RussianPatents.com
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Concrete mixture. RU patent 2288199. |
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FIELD: production of concrete. SUBSTANCE: concrete mixture comprise, in mass %, 6-12 of Portland cement, 4-6 of fly ash, 35-40 of metallurgical slag, 35-40 refuse dump rock reduced to ash, and water. EFFECT: enhanced strength of concrete. 2 tbl
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Building mortar / 2283817 Invention relates to compositions of building mortars with elevated viability and frost resistance for laying constructions with bricks, concrete stones, and light-rock stones. Building mortar composed of Portland cement (14.0-18.0%), sand (64.0-69.0%), and water further contains 0.003-0.2% sodium chloride and 0.8-2.5% fatty acid derivatives, in particular, alkali effluent from vegetable oil production containing 0.1 to 0.7% free alkali. |
Concrete mixture / 2282601 Invention relates, in particular, to preparing monolith concrete or ferroconcrete used in civil and industrial building. The concrete mixture comprising sand and crushed stone as a filling agent, a plasticizing agent, cement and water involves additionally the technological additive representing product of interaction of triethanolamine and higher unsaturated fatty acids or their mixtures with saturated fatty acids wherein the content of unsaturated fatty acids is 80%, not less, in the mole ratio of triethanolamine to higher unsaturated fatty acids from 1:0.8 to 1:1.35 in the following composition of the concrete mixture, kg/m3, cement, 350-362; sand, 735-770; crushed stone, 1072-1120; water, 168-181; plasticizing agent, 0.35-0.60, and indicated additive, 0.0006-0.008% of cement mass. Invention provides enhancing degree of concrete density and durability of concrete constructions, effectiveness of foam quenching and acceleration of concrete hardening for the first days. |
Raw material mixture / 2278840 Proposed raw material mixture includes Portland cement, filler, sand, complex additive and water; used as filler is dolomitized limestone at specific surface Sspec.= 200 m2/kg including 35% of MgCO3; used as sand is granite crumb at size of grain of 0.8-1.4 mm; used as complex additive is 20-% solution of sol of orthosilicic acid at pH=3.0-4.0, modified calcium formate Ca(CHOO)2 and plasticizing agent C-3 at the following ratio of components, mass-%: 20-% solution of sol of orthosilicic acid at pH= 3.0-4.0, 40.45-41.67; calcium formate Ca(CHOO)2, 6.25-6.50; plasticizing agent C-3, 52.08-53.05 at the following ratio of components of raw material mixture, mass-%: Portland cement, 38.08-42.04; filler - dolomitized limestone, 3.98-4.20; sand, 38.99-41.25; additive, 0.38-0.43; water, 14.61-16.04. |
Method for controlling of concrete mixture air-entraining / 2278085 Claimed method includes additive introducing together with tempering water. As said additive complex organomineral mixture based on saponified lignine and fine material from cement production waste is used. Paste lignine is previously mixed with cement dust in the mass ratio of paste saponified lignine 40-50; cement dust 50-60; mixture is granulated, dried at 60-70°C up to constant mass and introduced into concrete mixture in amount of 0.003-1.2 % based on cement mass. |
Raw mixture / 2278084 Claimed mixture contains (mass %): lime 3.93-5.0; limestone 4.74-5.0; and water 14.50-14.57; and additionally in contains Portland cement 34.66-35.09; sand with specific surface of 200 m2/kg 40-86-41.14; and 20 % solution of orthosilicic acid H2SiO4 with pH 3.1-4.0 as additive 0.24-0.27. |
Method of production of concrete or mortar with vegetable filler / 2277071 Proposed method consists in production of concrete or mortar on base of vegetable filler, mineral binder, non-hydrogenated fine-ground mineralizer and tempering water with the use of vegetable filler containing considerable amount of fibrous particles, 0 to 5 mm in diameter and 5 to 40 mm in length or lesser than 5 mm. Mineral binder is added to cubic meter of vegetable filler in the amount of 180 to 400 kg per vegetable filler. In tempering the concrete or mortar, non-hydrogenated fine-ground mineralizer is added in the amount of 4 to 14 kg per cubic meter of vegetable filler; ratio of mixture of mineralizer and tempering water is equal to 25-50 kg per 1000 kg of tempering water. Proposed method ensures enhanced heat insulation, sound absorption, tensile strength at bending and compressive strength. |
Method for preparing mortar / 2275344 Method for preparing mortar involves preliminary treatment of small filling agent with hydrochloric acid solution and the following its stirring with Portland cement and water wherein glauconite sand as enrichment waste in phosphorite manufacture is used as a small filling agent and taken in the amount 67 wt.-%. The indicated treatment is carried out with 0.03-0.3% hydrochloric acid solution and the following washing out with water and dehydration. Time of this treatment is 5-10 min. Invention can be used in preparing mortars. Invention provides reducing content of natural radionuclides in mortar, decreasing treatment time of filling agent, enhancing limit of strength and compression limit values. |
Composition for paving slab production / 2272860 Composition comprises cement, crushed stone, sand, plasticizer and water. The plasticizer is oil-containing sludge. All above components are taken in the following amounts (parts by weight): cement - 450, sand - 100-560, crashed stone - 1000, oil containing sludge - 100-560, water - 150. Oil containing sludge comprises oil products in amount of not more than 200 g/kg. |
