Portland cements (C04B28/04)

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
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
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
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
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
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
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
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
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
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
Road-building composite material based on drill cuttings // 2629634
FIELD: construction.SUBSTANCE: road-building composite material based on drill cuttings is characterized by the fact that it is prepared by mixing drill cuttings with moisture content of 50-60% obtained by drilling a well with service water of density 1300-1800 kg/m3, portland cement, fine aggregate (quartz sand) of 1.5-3 mm, depending on its content in the drill cuttings, addition of calcium chloride, water, based on the condition of required plasticity of mixture, depending on moisture content of drill cuttings with the following component ratio, wt %: drill cuttings 60-80, portland cement 10-20, fine aggregate 0-20, calcium chloride 3-5 (by mass of portland cement), water - the rest.EFFECT: increasing the strength of coatings and foundations of roads while reducing costs.2 ex
High-strength fine grain concrete on composite binder basis with application of technogenic raw material // 2627811
FIELD: construction.SUBSTANCE: high-strength fine grain concrete, based on a composite binder, using the technogenic raw materials quartzite sandstone contains the portland cement, an active additive, a filler, an aggregate, a plasticizing additive and water, the alumina cement and microsilica are used as the active additive, the technogenic raw material quartzite sandstoneas is used as the filler, the quartz sand and quartzite sand crushing screening are used as the aggregate, the hyperplasticizer Melflux 2651 F is used as the plasticizing additive and the water with the following ratio of components, %: the portland cement - 21.0-21.7, the alumina cement - 2.0-2.1, the microsilica - 2.0, the technogenic raw material quartzite sand - 1.6-1.9, the quartz sand - 20.5-21.0, the quartzite sandstone crushing screening 46.5-47.0, the hyperplasticizer Melflux 2651 F-0.2, the water - the rest.EFFECT: production of high-strength fine-grained concrete with the portland cement low consumption, low water absorption, while maintaining its high strength and density.1 tbl
Concrete mixture // 2627344
FIELD: chemistry.SUBSTANCE: concrete mix includes portland cement, aggregate, microsilica and water. The mixture contains highly active metakaolin, "Linamix PK" is taken as a superplasticiser with the following component ratio, wt %: portland cement - 19-20; medium natural sand - 67-68; microsilica - 0.8-1.81; highly active metakaolin - 0.5-1.08; superplasticizer "Linamix PC" - 0.1-0.2; water - the rest.EFFECT: decreased content of calcium hydroxide in the composition, leading to a reduction in corrosion of type I and II, and increased strength due to the introduction of pozzolanic additives and superplasticiser to the concrete mixture.2 tbl
Raw mixture for construction materials // 2627335
FIELD: construction.SUBSTANCE: raw materials for construction materials includes a cement, a filler, an aggregate and mixing water, containing the superplasticizer and the composite carbon nanomaterial, that is the agglomerates (from three up to three hundred) of carbon nanoscale quasi-one-dimensional filamentary formations of cylindrical shape polycrystalline graphite with internal channel mainly of two sizes 49.3±0.45 nm and 72.0±0.45 nm; with two types of fulleroid nanoparticles, localized on the surface of the filaments: a) polyhedral carbon nanoparticles with the closed internal channel of 1-5 nm in diameter; B) clusters of C60 and the active loose carbon with globes sizes of 1-5 mcm in the concentration of 10-9-10-6 wt %.EFFECT: increase of the concrete consistency, provision of high homogeneity and annual occurrence frequency of the consistency factor, strength, frost resistance and waterproofness of the resulting material.4 tbl, 2 dwg
