbamide-furane resin of the brand FK and a curing catalyst of the brand OK in the amount of 10 wt % of resin. Wherein an aluminium-chromium-phosphate binder is selected as a binder, and hollow aluminosilicate microspheres with a particle size of 150 to 280 microns are selected as a lightweight filler in the following ratio of components, wt %: an aluminium-chromium-phosphate binder 25-34, hollow aluminosilicate microspheres 55-69.5, a curing catalyst of the brand OK 0.5-1, carbamide-furane resin of the brand FK 5-10.EFFECT: increasing the mechanical properties of refractory lightweight heat-insulating products and reducing the heat losses from a heat-insulated surface.3 tbl, 12 ex
Gypsum composites used in fire-resistant building elements // 2641872
FIELD: fire safety.SUBSTANCE: composite product contains gypsum in the amount of 60-90 wt %, fibre in the amount of 1.5-26 wt %, essentially, uniformly distributed in the composite, and rheology modifier in the amount of 0.5-6 wt %. The composite is cured or allowed to solidify to form a cured composite. The cured composite is a fire-resistant element used in a fire-resistant core of a door, a fire-resistant door or a fire-resistant structural panel. The fire-resistant element may be a structural panel, a door panel, a door core, a door rail, a door stile, a door lock, a door frame or a door insert.EFFECT: increased fire resistance.52 cl, 30 dwg
High-strength fine grain concrete // 2641813
FIELD: construction.SUBSTANCE: mixture for modified concrete containing portland cement, sand, nanosilica sol, white carbon, superplasticizer and water, characterized in that as a superplasticizer, a Linamix PK additive is used, with the following ratio of components wt %: sand: 66.3-67.8, portland cement 22-22.5, water 5.8-6.1, Linamix PK 3.38-3.45, microsilica 0.225-3, nanosilica sol 0.084-0.351, white carbon 0.045-0.158.EFFECT: obtaining a mixture for modified concrete of the brand by mobility P2 with a minimum consumption of cement.4 tbl
Wood-cement mixture with modificator // 2641548
FIELD: chemistry.SUBSTANCE: wood-cement mixture with a modificator is proposed that contains crushed wood in the form of sawdust of coniferous species, portland cement, liquid glass, calcium chloride, polypropylene fibers, amorphous silicon dioxide with a nanoporous structure and a specific surface of 120 to 400 m2/g at the ratio of these components, wt %: portland cement 35.0-50.3; sawdust 45-60.3; calcium chloride 1-4; liquid glass 2-8; the said silicon 0.05 to 1.0; polypropylene fibers 0.1-0.2.EFFECT: increasing the strength and environmental friendliness of the material.2 tbl
Pregelatinised starch with average viscosity range, and product, suspension and methods related to specified starch // 2641350
FIELD: construction.SUBSTANCE: slab contains: a core of hardened gypsum, located between two covering sheets. The core is derived from a slurry containing a construction gypsum, water and at least one pregelatinized acid-modified starch. The said pregelatinised acid-modified starch has a viscosity of about 20 to about 500 cps. The viscosity is measured when the pregelatinised acid-modified starch is in the conditions according to the VMA method. The pregelatinised acid-modified starch is present in an amount of from about 0.5 to about 3% by weight of the construction gypsum. For suspension requires increased water consumption to maintain fluidity of suspensions at the same level, which would be without pregelatinised acid-modified starch. The increase was less than the increase in water consumption required for the otherwise identical suspension containing starch having viscosity higher than 500 centipoises depending on VMA, instead of pregelatinised acid-modified starch, and plate core has a hardness of at least 11 pounds (5 kg), measured according to ASTM standard with 473-10. The invention is developed in the dependent claims of the invention formula.EFFECT: improving the operational properties of the slab.18 cl, 2 dwg, 25 tbl, 15 ex
Polydisperse wood-cement mixture with nanomodificator // 2641349
