RussianPatents.com
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Concrete mix for production of heavy concrete. RU patent 2378213. |
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FIELD: construction. SUBSTANCE: invention is related to composition of concrete mix for production of heavy concrete on the basis of heavy fillers and may be used for production of various construction parts and structures with increased volume weight, and also as material intended for use in structures with high dynamic loads, which require improved stability. Concrete mix contains the following components, wt %: cement PC 500D0-N 10.9-11.5, flue ash 0.97-2.4, heavy spar concentrate of various fractions 79.1-80.72, polycarboxylates, 0.11-0.16, lignosulphonates 0.01-0.02, water 6.76-6.88. EFFECT: increased average density and strength of concrete, production of most dense structure of concrete, and also expansion of raw materials base. 2 tbl
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Raw material mixture for production of heat insulating light concrete / 2377210 Invention refers to building and can be implemented at production of building materials for construction of industrial projects, dwelling houses, cottages, agricultural constructions, etc, mainly for heat insulation in form of plates, and also monolithic heat insulation, for example roofs. Raw material mixture for production of heat insulating light concrete consists of, wt %: mineral binding - Portland cement 2-7, wood fibre material 2-7, mineral filler - blown-out vermiculite 2-8, liquid glass 11-20, dust of gas purification of electro-thermal production of silicon and/or ferrosilicon 29-40, water 26-46. The invention is developed in the dependent point of the invention formula. |
Concrete mix and method of concrete item manufacture from concrete mix / 2376257 Inventions may be used for manufacturing concrete items intended for floor elements assembling in buildings and structures, for assembling sidewalks, pedestrian and lawn & garden paths, pedestrian squares and access platforms of public transport and particularly, for producing paving slabs and edge stones, fencing and outer lining, decorative items. The concrete mix includes, wt %: Portland cement 24.0-29.0, mineral filler - mine rock milling wastes - gabbro-diorite or gabbro-diabase, or quartzite from 0.01 to 10.0 mm fractions 40.3-49.8, sand 20.5-30.0, superplasticising agent 0.35-0.45, water 0.17-0.25. Method of concrete item manufacture from the above described concrete mix includes mixing the above Portland cement, mineral filler and sand. After that water is added with previously dissolved superplasticising agent until concrete balls are generated. The above mentioned concrete balls are subject to further horizontal vibration in plastic box until they are completely spread. The spread concrete balls are covered with polyethylene film to preserve moisture until they are completely set. Finally, the prepared solidified mixture is unloaded. The inventions are developed in the dependent points. |
Mortar / 2376256 Mortar including cement, sand, additive and water consists of sand having maximum fraction size 0.315 mm, composite chemical additive containing, superplasticising agent Peramin-SRA, cellulose ether at 1% viscosity of solution at 20°C=7000 MPa/sec, expanding additive fro cement Denka CSA and Sodium fluoride at the following ratio of components, wt %: superplasticising agent Peramin-SRA -17.65-18.65; cellulose ether 1% viscous solution at 20°C=1000 MPa/sec - 11.06-11.76; expanding additive Denka CSA - 58.40-58.82; sodium fluoride - 11.29-11.77. In addition, mortar contains dolomite limestone with maximum size of fractions 160 mcm at the following ratio of components, wt %: Portland cement - 29.17-33.3; sand with maximum size of fractions 0.315 mm - 37.05-40.15; dolomite limestone with maximum size of fractions 160 mcm - 11.7-12.5; the above mentioned composite additive - 1.45-1.48; water - 16.5-16.7. |
Highly stable mortar to salt efflorescence generation / 2376255 Mortar includes Portland cement, sand and brucite burnt at 1000°C during 10 minutes. It contains 97-99 wt % magnesium oxide, which is milled to specific surface 290-310 m2/kg at the following ratio of components, wt %: Portland cement 22.50-24.75, sand 67.50-74.25, the above brucite 1-10. |
Raw mix for production of cement bonded particle board / 2376254 Raw mix for producing cement bonded particle board includes the following in wt %: Portland cement 27.06-37.81, milled conifer timber with wooden particles size not exceeding 40 mm in length and 10 mm in width and 5 mm in thickness 20.16-39.95, water 28.39-36.24, liquid soda ash glass 0.71-0.90, industrial cleared aluminium sulfate 0.48-0.61, superplasticising agent SP-1 0.02-0.04, and poly vinyl acetate 3.37-4.26. |
Composition for finishing of building facades / 2373168 Composition for finishing of building facades comprises the following components, wt %: 70-percent acrylic dispersion - 4.5-5, white Portland cement - 27-32, white carbonate slag with specific surface of solid particles of 7.000-7.500 cm2g - 10-15, micromarble - 30-35, water - 13-28.5. |
Raw mix for production of nonfired items / 2373167 Raw mix for production of nonfired pressed construction items contains the following components, wt %: limestone with particle size of not more than 5 mm - 65-86, Portland cement with grade not below 400 - 5-9, cement dust - 5-30. |
Concrete mixture / 2371416 Invention relates to the industry of construction materials, particularly to production of concrete wall blocks. The concrete mixture contains the following, wt %: portland cement 23.0 to 27.0; ash-slag filler with the following chemical composition, wt %: SiO2 40.7, Al2O3 15.8, Fe2O3 13.5, CaO 8.9, MgO 4.3, Na2O+K2O 3.8, SO3 1.4, "п.п.п." 8.5 and particle composition, wt %: larger than 0.63 mm - 0.2, larger than 0.315 mm but smaller than 0.63 mm - 4.8, larger than 0.14 mm but smaller than 0.315 mm - 62, smaller than 0.14 mm - 33, foam polystyrene crumbs with particle size of 10 mm - 1.5-2.0, superplasticiser C-3 30.25 to 0.35, water - 10.0 to 13.0. |