Concrete mixture // 2625842
FIELD: construction.SUBSTANCE: concrete mixture contains portland cement, filler, water and compound additive comprising cement hardening retarder and accelerator of hardening molasses, with a placeholder used with the size of fractions 0-5 mm, 5-20 mm and 20-40 mm in the ratio 1:0.5:0.8, the next component ratio, wt %: Portland - 13.2-15.7; water - 7.6-9.1; complex additive - 0.795-1.092; -the rest is filler, and complex additive additionally contains a surfactant sodium laureth sulfate (SLES) as a curing accelerator use ferrous sulfate (FeSO4 7H2O), following the ratio of the wt %: hardening retarder molasses 0.4-0.6; curing accelerator ferrous sulfate (FeSO4 7H2O⋅) 0.385-0.476; surfactant sodium laureth sulfate (SLES) 0.01-0.016.EFFECT: increasing the durability of concrete mixture in 7 days of age with the improvement of technical parameters, in particular the deposits of a cone.1 tbl
Extra-strong fine grain concrete on basis of composition bonding substance with use of man-triggered raw material // 2625410
FIELD: construction.SUBSTANCE: extra-strong fine grain concrete on the basis of composition bonding substance with use of man-triggered grog refractory material contains portland cement, active additive, filler, aggregate, plasticizing additive and water; as an active additive, alumina cement and microsilica are used; as a filler grog refractory technogenic material with a specific surface of 450-500 m2/kg is used; as a filler fraction glass sand of 0.63-1.25 mm and the fraction quartzitic sandstone crushing out screening of1.25 mm is used; as a plasticizing agent hyperplasticizer Melflux 2651 F and water is used with the following ratio of components, wt %: portland cement - 20.0-21.0, alumina cement - 2.0-2.1, microsilica - 2.0, grog refractory technogenic material - 0.7-1.7, quartzitic sandstone - 20.5-21.5, screening of quartzite sandstone crushing out - 46.5-47.5, hyperplasticizer Melflux 2651 F- 0.2, water is the rest.EFFECT: invention makes it possible to produce extra-strong fine grain concrete with use of man-triggered grog refractory material as a filler, which has a low consumption of portland cement in the composition of the raw mix, low water absorption, while maintaining its high strength and density.1 tbl
Foam-cementing plugging material for boreholes fixation // 2623759
FIELD: oil and gas industry.SUBSTANCE: foam-cementing plugging material for boreholes fixation contains portland cement, hardener, hydroxyethyl cellulose, Howco Subs and water, wherein Howco Subs contains hydroxyethyl alcohols with a degree of hydroxyethyl 6-12 and the number of methylene groups 10-20 and the hardener - calcium nitrate, or calcium nitrite or calcium formate, besides, the material additionally contains the plasticiser - water-soluble sodium or calcium salts of sulfonated polycondensation products of naphthalene with formaldehyde or a water-soluble sodium or calcium salts of sulfonated polycondensation products of melamine with formaldehyde, with the following components ratio, wt. h: portland cement 100, hardener 1.0-3.0, hydroxyethyl cellulose 0.2-0.4, the mentioned Howco Subs 0.2-0.3, the mentioned plasticiser 0.2-0.3, water 45.0-48.0.EFFECT: improved performance of foam-cementing plugging material and improving the manufacturability of its use, obtaining of strong and durable foam-cementing contact with the rock and the casing string over the entire cementing range by improving the strength characteristics of the foam-cementing and improvement of its homogeneity, reduction of rheological and filtration properties of the foam-cementing solution, reduction of the hardening time, low corrosive activity of foam-cementing material.5 cl, 3 tbl, 1 ex
Concrete mixture // 2623743