FIELD: chemistry.SUBSTANCE: invention relates to the wood-cement mixture with a nanomodificator that contains crushed wood in the form of sawdust of coniferous species, portland cement, liquid glass, calcium chloride, basalt fiber in the form of segments, amorphous silicon dioxide with a nanoporous structure, and a specific surface of 120 to 450 m2/g, with the component ratio, wt %: portland cement 35.45-50.85; sawdust 45-60.4; calcium chloride 1-4.05; liquid glass 2-8; amorphous silicon dioxide 0.05-1.0; basalt fiber 0.1-0.2.EFFECT: increasing the strength, decreasing the density and thermal conductivity of the material.2 tbl

Filling empty building brick with porous material // 2641154
FIELD: construction.SUBSTANCE: building brick consists of clay or cement and has a cellular structure that contains a porous material. The porous material comprises 25 to 75% by weight of silica, 75 to 25% by weight of calcium hydroxide, and 0 to 5% by weight of magnesium oxide. The microstructure of the brick is composed of pellets and/or needle-shaped crystals to form pores with an average diameter D50 ranging from 0.1 to 10 mcm. The porous material has a porosity in the range of 60 to 95% and is contained in at least a portion of the cells of the cellular structure. The method for manufacturing a building brick comprises the following successive steps. In stage a), the open porosity of the cellular structure of the cellular brick is neutralized. In step b), a mixture containing silica, quicklime and water is produced, such that the weight ratio of water/(CaO+SiO2) is in the range of 2 to 60 and a weight ratio of CaO/SiO2 is in the range from 0.8 to 1.2. The inner surface of the honeycomb brick obtained as a result of step a) is then impregnated. Fill the brick cells with the mixture obtained in step b). Conduct a hydrothermal synthesis of bricks by heating at temperature within a range from 80 to 200°C and at a pressure of saturated water vapour that is in the range of 1.105 to 25.105 Pa, during the time of from 1 to 40 hours from the receipt of the ceramic mass. Dry the brick at a temperature ranging from 100 to 450°C, for a period of 1 to 30 hours. The block includes one or more building bricks.EFFECT: increase the thermal stability of products due to minimization of convection effects while maintaining high mechanical strength.14 cl, 11 dwg, 4 tbl, 2 ex

Compositions containing furnace dust and wollastonite and methods for using thereof in underground formations // 2640621
FIELD: mining.SUBSTANCE: method for cementing includes: providing a hardening composition containing furnace dust, wollastonite, and water. The content of wollastonite in the hardening composition forms about 1% to about 75% by weight relative to total number of cementing components contained in the hardening composition, in this case, the content of furnace dust in the hardening composition is from 5% to about 90% by weight relative to the total number of cementing components, in the hardening composition, providing possibilities for setting of the composition. The hardening composition is intended for introduction into the underground formation. The invention is defined in the dependent claims.EFFECT: decreased cost of slurry for cementing.18 cl, 4 tbl, 3 dwg
Universal all-seasonal composition uac "vollaplast" // 2640323
FIELD: construction.SUBSTANCE: invention relates to the production of polymer-cement compositions used as protective, finishing and decorative coatings for concrete, reinforced concrete, metal, asphalt and wood substrates during the construction, repair and reconstruction of buildings and structures of various purposes. A universal all-seasonal composition for the protective coating of building structures containing a portland cement, an aggregate, a tempering component and modifying additives comprises a mixture of polyvinyl chloride chlorinated alkyd and epoxy resins as a tempering component, a natural wollastonite as a filler, and an aluminium hydroxide, a polyamide curing agent and a naphthenate drier as modifying additives, and is prepared by adding a hardener to the mixture of the mentioned resins, stirring, then adding a mixture of a portland cement, wollastonite and aluminium hydroxide, stirring, and injecting drier and additional stirring until preparation in the following ratio, wt %: portland cement 20-30, natural wollastonite 23-27, aluminium hydroxide 10-15, mixture of polyvinyl chloride chlorinated alkyd and epoxy resins 25-35, polyamide curing agent 5-8, naphthenate drier 2-4.EFFECT: ensuring the possibility of using high strength characteristics, plasticity and adhesion properties to various building materials, including bitumen-based ones, at sub-zero air temperatures.2 tbl