Concrete mixture / 2272796 The invention is pertaining to the field of building materials industry, in particular, to production of concrete mixtures for manufacture of the building constructions operating under conditions of action of aggressive working environments. The technical result is an increased chemical resistance of the concrete used in the aggressive mediums. The concrete mixture containing Portland cement, sand, grit, a complex additive and water, includes as the complex additive a liquid phase of the polymeric-sulfatic waste of Thiokol production at the following components ratio (in mass %): Portland cement - 10.4-11.0, sand - 28.2-28.4, grit - 54.7-55.4, the waste of the thiokol production - 0.4-0.8, water - the rest. |
Concrete mix / 2272013 Object of invention are special refractory concretes based on Portland cement and slag aggregates, which concretes can be used in manufacture of heat assemblies operated under prolonged high-temperature and sharp temperature gradient conditions. Concrete mix contains 16-22% Portland cement, 10-20% alumina hydrate in the form of production waste, 28-36% sand slag-pumice fraction up to 5-20 mm, broken slag fraction 5-20 mm, 0.5-1.5% super-plasticizer S-3, and water, said alumina hydrate being waste coming from synthetic rubber production or from radio component plant, namely from manufacture of electrolytic condensers in the form of aluminum foil etching waste. |
Concrete mixture / 2288198 Concrete mixture comprises, in mass %, 20-22 of Portland cement, 43-44 of quartz sand, 3.5-5 of mineral fiber, and water. |
Silicate mixture / 2285681 Invention relates to a silicate mixture comprising water glass, modifying additive and quartz sand wherein it comprises potash and sodium silicofluoride as a modifying additive in the following ratio of components, wt.-%: water glass, 36.4-36.6; sodium silicofluoride, 7.25-7.3; potash, 1.2-1.85, and quartz sand, 54.5-54.9. Invention can be used in making bistable building materials and articles, for examples, mastics, pastes, articles of cellular structure. Invention provides enhancing the biological stability of compositions and retaining the sufficient strength. |
Chemical additive for cement concretes and building mortars / 2284973 Additive suitable for use in cement concretes and building mortars contains, wt %: sodium chloride 60.0-75.0, potassium sulfate 0.001-0.012, calcium sulfate 0.005-0.025, magnesium sulfate 0.001-0.012, and balancing amount of industrial-grade lignosulfonates with content of reducing substances no higher than 8%. Amount of additive needed to be added is lower by 0.3-0.5% based on the weight of cement. |
Method of preparing foaming agent and foaming agent prepared by this method / 2284308 Invention relates to preparation of building mortars using foaming agent based on animal-origin protein material and can be employed in manufacture of parts needed in construction of buildings from foamed concrete. In a foaming agent preparation method comprising hydrolysis of animal-origin raw material in presence of alkali to form extract, neutralization of extract with a strong acid, salitization of the strong acid and subsequent dehydration, neutralization of extract is followed by cooling and dehydration by way of mixing cooled extract with dispersant taken in weight proportion to extract between 1:20 and 1:100 and drying mixture to achieve moisture content not higher than 5%. It is advantageous to use dispersant with specific surface 350-1000 m2/m3. Such dispersant can be any mineral and/or organic substance showing dispersing and sorption properties: finely ground minerals, e.g. chalk; mineral fibers, e.g. basalt fiber; various silica-containing substances, e.g. microsilica, silica gel, white black, finely ground pane or packaging glass, finely ground clay; alumina-containing substances, e.g. α-corundum; titanium dioxide; zinc dioxide; as well as wood flour, textile dust, finely crushed rubber, and disintegrated woodworking and pulp-and-paper industry wastes, e.g. scope; and mixtures of dispersed substances, including those listed above. |
Method of preparing foaming agent and foaming agent prepared by this method / 2284308 Invention relates to preparation of building mortars using foaming agent based on animal-origin protein material and can be employed in manufacture of parts needed in construction of buildings from foamed concrete. In a foaming agent preparation method comprising hydrolysis of animal-origin raw material in presence of alkali to form extract, neutralization of extract with a strong acid, salitization of the strong acid and subsequent dehydration, neutralization of extract is followed by cooling and dehydration by way of mixing cooled extract with dispersant taken in weight proportion to extract between 1:20 and 1:100 and drying mixture to achieve moisture content not higher than 5%. It is advantageous to use dispersant with specific surface 350-1000 m2/m3. Such dispersant can be any mineral and/or organic substance showing dispersing and sorption properties: finely ground minerals, e.g. chalk; mineral fibers, e.g. basalt fiber; various silica-containing substances, e.g. microsilica, silica gel, white black, finely ground pane or packaging glass, finely ground clay; alumina-containing substances, e.g. α-corundum; titanium dioxide; zinc dioxide; as well as wood flour, textile dust, finely crushed rubber, and disintegrated woodworking and pulp-and-paper industry wastes, e.g. scope; and mixtures of dispersed substances, including those listed above. |