FIELD: construction.SUBSTANCE: concrete mixture comprising portland cement, fine aggregate, water, further contains fiber, crushed and sieved through a No.5 sieve, in the form of a press material made on the basis of a cellulosic fabric impregnated with a resole phenol-formaldehyde resin, with the following component ratio, wt %: portland cement 22.0-26.0; fine aggregate 50.5-54.5; the noted fiber 3.0-10.0; water 16.5-17.5.EFFECT: increased strength.1 tbl
Raw materials mixture for producing macroporous concrete // 2621327
FIELD: construction.SUBSTANCE: raw materials mixture comprises Portland cement clinker, expanded clay of the fraction 8-10 mm, an additive - superplasticizer Melflux 1641f, a filler - ferrosilicon production waste, an aqueous polymer composition comprising polyhexamethylene in a concentration of 39.5-40.5%, and water at the claimed ratio of the components.EFFECT: improvement of physico-mechanical properties, increased compression and flexural strength of the macroporous concrete and increasing its biological resistance to the media of technophile microorganisms.2 tbl
Blend composition // 2619623
FIELD: construction.SUBSTANCE: blend composition is obtained from the mixture consisting of sandy soil, Portland cement, fine limestone with the specific surface of 260 m2/kg, an additive represented by the aqueous solution of polycarboxylate copolymers of methacrylic acid with the density of 1.02 g/cm3 and the hydrogen index of 5.0-6.0, at the following component ratio, wt %: sandy soil 79.74-80.45; Portland cement 8.24-8.53; said limestone 0.90-0.95; said additive 0.08-0.09; water 10.33-10.69.EFFECT: increasing the compressive strength of reinforced soil.1 tbl
Composition for producing lightweight architectural articles // 2618819
FIELD: construction.SUBSTANCE: composition for producing lightweight architectural articles, comprising Portland cement, granulated glass, microsilica in compacted form, a plasticizing additive and fiber, characterized in that it additionally contains dolomite flour, calcium formate, the fiber is represented by polypropylene fiber and fiberglass, the plasticizing additive is represented by Synergy RC 160 Plv plasticiser, at the following ratio of components, wt %: Portland cement 32.26-35.77, microsilica in compacted form 0.81-3.17, dolomite flour of the fraction up to 0.1 mm, 21.36-26.52, granulated foam glass with the size of fractions 0.1-4 mm 16.67-19.7, fiberglass with the length of 6 mm and the diameter of up to 14 microns 0.20-0.30, propylene fiber with the length6 mm and the diameter of up to 18 microns 1.21-2.03, a plasticiser Synergy RC 160 Plv 0.08-0.12, calcium formate 0.64-0.81, water 18-20.6, and the chemical microsilica composition, wt %: SiO2 86-90; Al2O3 0.6-0.8; Fe2O3 0.4-0.7; CaO 0.4-0.9; MgO 0.8-1.0; Na2O 0.6-0.8; K2O 1.2-1.4; C 0.9-1.2; S 0.2-0.3. The composition may additionally comprise a water-retention additive, which is represented by a non-ionic cellulose ether under the trade name Bermocoll E230X, in the amount of 0.05 to 0.08 wt %.EFFECT: increasing the compressive strength and the bending strength with less weight of the finished product, ensuring non-combustibility.2 cl, 2 tbl
High-strength concrete // 2616964
FIELD: construction.SUBSTANCE: high-strength concrete of a mixture consisting of Portland cement, silica sand, crushed granite, fine filler, additive and water contains quartz sand with a fineness modulus of 2.2 as sand, crushed granite with a fraction of 5-20 mm as crushed stone, fine limestone with a specific surface area of 260 m2/kg as a fine filler, and an aqueous solution with a density of ρ=1.030 g/cm3 and a pH value of 5.5 as an additive. The solution consists of a polycarboxylate polymer based on methacrylic acid with a density of ρ=0.95 g/cm3 and a pH value of 7.0, of polycarboxylate polymer based on allyl ether and maleic acid anhydrite with a density of ρ=1.03 g/cm3 and a pH value of 7.0, of sodium gluconate, calcium chloride and water in the following mass ratio, wt %: polycarboxylate polymer based on methacrylic acid with a density of ρ=0.95 g/cm3 and a pH value of 7.0 to 12.0-15.0, polycarboxylate polymer based on allyl ether and maleic acid anhydrite with a density of ρ=1.03 g/cm3 and a pH value of 7.0 to 11.6-12.0, sodium gluconate - 2.9-3.0, calcium chloride - 1.4-1.5, and water - 69.1-71.5. Wherein the mass ratio, wt %, of the high-strength cement is as follows: portland cement - 15.0-18.0, specified sand - 30.25-31.25, specified crushed stone - 41.21-42.71, specified limestone - 2.15-2.25, specified additive - 0.15-0.17 and water - 8.24-8.62.EFFECT: lowered abrasion of high-strength concrete.1 tbl, 1 ex