Acrylic composition from two parts containing ability to cure // 2640234
FIELD: chemistry.SUBSTANCE: composition comprises the liquid first part stable at storage and the liquid second part stable at storage which react with each other upon mixing with the formation of cement which hardens. The composition further comprises an acrylic monomer component and an amount of an initiator component for polymerizing the monomer component. The monomer component and the initiator component are typically in the separate parts of the two parts of the composition, so that the monomer component is stable at storage. The liquid first part contains, in a liquid carrier, acrylic polymer particles obtained by emulsion polymerization. A method for the preparation of a curable, two-part acrylic composition is also described. The composition is particularly useful when used in a syringe or a compression seal gun having at least two cylinders. A solid cement composition of bone cement, obtained by curing the acrylic composition consisting of two parts is porous and permits controlled release of antibiotics and medicines into the surrounding bone and tissue.EFFECT: low temperature of the exothermic effect during curing, the adhesion of the composition of bone cement that prevents, in particular, tissue necrosis, and the provision of the porous bone cement provides the cement mechanical properties matching the characteristics of the surrounding bone.28 cl, 16 tbl, 79 ex

Construction products based on gypsum and method of their production // 2639229
FIELD: construction.SUBSTANCE: each of the calcium sulfate dihydrate particles has the longest dimension and the transverse dimension, wherein the transverse dimension corresponds to the maximum particle width along the axis defining the longest dimension. The calcium sulfate dihydrate particles have a low aspect ratio, such that for at least 75% of the calcium sulfate dihydrate particles, the transverse dimension is at least 20% of the largest dimension, and the calcium sulfate dihydrate particles have the D50 dimension more than 3 mcm and less than 2 mm. In the version, the construction product comprises the calcium sulfate dihydrate particles, for which 90 wt % of the particles have a size of from 1 mcm to 3 mm. The invention also relates to a method for manufacturing a building structure and to the construction product. The invention is developed in the dependent claims of the invention formula.EFFECT: reducing the energy consumption.27 cl, 4 tbl, 6 dwg
Composite heat-insulating incombustible material // 2638071
FIELD: construction.SUBSTANCE: composite heat-insulating incombustible material, produced from a binder and granulate by filling a mould with a component mixture, vibration, holding, heat treatment, where soda glass with sodium fluosilicate, fine serpentinite and tetrafurfuryloxisilane is used as the binder, as the granulate, foam glass-ceramic granulate with a fraction of 1-5 mm is used, which is produced by granulation and foaming powder charge, received from mixing at 50-70°C of aqueous solution of sodium hydroxide with tripoli, diatomite, gaize and carbon-containing gas-forming admixture and by foaming this granulated mixture at 800-850°C. Then the above filling with the said component homogenious mixture is performed. The vibration is done for 5-7 min. Holding in the mould lasts for 1.5-2 hours, heat treatment - at 80-100°C for 1-2 hours with the following ratio of the specified components, wt % foam glass-ceramic granulate with a fraction of 1-5 mm 80-190, soda glass 100, sodium fluosilicate 16-18, fine serpentinite 11-13, tetrafurfuryloxisilane 2-3.EFFECT: improvement of material properties.2 tbl
ethod of producing heat-insulating structural material // 2637680
FIELD: chemistry.SUBSTANCE: in a method of producing a structural and heat-insulating material, comprising grinding the silicate-clay to a specific surface of 2500 cm2/g, mixing it with a modifier, a strengthening additive - portland cement, basalt microfibre and mixing water, placing the resulting mixture in a mould, heat treatment with microwave currents for 15 minutes at a temperature of 300°C, a water repellent agent 136-41 is used as a modifier in the following ratio components of the mixture, wt %: the said silicate block 65, hydrophobic agent 136-41 0.08, Portland cement 13, basalt microfiber 0.92, mixing water 21.EFFECT: improvement of physical and mechanical properties.1 tbl