Method for production of fine granular additive to be added to cement composite / 2283292 Method involves obtaining mixture including fine mineral component and surfactant solution; drying the mixture; dispersing thereof into fine granules. Mixture obtaining method involves making air-beaten foam of 10-35% surfactant solution, namely untreated sulfate soap; stabilizing thereof with liquid glass taken in amount of 15% of above solution mass; adding fine mineral component, namely microsilica, to the foam. Solution/ microsilica ratio is 1:0.09-1.2. The mixture is laid in moulds and dried under temperature of 20-110°C. |
Phosphate material / 2278842 Invention relates to building materials, in particular, to phosphate material comprising ortho-phosphoric acid with density value 1.22-1.23 g/cm3 and, additionally, waste from foam concrete manufacture of autoclave hardening with density value D 600, the content of calcium hydrosilicates and calcium hydroxide 5-40 wt.-% in the following ratio of components, wt.-%: indicated waste of foam concrete manufacture, 75-80, and ortho-phosphoric acid, 20-25. Invention can be used in making building blocks. Invention provides the creature of new phosphate material of delayed seizing time and in waterproofing retaining. |
Foamed material and method for production thereof / 2268248 Claimed material is obtained from raw mixture containing (mass %): liquid glass 87-94; gel-forming agent such as potassium bichromate (K2Cr2O7) 0.1-1.0; fine dispersed filler such as marble flour or hydroxyapatite 3-10; and water 1-2. Components are agitated in mixer for 2-5 min followed by granulation in aqueous solution of calcium chloride and aluminum chloride mixture taken in ratio of AlCl3:CaCl2:H2O = (1-2):88:370 mass pts, wherein said solution has density of 1300 kg/m3. Obtained liquid glass bead is dried at 80-90°C up to finished moisture of 35-38 % and fed into metal mould in amount sufficient to produce articles of desired density. Heat treatment in mould is carried out at variable temperature regimes, namely mould is heated to 600-700°C for 1 min; material is conditioned at 600-700°C for 5-7 min; quenched at 450°C for 1 min; and conditioned at 450°C for 15-20 min. Then mould is cooled to 40-60°C, broken down and finished article is taken out. |
Raw mix and a method of production of a granular heat-insulation material / 2264363 The invention is pertaining to the field of construction materials industry, in particular, to production of porous artificial articles and may be used at production of the granular heat-insulation material - the especially lightweight filler for concretes of industrial and civil engineering. The technical result is exclusion from a constructional raw mix of boric acid, a decrease of power input due to exclusion of a phase of a preliminary thermal treatment of green granules, a decreased bulk density and an increased general porosity of the granular heat-insulation material. A raw mix for the granular heat-insulation material includes, in mass %: micro-silica - 41.37, a sulfate soap with concentration of 40 % in terms of a dry substance - 0.21, a solution of sodium hydroxide with concentration of 45,22 % in terms ofNa2O - 21.97, water - 36.45. The method of production of the granular heat-insulation material from the raw mix provides for preparation of a suspension out of components of the raw mix, its hydrothermal treatment at 80-90°C and an atmospheric pressure during 10-15 minutes, granulation and the following heat-treatment of the green granules at 350-400 °C during 10 minutes. |
Flooring slab production method / 2263187 Method involves successive producing concrete, vented and water-proof layers and rolling on water-proof layer. On the first stage of flooring slab production concrete and vented layers are produced simultaneously from concrete mix separated into layers and including cement, water, superplasticizing admix, keramzit sand and keramzit filler taken in the following mass ratio: 76.37:48.53:1.00:114.53:285.89. On the second stage water-proof layer is made of organomineral mix including bitumen and limestone powder taken in mass ratio of 1.5:1. For lower and central vented layer production keramzit sand having 0.315 mm size and claydite granules having 10-40 mm size are taken. Limestone powder used for water-proof layer forming has size of not more than 0.14 mm. |
Method for production of concrete plasticizer from distillery dreg / 2243950 Method includes centrifugal preseparation of distillery dreg to provide concentrate, treatment obtained concentrate with alkali carbonate to pH 8-11, followed by addition of superplasticizer or lignosulfonate solution providing ratio of total amount of alkali carbonate and concentrate to amount of solution ‹1. Superplasticizer or lignosulfonate solution is added to obtained centrifuge effluent, providing ratio of centrifuge effluent to said solution from 0.2 to 2.0 to produce another plasticizer. Dry alkali carbonate content is not more than biomass content in raw distillery dreg. Method of present invention is useful in concrete mixtures manufacturing for producing of precast concrete and cast-in-place constructions. |
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