Raw mix for protective coating // 2616948
FIELD: construction.SUBSTANCE: raw mix for the protective coating consisting of Portland cement, a filler, fine limestone, additives and water, contains sand with a fraction of 0.315 mm as a filler, fine limestone with a specific surface area of 260 m2/Kg, an additive with a density of 1.027 g/cm3 and a pH value of 8.5, consisting of aluminium hydroxide sol, aluminium sulfate and water in the following ratio, wt %: aluminium hydroxide sol 50-55, aluminium sulfate 30-33, water 15-17. Wherein the raw mix has the following ratio, wt %: Portland cement 36.5-37.9, specified sand 36.0-36.5, specified limestone 7.75-8.12, specified additive 0.15-0.18 and water 18.2-18.7.EFFECT: increased bending tensile strength.1 tbl
Nanomodified concrete // 2616205
FIELD: construction.SUBSTANCE: the nanomodified concrete is obtained from a mixture of Portland cement, fractionated sand, water and nanoadditive presented by nanoscale silica with a specific surface area of 300 m2/g and a superplasticizer based on polycarboxylate ethers in the following ratio, wt %: Portland cement - 25.124-27.227; sand with a fraction of 5-2.5 mm - 6.126-6.239; sand with a fraction of 2.5-1.25, 0.63-0.315 and 1.25-0.63 mm - 15.316-15.6; sand with a fraction of 0.315-0.16 mm - 9.19-9.36; superplasticizer based on polycarboxylates ethers - 0.041-0.045; specified nanoadditive - 0.304-0.334; water - the rest.EFFECT: Effect: increased compressive strength at the age of 28 days and improved durability of concrete due to protection from internal corrosion leakage of the concrete by reducing relative expansion deformations of it down to 0,04.1 tbl
Raw mix for protective coating // 2616204
FIELD: construction.SUBSTANCE: raw mix for protective coating containing portland cement, a filler, fine limestone, additives and water, consists of sand with a fraction of 0.315 mm as a filler, of fine limestone with a specific surface area of 260 m2/kg, additive with a density of 1.032 g/cm3 and a pH value of 6.0 which includes aluminium hydroxide sol, silicic acid sol and water in the following mass ratio, wt %: aluminium hydroxide sol 30-38; silicic acid sol 40-50; water 17-20. The raw mix has the following mass ratio, wt %: portland cement 31.4-36.0; specified sand 40.0-40.6; specified limestone 6.0-6.5; specified additive 1.0-1.1 and water 17.0-17.7.EFFECT: improved crack resistance and increased adhesive strength of the protective coating to the surface of the rock.2 tbl
High-strength concrete // 2616202
FIELD: construction.SUBSTANCE: high-strength concrete of a mixture consisting of portland cement, silica sand, crushed granite, additive and water, contains quartz sand with a fineness modulus of 2.2 as sand, crushed granite with a fraction of 5-20 mm as crushed stone and an aqueous solution with a density of ρ=1.035 g/cm3 and a pH value of 6.5 as an additive. The aqueous solution consists of a polycarboxylate polymer based on methacrylic acid with a density of ρ=0.95 g/cm3 and a pH value of 7.0, of polycarboxylate polymer based on allyl ether and maleic acid anhydrite with a density of ρ=1.03 g/cm3 and a pH value of 7.0, of 40% aqueous solution "Russian glyoxal", of alumina sulfate, aluminium hydrate sol and water in the following mass ratio, wt %: polycarboxylate polymer based on methacrylic acid with a density of ρ=0.95 g/cm3 and a pH value of 7.0 to 10.0-13.0, polycarboxylate polymer based on allyl ether and maleic acid anhydrite with a density of ρ=1.03 g/cm3 and a pH value of 7.0 to 10.0-11.0, 40% aqueous solution "Russian glyoxal" - 3.0-3.5, alumina sulfate - 1.5-1.8, aluminium hydrate sol - 1.5-2.0 and water - 71.0-71.7. Wherein the mass ratio, wt %, of the high-strength cement is as follows: portland cement - 14.32-16.32, specified sand - 32.72-33.22, specified crushed stone - 44.15-45.13, specified additive - 0.12-0.14 and water - 6.69-7.19.EFFECT: increased compressive strength and frost resistance.1 tbl