Settable compositions containing non-expanded pearlite (versions) // 2637674
FIELD: construction.SUBSTANCE: implementation version of the present invention includes a settable composition containing ground non-expanded pearlite, pumicite, cement kiln dust, and water. Another implementation version of the present invention includes a settable composition containing ground non-expanded pearlite present in an amount of from about 1% to about 75% of the weight of the cementing components in the settable composition, the ground non-expanded pearlite having an average particle size from about 1 mcm to about 100 mcm, cement kiln dust, the ground mixture of cement and pumicite, and water. Another implementation version of the present invention includes a settable composition containing ground non-expanded pearlite present in an amount of from about 1% to about 75% of the weight of the cementing components in the settable composition, cement kiln dust, pumicite, and functional additives. The invention is developed in the dependent claims of the invention formula.EFFECT: increased efficiency of cementing.20 cl, 6 tbl, 6 ex
Heat-insulating solution of low density // 2637542
FIELD: chemistry.SUBSTANCE: heat-insulating solution with a low density, including a composite binder, perlite sand, comprehensive functional additives and water, characterised in that it comprises microspheres - foam polystyrene beads with a density of 10 kg/m3 and a diameter of not more than 5 mm; the composite binder consists of Portland cement, production waste of perlite sand with a specific surface of 3000 m2/kg and plasticiser MELMENT F10 with their ratio of 0.793:0.195:0.012 by weight and produced by joint grinding in a vortex jet mill BCM-01; as a cross-functional additives a pore-forming - ASCO 93 and a dispersible - GENAPOL PF 80 additives are used, with the following ratio of components, wt %: the composite binder - 10-14, microspheres - 7.8-9.8, perlite sand - 70-72, 93 pore-forming additive ASCO - 0.02, a dispersible additive GENAPOL PF 80 - 0.03, water - the rest.EFFECT: producing a heat-insulating solution of reduced density with a low coefficient of thermal conductivity, providing a high thermal protection and frost resistance of structural elements of buildings and structures.1 dwg, 2 tbl
Nanomodifier of construction materials // 2637246
FIELD: nanotechnology.SUBSTANCE: nanomodifier on a cement binder is described, comprising a mixture containing carbon nanomaterial (CNM), a filler and a plasticiser, wherein the CNM is introduced as an aqueous suspension that has been processed in an ultrasonic unit at an operating frequency of 16-25 kHz and a power of at least 100-500 W and containing potassium polititanate (PPT), CNM "Taunit" and polyvinyl pyrrolidone (PVP) with the following component ratio: potassium polititanate (PPT)-7-9×10-4%, carbon nanomaterial (CNM "Taunit") - 5-7% and polyvinyl pyrrolidone (PVP)- 1-1,6×10-3% weight of the cement binder.EFFECT: increasing the strength of concrete for compression and strength set at an earlier time, while simultaneous increasing the density, water resistance and crack resistance of construction composite.4 dwg, 3 tbl

ethod of producing heat insulator // 2636718
FIELD: technological processes.SUBSTANCE: method includes preparation of moulding mixture, moulding, polymerization and heat treatment, aging and cooling. The preparation of moulding mixture is carried out in three stages. At the first stage, a mixture is prepared based on aluminosilicate microspheres, aluminochromophosphate binder and curing catalyst. In the second stage, a mixture is prepared based on aluminosilicate microspheres and carbamide-furan resin. In the third step, homogenization of the two resulting mixtures is carried out by adding the first mixture portionwise to the second mixture, then forming by short-time shaking and gradual pressing of the mixture at a punch pressure of 1.5 MPa. Further, the polymerization is carried out at room temperature for 12 hours, the heat treatment is carried out in an oxygen medium by stepwise heating to 700°C for 16 hours under the following temperature regimes: the first 4 hours at a temperature of 100-150°C, the next 4 hours - at a temperature of 250°C, the next 4-5 hours - at a temperature of 400-500°C, remaining time - at a temperature of 700°C. Aging is carried out at a temperature of 700°C for 4 hours and cooling in the oven for 4-5 hours. Moreover, the optimal ratio of alumochromophosphate binder and carbamidefuran resin by volume is 70:30, and the ratio of volumes of binders and aluminosilicate microspheres is 1:6. The thermal conductivity is 0.089 W/(m⋅K), the compressive strength is 0.75 MPa, the density is 0.25 g/cm3.EFFECT: increase the efficiency of heat insulation characteristics and the life of material.1 dwg,1 tbl

Plastifying additive for building solutions // 2635420
FIELD: chemistry.SUBSTANCE: additive contains, wt %: calcium ammonium nitrate 44-45; potassium nitrate 35-38; superplasticizer - the rest, which is used as polycarboxylate - a water-soluble copolymer of unsaturated carboxylic acids and alkoxyalkylene polyglycol ethers of unsaturated carboxylic acids, produced by radical polymerization in the aqueous solution.EFFECT: increasing the workability, preserving the mobility and reducing the water demand.2 dwg, 4 ex
Cement setting activators for cement compositions and corresponding methods // 2635413
FIELD: chemistry.SUBSTANCE: cement compositions and methods of cement compositions application in subterranean formations are described. In one version of the invention, a method of cementing in a subterranean formation is provided, comprising: provision of a cement composition comprising water, pozzolan, slaked lime and a zeolite activator; and ensuring of the possibility of cement composition setting in an underground formation. The zeolite activator is located on the pozzolan surface. The invention is developed in subclaims.EFFECT: accelerated build-up of cement composition compressive strength.18 cl, 1 dwg, 6 tbl
Anti-dust mortar // 2635407
FIELD: chemistry.SUBSTANCE: mortar composition based on the binder includes, at least, an inorganic binder, an additive based on an organic carbonate of the formula R1-O-(CO)-OR2, containing, at least, 5 carbon atoms, in which R1 and R2, the same or different, are hydrocarbon radicals, alkyl or alkylene, linear or cyclic, optionally branched, saturated or unsaturated, cycloalkyl or aromatic, granules, aggregates and/or sand or other excipients. The invention is developed in dependent points of the formula.EFFECT: obtaining a durable and strong coating.14 cl, 1 tbl, 1 ex
Composition of water-resistant magnesium binder with zero-deformations (versions) // 2635309
FIELD: construction.SUBSTANCE: in the version based on magnesite, the mixture includes caustic magnesite, plasticiser C-3 and modifying additives: hydrolyzed polyacrylonitrile, microsilica, soda ash. In the version based on dolomite, the mixture includes caustic dolomite, plasticiser C-3 and modifying additives: hydrolyzed polyacrylonitrile, microsilica, soda ash, magnesium oxide.EFFECT: increased water resistance of the binder material and zero deformation of the hardening material is ensured with the use of a mineral siliceous additive, a plasticizing additive, the use of a soda ash mix as a pH regulator, using structural stresses in the hardening material of the polymerization additive hydrolyzed polyacrylonitrile as a water soluble powder.4 tbl, 2 cl
Crude mixture for producing brick // 2634953
FIELD: chemistry.SUBSTANCE: crude mixture for producing bricks contains, wt %: slag from the dump bauxite slurry 37.0-45.0; quartz sand 25.0-30.0; Portland cement 18.0-20.0; water 10.0-15.0.EFFECT: high frost-resistance of products made from the crude mixture.1 tbl
Glass-concrete mixture // 2634605
FIELD: chemistry.SUBSTANCE: glass-concrete mixture, including crushed glass, alkaline activator, and water, contains glass in the form of glass waste and/or window glass of the following fractions: ultrafine glass with an average particle size of not more than 5 microns; glass with a particle size of 30-60 microns; glass with a particle size of 0.15-1.5 mm, glass with a particle size of more than 1.5 mm, lime as an alkaline activator, ground by dry grinding together with the said ultrafine glass and/or glass with a particle size of 30-60 mcm, and further contains a polycarboxylate-based hyperplasticizer with the following component ratio in wt %: ultrafine glass with an average particle size of not more than 5 mcm 10.0-90.0, lime 1.8-20.0, a hyperplasticizer based on polycarboxylates 0.1-3.0 by weight of ultrafine glass, glass with a particle size of 30 -60 mcm 0-77.0, glass with a particle size of 0.15-1.5 mm 0-70.0, glass with a particle size greater than 1.5 mm 100.0 to 500.0 in excess of 100 of the above components, water over 100 of the above components to provide mobility of the moulding mixture.EFFECT: increasing the operational characteristics, utilisating waste.1 tbl