Blend composition // 2616031
FIELD: construction.SUBSTANCE: blend compositions of raw mix consisting of sandy ground, filler presented by electric filter ash with a specific surface area of 380 m2/kg and fine limestone with a specific surface area of 260 m2/kg, an additive presented by aqueous solution with a density of ρ=1.025 g/cm3 and a pH value of 5.0 and including polycarboxylate copolymers of metacrylic acid with a density of ρ=0.95 g/cm3 and a pH-value of 7.0±0.5, which are modified by calcium chloride at the following mass ratio of additive elements, wt %: polycarboxylate copolymer of metacrylic acid with a density of ρ=0.95 g/cm3 and a pH value of 7.0±0.5 - 20.0-22.0; calcium chloride of 1.8-2.0, water - 76.2-78 at the following composition mass ratio, wt %: sandy ground - 76.50-77.0, Portland cement - 11.05-11.25, specified limestone - 0.20-0.22, specified ash - 1.95-2.02, specified additive - 0.09-0.11, water - 9.71-9.9.EFFECT: increased bending tensile strength of improved soil.1 tbl
High-strength concrete // 2614177
FIELD: construction.SUBSTANCE: high-strength concrete of mixture comprising Portland cement, quartz sand, granite breakstone, an integrated filler, an additive and water, in which the sand is represented by the quartz sand with the fineness modulus of 2.2, the breakstone - by the granite breakstone with the fraction of 5-20 mm, the integrated filler - by the integrated filler with the specific surface of 320 m2/kg, consisting of limestone and electrofilter ash at the following ratio of components, wt %: limestone 10-15; electrofilter ash 85-90; and the additive is represented by the water solution with the density ρ=1.032 g/cm3 and the hydrogen index pH=5,5, consisting of a polycarboxylate polymer based on methacrylic acid with the density ρ=0.95 g/cm3 and the hydrogen index pH=7.0; a polycarboxylate polymer based on allyl ether and maleic acid anhydride with the density ρ=1.03 g/cm3 and the hydrogen index pH=7.0; 40% aqueous solution "Russian glyoxal", calcium chloride and water at the following ratio of components, wt %: the polycarboxylate polymer based on methacrylic acid with the density ρ=0.95 g/cm3 and the hydrogen index pH=7.0 - 10.0-17.0; the polycarboxylate polymer based on allyl ether and maleic acid anhydride with the density ρ=1.03 g/cm3 and the hydrogen index pH=7,0 - 13,0-17,0; 40% aqueous solution of "Russian glyoxal" - 3.5-4.0; calcium chloride 5.5-7.0; water - 61.0-62.0, with the following ratio of components of high-strength concrete, wt %: Portland cement - 13.5-16.0; said sand - 31.0-31.5; said breakstone - 45.03-46.53; said filler - 1.23-1.43; said additive - 0.13-0.14; water - 6.61-6.9.EFFECT: increasing waterproofness.1 tbl
Raw material mixture for manufacturing fine-grained concrete // 2613065
FIELD: construction.SUBSTANCE: invention relates to manufacturing fine-grained concretes which can be used for the erection of greenhouses and other structures, mainly for agricultural purposes. The raw material mixture for tmanufacturing fine-grained concrete contains, by wt %: Portland cement 28.0-30.0; ash from coal combustion 55.3-58.5; superplasticizer "C-3" 0.5-0.7; silicate glass ground and sieved through sieve №063 9.0-12.0; electrocorundum sieved through sieve №5 2.0-4.0, with the water-cement ratio of 0.4-0.5.EFFECT: increasing the concrete strength.1 tbl
Crude mixture for making concrete // 2611658
FIELD: chemistry.SUBSTANCE: crude mixture for concrete manufacture contains, in wt %: 17.2-20.3 of cement; 62.0-64.0,0 of andesite flour; 1.1-1.3 of C-3 superplasticizer; 14.0-15.0 of water; 2.2-2.4 of polyethylenesyloxan.EFFECT: low cement consumption while preserving properties of the concrete.1 tbl
Concrete mixture // 2611657
FIELD: construction.SUBSTANCE: concrete mixture contains, by wt %: slag cement 25.0-30.0; ash filler 48.8-57.7 sifted through a sieve №5; said expanded clay sand 3.0-5.0; technical modified lignosulfonate 0.2-0.3; water 14.0-16.0.EFFECT: increasing the concrete strength.
High-strength concrete // 2610488
FIELD: chemistry.SUBSTANCE: invention refers to building materials and may be used in civil, industrial and road construction and in monolithic production of facilities and roadway covering. High-strength concrete of the mixture including Portland cement, quartz sand, granite breakstone, water and additive in the form of aqueous solution consisting of the mixture of polycarboxylate polymers: polycarboxylate polymer based on methacylic acid with density ρ=0.95 g/cm3 and hydrogen ion exponent pH=7.0; polycarboxylate polymer based on allyl ester and maleic acid anhydrite with density ρ=1.03 g/cm3 and hydrogen ion exponent pH=7.0; sodium gluconate and water, contains quartz sand with fineness modulus Mf=2.2 and granite breakstone of 5-20 mm fraction, contains additionally fine-ground limestone with specific surface of 260 m2/kg, aqueous additive solution additionally contains silicic acid sol with density ρ=1.012 g/cm3 and hydrogen ion exponent pH=4.0; aluminum hydroxide sol with density ρ=1.013 g/cm3 and hydrogen ion exponent pH=9.0, with the following ingredient ratio, wt.%: polycarboxylate polymer based on methacylic acid with density ρ=0.95 g/cm3 and hydrogen ion exponent pH=7.0-9.5 -14.0; polycarboxylate polymer based on allyl ester and maleic acid anhydrite with density ρ=1.03 g/cm3 and hydrogen ion exponent pH=7.0-10.5 -13.0; sodium gluconate - 2.5-3.0; silicic acid sol with density ρ=1.012 g/cm3 and hydrogen ion exponent pH=4.0-4.5 - 5.0; aluminum hydroxide sol with density ρ=1.013 g/cm3 and hydrogen ion exponent pH=9.0 - 6.5-7.0; water - 62.0-62.5 with the following component ratio of high-strength concrete, wt.%: Portland cement - 14.9-16.7; above sand - 28.0-28.4; above breakstone - 45.4-46.0; above limestone - 2.0-2.2; above additive - 0.2-0.22; water - 7.7-8.28.EFFECT: increased tensile strength and bending strength.1 tbl
Raw material mixture for manufacturing that imitates natural stone // 2610019
FIELD: building.SUBSTANCE: invention relates to the production of artificial materials that simulate natural ones. The raw material mixture for the production of the material, which imitates natural stone includes, by weight. %: 1.0-4.0 of coal dust; 17.0-23.0 of Portland cement or Portland slag cement; 58.0-65.0 of milled and sieved through a sieve №008 silicate glass; 15.0-17.0 of water.EFFECT: raw meal, which increases the strength of the material, imitates natural stone.1 tbl
Composition of mixture of high-strength concrete // 2609784
FIELD: construction.SUBSTANCE: invention relates to a composition of a crude mixture for producing high-strength concrete and can be used in production of construction materials. Composition of crude mixture for producing high-strength concrete contains portland cement, aggregate, silica-containing component, super plasticiser based on polycarboxylate ether and water, aggregate is a mixture of fractions of quartz sand with particle size from 0.1 to 0.4 mm and 0.4÷1.2 mm, silica-containing component is microsilica, composition additionally contains diabasic flour and dispersion reinforcing component in following ratio of components, wt%: portland cement 29–33, quartz sand fraction 0.4÷1.2 mm 30÷33, quartz sand fraction 0.1÷0.4 mm 8÷10, microsilica 8÷10, microfiller 8÷10, dispersion-reinforcement component 1.5, plasticiser 1.5÷2, water 5.5–6.0.EFFECT: high strength, water impermeability and frost resistance of concrete.1 cl, 3 tbl
Water redispersible powder coating composition // 2609468
FIELD: chemistry.SUBSTANCE: invention relates to coating compositions, among others, to powdery redispersible compositions for production of heat-resistant and protective/decorative coatings for metal, concrete and reinforced concrete substrates. The water redispersible coating contains portland cement, an inorganic pigment, hydrophobic additive, cement curing agent, silicate, diphenylol-propane-formaldehyde oligomer as an individual polymer binder or in combination with a redispersible polymer, curing agent for diphenylol-propane-formaldehyde oligomer, dispersant, anti-caking agent, defoamer, wetting agent, water retaining agent, thickener, mica and stabiliser. The said coating is stable, ready to use when mixed with water, and environmentally friendly as it does not contain any preservatives and toxic solvents.EFFECT: coating composition of the invention provides good corrosion protection, good adhesion and has high mechanical strength.16 cl, 2 tbl, 10 ex