Decreasing impurity of cement compositions with slow shinding containing pemous and sulfur lime // 2634129
FIELD: chemistry.SUBSTANCE: cementing method involves the preparation of a cement composition with a delayed setting comprising water, pumice, slaked lime, a primary retarder and a secondary retarder, wherein the cementitious composition with a delayed setting is contaminated with a cementitious impurity in an amount of about 5 wt % of the pumice mass or less; storage of a cement composition with a delayed setting in a flowable state suitable for pumping over a period of time of about 1 day or more; Activation of mentioned cement composition with a delayed setting to obtain an activated cement composition; Introduction of an activated cement composition into a subterranean formation; and ensuring the possibility of setting the activated cement composition in an underground formation.EFFECT: reduced capital and operating costs.34 cl, 2 dwg, 5 tbl
Concrete mixture // 2633623
FIELD: construction.SUBSTANCE: concrete mixture including cement, fine aggregates, liquid modifier based on oil product waste and water, wherein cement is taken off-analysis of grades M150-M200, a solution of spent graphite grease in kerosene is injected as a liquid modifier in a mass ratio of 30:70, and ferromanganese flue dust with fraction of 0.14 mm is taken as a fine-dispersed aggregate at a ratio, wt %: off-analysis cement M150-M200 20.48-20.7, quartz sand (Mkr=2.5) 42.47-42.94, fine-dispersed ferromanganese flue dust fr.0.14 25.32-25.61, the solution of spent graphite grease in kerosene 0.37-1.46, water 10.27-10.38.EFFECT: increased strength properties of concrete mixture, utilisation of waste of metalworking and metallurgical industrial enterprises.3 tbl

Shellac coated particle of active ingredients with controlled release properties at high ph values, method of their production and their use // 2633467
FIELD: chemistry.SUBSTANCE: group of inventions refers to a coated particle of active ingredients, a method for its production and use as an additive to building mixtures, dry mortars, cement mortars and/or concretes. A coated particle of active ingredients with controlled release properties at pH values of 10 to 14, the particle has a coating that contains, at least, two layers in the form of a core/shell structure, where the active ingredient is contained in the core space, and where the active ingredient is selected from one or more chemical additives for construction works to regulate inorganic binders, and the coating contains crosslinked shellac.EFFECT: development of additive-accelerator with the properties of controlled release.14 cl, 12 dwg
Complex additive for concrete mixture // 2633016
FIELD: chemistry.SUBSTANCE: additive is described that includes a mineral carrier, a surfactant, further contains oily waste, and spent silica gel is used as a mineral carrier, which is the waste of the gas preparation plant for transportation, filter and absorbent waste materials - as surfactants, formed at the step of recycling vegetable oil refining process containing waste diatomite (diatomaceous earth) and plant waxes, with the following ratio of components, wt %: spent silica gel 14-22, waste mass 26-30, oily waste 52-56.EFFECT: increasing the strength of concrete, increasing the coefficient of salt resistance in a solution of sodium sulfate.2 tbl
Additive compatible with clay for chemicals applicable in construction industry // 2632868
FIELD: chemistry.SUBSTANCE: condensation product based on monomers. The monomers include: I) at least, one monomer having an aldehyde moiety; and II) at least, one monomer having a ketone moiety that carries, at least, one non-aromatic moiety, and wherein the condensation product comprises, at least, one moiety from the series of phosphono, sulfino, sulfo, sulfamido, sulfoxy, sulfoalkyloxy, sulfinoalkyloxy and phosphonooxy and/or their salts, the product is characterized in that the monomers further contain III) gallic acid. In addition, the manufacture and use of these condensation products in chemical products for the construction industry are disclosed.EFFECT: product, when used in building materials, provides only a slight colour change on the surface of solidified products, provides better compatibility with clays.15 cl