Wood-cement mixture for making building blocks // 2605110
FIELD: construction.SUBSTANCE: invention relates to wood-cement mixtures, which contain inorganic binding and used for fabrication of building blocks in low-height construction. Wood-cement mixture for building blocks comprises softwood shavings, cement, liquid glass, calcium chloride, polypropylene fibres, foam polystyrene granules and talcum peach in form of particles with size of up to 500 mcm, including up to 0.02 % of particles with size below 0.5 mcm, at ratio of components, wt%: portland cement 38.4-45.4; sawdust 45-52; calcium chloride 2-9; liquid glass 3-10; talcum peach 4-11; granular foamed polystyrene 0.5-2; polypropylene fibres 0.1-0.2, wherein addition of water to mixture is made until achieving water-cement ratio of 0.7-1.1.EFFECT: technical result consists in improvement of ecological compatibility and strength of material.1 cl, 2 tbl
Self-hardening fine-grained concrete mixture // 2603991
FIELD: construction.SUBSTANCE: invention relates to fine self-sealing concrete mixture and can be used for repair works and for embedment of joints of prefabricated reinforced concrete structures, including prestressed: beams, supports, bridge plates, densely reinforced surfaces and, in particular, for remote areas of structures, where technology requires increased fluidity at stage of application and high early strength. Fine-grained self-hardening concrete mixture is prepared by mixing water with Portland cement with specific surface area of 360 m2/kg, quartz sand with fineness modulus MCD= 1.9 and quartz filler with specific surface area of 100 m2/kg at solid-water ratio of 0.112-0.128 and stirring till achieving homogeneity with subsequent addition of superplasticizer into produced mixture, which is based on polycarboxylate ether Glenium® ACE 430 and hardening Accelerator X-SEED 100® based on calcium hydrosilicate suspension and stirred till its consistency is monolithic with following ratio of said components in wt%: said Portland cement 44.2-44.7, said quartz sand 33.1-39.1, said quartz filler 5.6-11.1, said superplasticiser 0.3-0.4, said hardening accelerator 0.2, water 10-11.1.EFFECT: production of self-hardening fine-grained concrete mix providing concrete strength class at compression of no less than B 35 on third day of hardening, which can be used for accelerated construction of concrete structures and emergency repair of hard-to-reach areas of structures.1 cl, 1 tbl

Composition for injection solution // 2603989
FIELD: construction.SUBSTANCE: invention relates to construction, namely to compositions for injection fixing of loess soils in base of existing and constructing buildings and structures. Invention enables to obtain soil-concrete arrays with high strength properties (up to 25 MPa) and high water resistance at maximum replacement (up to 80 %) with local raw material of expensive import product OTDV “Microdur”, which reduces costs and increases efficiency, when performing injection works on fixing loess subsiding soils.EFFECT: technical result is reduction of costs and higher efficiency due to high strength and water resistance of soil-concrete array, fixed with solution on basis of binder component, with maximum reduction of expensive import product OTDV “Microdur” and filler of local raw material, which is cement kiln dust.1 cl, 1 tbl

Composition for road construction // 2603682
FIELD: roads.SUBSTANCE: invention relates to road construction and can be used for arrangement of bases and topping of roads. Composition for road construction contains a mineral binder, filler, water and chemical additives such as octyltriethoxysilane / octyltriethoxysilane emulsion and an aqueous solution of copolymer based on polyoxyethylene derivatives of unsaturated carboxylic acid/carboxylate polyether, in the following proportions, wt%: portland cement - 6-12, filler - 72-88, octyltriethoxysilane/emulsion octyltriethoxysilane - 0.005-0.04, aqueous solution of copolymer based on polyoxyethylene derivatives of unsaturated carboxylic acid/carboxylate polyether - 0.02-0.20, water - 4.83-17.94.EFFECT: high frost resistance and strength of materials from soil, sand and macadam-sand mixtures, as well as economic efficiency of construction.1 cl, 1 tbl, 1 ex

Heavy concrete using dolomite wastes // 2603316