Self-compacting concrete mixture // 2632795
FIELD: construction.SUBSTANCE: concrete mix contains, wt %: portland cement 17.37-19, crushed stone of the fraction 5÷10 mm 34.75-38.38, sand of the fraction 0.16÷5 mm 23.43-25.45, sand of the fraction 0.16÷0.63 mm 10-11.07, metallic fiber "Chelyabinka" 1.26-2.21, metakaolin 0.55-1.27, superplasticizer on the polycarboxylate ether base 0.22-0.33, water-repellent silicone fluid based on sodium siliconates 0.02-0.04, mixing water 7.07-7.68.EFFECT: increasing the strength, frost resistance, water resistance and crack resistance of structures, increasing the mobility of the concrete mix.2 tbl, 1 ex
Crude mixture for producing building material // 2632595
FIELD: chemistry.SUBSTANCE: mixture contains, wt %: limestone ground before passing through sieve No. 2.5 - 53.0-57.0; phosphogypsum 32.0-34.0; granulated blast furnace slag ground before passing through sieve No. 2.5 - 11.0-13.0.EFFECT: increasing the strength of the building material.1 tbl

Two-component cement compositions with delayed setting // 2632086
FIELD: chemistry.SUBSTANCE: way of cementing includes: providing a pozzolanic suspension containing pozzolane and water in an amount of 33 wt % to 200 wt % by weight of pozzolan; providing a calcareous suspension containing slaked lime and water in an amount of 33 wt % to 200 wt % by weight of lime; providing the possibility of separate storage of pozzolanic suspension and calcareous suspension for about one day or more; mixing the pozzolanic suspension and the calcareous suspension to form a cement composition. Mass ratio of pozzolans for lime is from 10:1 to 1:1; and the possibility of setting cement compositions. The invention also relates to a method of fluid displacement in the underground reservoir and cementing system. The invention is developed in dependent claims of the formula of the invention.EFFECT: activation of cement compositions with delayed term of setting while maintaining an acceptable time and starts development of compressive strength.20 cl, 15 tbl, 3 dwg
Concrete mixture // 2632082
FIELD: chemistry.SUBSTANCE: concrete mixture including Portland cement, quartz sand, water, additionally contains cullet in the form of container or building glass with fractions of 0.16-10 mm, a photocatalytic additive of titanium dioxide, with the following component ratio, wt %: Portland cement M500 12.0-20.0; quartz sand 26,0-32,0; cullet 40.0-48.0; photocatalytic additive of titanium dioxide 0.15-0.45; water - the rest.EFFECT: obtaining of products with increased strength, increased frost resistance, photocatalytic properties.3 tbl

ineral composition based on mixed solid phase of calcium and magnesium carbonates and method of producing such composition // 2631818
FIELD: chemistry.SUBSTANCE: method for producing a mineral composition comprising a mixed solid phase of calcium and magnesium carbonates comprises the preparation a solid phase slurry in the aqueous phase comprising, at least, one calcium compound selected from calcium hydroxide, calcium carbonate and mixtures thereof, and, at least, one magnesium compound selected from magnesium oxide, magnesium hydroxide, at least, partially hydrated dolomitic lime and mixtures thereof. The solid phase weight is of 5 to 15% of the total slurry weight. Calcium and magnesium carbonates are produced by the action of carbon dioxide by injecting CO2 gas into the said slurry heated to 55-90°C. Flow rate of CO2 is of 2.5 to 15 dm3/min/kg of the solid slurry phase. A mixed solid phase of synthetic calcium and magnesium carbonates is produced, formed from a crystallizable calcium portion and a platelet-crystallized magnesium portion. The calcium portion comprises, at least, one carbonate selected from the group formed by calcite, aragonite, and mixtures thereof. The magnesium portion includes hydromagnesite in a plate form. The mixed solid phase has a bulk density of 250 kg/m3 or lower and 80 kg/m3 or higher.EFFECT: invention makes it possible to produce a heat insulating mineral material having a high porosity and a low density.27 cl, 11 dwg, 7 ex