FIELD: construction.SUBSTANCE: invention relates to construction industry, specifically to production of modified cost-effective heavy concrete based on dolomite production wastes. Heavy concrete contains, wt%: portland cement 33-37, sand 43-45, crushed stone 10-12, dolomite wastes 10-12 (from weight of cement), plasticiser 0.45-0.55, water - balance.EFFECT: technical result consists in improvement of strength and recycling wastes of mineral raw material.1 cl, 1 tbl

Dry adhesive cement-based mixture // 2602458
FIELD: construction.SUBSTANCE: invention relates to dry adhesive cement-based mixture used as tile glue to perform facing work of outer fronts and internal walls of buildings with ceramic tiles. Mixture contains Portland cement, quartz sand, a plasticizer, polymer and a mineral additive and additionally contains as mineral additive synthesized aluminosilicates obtained by sedimentation from liquid glass with silica modulus 2.8 introduction of 15 % solution of technical aluminium sulphate Al2(SO4)3 with subsequent washing with distilled water of obtained sediment and drying at temperature t = 5±105 °C during 24 hours with subsequent grinding into particles sized 5.208-5.704 µm, as polymer additive-Neolith p 4400, as plasticizer Kratasol LFM in the following proportions, wt%: Portland cement M400 53.07-60.05, silica sand, in fractions, mm: 0.630-0.315 23.54-26.67, 0.315-0.14 5.89-6.67, synthesized aluminosilicates with sizes 5.208-5.704 µm 6.05-15.92, additive Kratasol LFM 0.28-0.79, additive Neolith p 4400 0.28-0.79.EFFECT: technical result is higher adhesion strength and compression strength, reduced slipping down of tiles.1 cl, 7 tbl

Water-repellent granulated filler based on silica raw material for concrete mixture, composition of concrete mixture for making concrete construction articles, method of producing concrete construction articles and concrete construction article // 2602436
FIELD: construction.SUBSTANCE: group of inventions relates to production of construction materials and can be used for production of concrete construction articles, subjected to heat and moisture treatment during hardening. Water-repellent granular aggregate for concrete mixture is made in form of granules with size of 0.315-1.25 mm, consisting of core and shell, where core is produced by mixture granulation of jointly ground to specific surface of 250-450 m2/kg of silica-containing component, gaize or flue ash, water-repellent agent, calcium stearate or GKZh-11 BSP, and alkali metal hydroxide, sodium hydroxide in their weight ratio of 0.840-0.949:0.001-0.010:0.05-0.15 with binder, of sodium silicate aqueous solution with density of 1.2-1.3 g/cm3, and protective shell on core surface is formed by its powdering in dry powdered environment of Portland cement or Portland-slag cement with subsequent hardening to strength not less than 0.12 MPa. Concrete mixture for making construction articles contains, wt%: said filler 10-40, binder 15-25, quartz sand 30-50, Polyplast SP-1 0.05-0.15, water - the rest. Method of concrete construction articles producing involves mixing components of said mixture, construction articles moulding, maintenance in molds and heat and moisture treatment under atmospheric pressure and temperature of 70-90 °C. Concrete construction article, produced using said method.EFFECT: technical result is higher strength, water resistance, decreased concrete construction articles water absorption and efflorescence formation on concrete articles surface.4 cl, 1 tbl, 1 ex

Hydraulic binder with low clinker content // 2602248
FIELD: technological processes.SUBSTANCE: present invention relates to hydraulic binder involving the parts by weight: (a) from 20 to 60 parts of portland cement clinker; (b) 20 to 40 parts of slag; and (c) from 5 to 60 parts of inorganic material different from the clinker and slag; wherein sum of (a), (b) and (c) equals 100 parts; while binder additionally contains slag activator including on 100 parts of the sum of (a) and (b): from 1.4 to 6.55 parts of alkali metal salt in an equivalent of Na2O; and from 1.1 to 11.0 parts of calcium sulphate in an equivalent of SO3. Invention also relates to hydraulic composition and method of its production, to shaped product and use of the hydraulic composition. Invention is developed in subclaims.EFFECT: strength increase during 24 hours after preparation and reduced carbon dioxide emission after 28 days.1 cl, 2 tbl
 
2551188.
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