Gypsum composition, gypsum suspension, gypsum hardened body, gypsum-based building material, gypsum board and method for manufacturing gypsum-based building material // 2631751
FIELD: construction.SUBSTANCE: means for problem solving: a gypsum composition, a gypsum suspension, a gypsum hardened body, a gypsum-based building material, a gypsum board and a method for manufacturing a gypsum-based building material are provided so that they include calcined gypsum and starch-urea phosphate.EFFECT: production of a gypsum hardened body with high strength without significant increase in the amount of added water when obtaining a gypsum suspension.6 cl, 6 tbl, 4 dwg
Concrete mixture // 2631741
FIELD: chemistry.SUBSTANCE: in a concrete mix comprising a multicomponent mineral binder, crushed stone from a blast-furnace slag of 5-20 mm fraction, quartz sand and water, a multicomponent mineral binder consists of, wt %: granulated blast-furnace slag ground to a specific surface of, at least, 4200 cm2/g 60-70, converter sludge ground to a specific surface of, at least, 4200 cm2/g 7-9, β-calcium sulfate hemihydrate from phosphogypsum screened through control screen No. 008-23-31, clinker - 10 of the sum of the above components, and further contains superplasticiser C-3 at the following mixing ratio, wt %: multicomponent mineral astringent 13.2-13.8, blast-furnace of 5-20 mm fraction 47.1-47.8, sand quartz 31.2-32.8, superplasticiser C-3 0.11-0.12, water - the rest.EFFECT: increased strength in compression and bending, reduced water demand.1 tbl
Crude mixture for producing building material // 2631733
FIELD: chemistry.SUBSTANCE: mixture contains, wt %: limestone ground before passing through sieve No.2.5 65.0-67.0; phosphogypsum 32.0-34.0; nylon fiber cut into segments of 2-6 mm 0.03-0.07.EFFECT: increasing the strength of the building material.1 tbl
Crude mixture for producing concrete // 2631719
FIELD: chemistry.SUBSTANCE: mixture contains, wt %: Portland cement 17.0-19.0; microsilica 0.5-0.9; basalt fiber up to 9 mm long 0.5-0.9; quartz sand 62.6-64.6; 3% aqueous solution of hydrogen peroxide 2.0-3.0; water 14.0-15.0.EFFECT: increased frost resistance.1 tbl
Refractory mixture // 2631717
FIELD: chemistry.SUBSTANCE: refractory mixture contains: liquid potassium glass with a density of 1300-1350 kg/m3 and a silicate module 3.6-4 and additionally - zircon, with the following ratio of components, wt %: the said liquid glass 38.0-41.0, kaolin 4.0-6.0, steel fibre 5-10 mm long 0.2-0.3, zircon ground before passing through sieve No.008 7.0-9.0, chamotte ground before passing through sieve No.063 - the rest.EFFECT: increasing the thermal resistance of the coating layer.1 tbl
Charge for producing refractory material // 2631281
FIELD: chemistry.SUBSTANCE: charge includes, wt %: liquid glass 9.2-9.8; sodium fluorosilicate 0.3-0.5; quartzite 20.5-22.0; iron scale 3.0-4.0; carborundum 3.9-4.7; dinas - the rest.EFFECT: increasing the heat resistance of the refractory material.1 tbl
Concrete mixture // 2630822
FIELD: chemistry.SUBSTANCE: concrete mixture contains, wt %: portland cement 25.0-27.0; quartz sand 42.94-47.9; polyethylene granules sieved through sieve No. 5 10.0-15.0; crumb of foam polyethylene sieved through sieve No. 10 0.06-0.1; water 14.0-17.0.EFFECT: increased strength.1 tbl
Raw mixture for concrete production // 2630820
FIELD: chemistry.SUBSTANCE: raw mixture contains, wt %: pozzolanic cement 16-20; crushed collet of red brick fraction of 20-40 mm 30.0-34.0; pyritic cinders 1.0-1.5; expanded clay gravel fraction of 5-10 mm 25.0-30.0; quartz sand 17.5-19.0.EFFECT: increased frost resistance.1 tbl

System and method for obtaining bound fiber mats // 2630485
FIELD: construction.SUBSTANCE: in accordance with the invention, continuous strands of a filament are pre-coated with molten thermoplastic. The pre-coated filaments are then laid on a tape to form a fibrous mat. The filaments can be laid in continuous segments, or they may be cut into discrete segments. After laying the filaments, they are heated to re-melt the thermoplastic and simplify the mutual binding of the intersecting fibers. The invention additionally relates to a system and method for introducing the resulting fibrous mats into a composite construction slab.EFFECT: creation of fibrous mats together with composite construction slabs.7 cl, 7 dwg
 
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