Non-sparking double-layer tile and method of making said tile / 2371415 Invention relates to industrial construction materials, and more specifically to double-layer structures and method of making such structures, particularly non-sparking double-layer tiles, meant or covering floors in category A and B fire safety buildings. The non-sparking double-layer tile is in form of a concrete monolithic body with a face layer, which has a regular or irregular geometrical shape, where material for both layers is a mixture, used in semi-dry state, containing, wt %: composition of the mixture of the base layer: portland cement of at least grade 500 DO 20.55 to 22.78, construction sand with particle size 5 mm with fineness modulus of not less than 2.4 72.89 to 75.34, Poliplast MB-1 0.20-0.30, water - the rest; composition of the mixture of the face layer: portland cement of at least grade 500 DO 23.98 to 26.19, limestone in form of sand from siftings from crushing sedimentary rocks with strength grade of at least 400 with particle size 2 to 4 mm and fineness module of not less than 2.4 69.84-71.94, Poliplast MB-1 0.23 to 0.30, water - the rest, where the face layer has thickness of not less than 10 mm. The method of making the said tile involves preparation of each of the said mixtures with moisture content of 6-8% in mixers by successive loading the given filler, additive, portlant cement, stirring dry components for 30 to 60 s, then, while stirring, adding water and continue to stir the mixture for the base layer for 30 to 40 s, and the mixture for the face layer - for 2 minutes, placing the mixture for the base layer into a mould, preliminary compacting with light vibration or ramming without vibration, placing the mixture for the face layer on top of the compacted base layer, final compacting with vibrocompression for 20 to 23 s of the said mixtures and solidification in a steam curing chamber at temperature of 40°C, moisture 95 to 100 % and rate of increase and decrease of temperature not more than 25°C/h. Invention is developed in subclaims. |
Raw mixture and method of manufacturing flat and corrugated sheet therefrom / 2369576 Raw mixture includes, as the bonding agent, quick-hardening cement M500 - 25-30%, ash after bituminous coals have been burnt - 25-35%, microsilica after silicon alloys have been smelted - 10-12%, complex additive "Relamix Type 2" for concretes and solutions - 0.6-0.8%, and mountain sand containing 10-15% of garnet minerals is the rest. The method involves pre-mixing of raw mixture till liquid mass is obtained, its laying on a tray, and drying. At that, on the first layer of pre-mixed raw mixture there laid is mesh reinforcement made from high-strength strands, and one layer of anhydrous or hemihydrate plaster is applied in quantity of 50-100 gram to one square metre of pre-mixed mixture. The second layer of pre-mixed raw mixture is laid on it, and it is subject to packing, hardening and drying processes. |
Additive for concrete mix / 2378208 Invention is related to construction materials and may be used as additive for concretes and construction mortars. Additive for concrete mixture contains wt %: after-yeast stillage with content of dry substances - 4.0-5.0 wt %, pH-5.0-6.0, density - 1.016 g/cm3 73.80-76.20, sodium fluoride 0.30-0.50, manganese dioxide 0.70-0.90, calcium hydroxide 0.70-0.90, microsilica with S"уд"=2,000 m2/kg 22.10-23.90. |
Additive for concrete mix / 2378208 Invention is related to construction materials and may be used as additive for concretes and construction mortars. Additive for concrete mixture contains wt %: after-yeast stillage with content of dry substances - 4.0-5.0 wt %, pH-5.0-6.0, density - 1.016 g/cm3 73.80-76.20, sodium fluoride 0.30-0.50, manganese dioxide 0.70-0.90, calcium hydroxide 0.70-0.90, microsilica with S"уд"=2,000 m2/kg 22.10-23.90. |
Complex additive for preparation of concrete (versions) / 2378207 Invention is related to construction materials, in particular to compositions of complex additives for preparation of concrete. Complex additive contains the following components, wt %: technical lignosulfonates - LST - 3.5-3.9, sodium nitrite - 16.0-16.9, mineralised drains - waste of refining production of nonferrous metals, including sodium and calcium chlorides - 31.0-33.8, water - the rest. In version additive includes the following components, wt %: superplasticiser C-3 2.5-3.0, sodium nitrite 16.0-16.9, specified mineralised drains - 31.2-34.3, water - the rest. |
Composition and procedure for fabrication of non-fired dolomite heat resistant concrete / 2377220 Invention refers to production of building materials and can be implemented at fabrication of items out of dolomite non-fired heat resistant concretes produced without preliminary firing. The composition for fabrication of non-fired dolomite heat-resistant concrete contains, wt %: dolomite filler 65-87, fine ground dolomite 6-16, fine ground caustic dolomite 2-8, fine ground sodium silicate 2-5, sodium silicate in form of nano-dimension particles 1-2, fine ground diatomite 6-16, caustic dolomite in form of nano-dimension particles 2-4 and water out of calculation W/T 0.12-0.14. Procedure for fabrication of non-fired dolomite heat-resistant concrete out of the above said composition consists in separate crumbling of components and in producing fine ground said components, in successive separate conversion of part of sodium silicate and caustic dolomite into nano-dimension particles by means of dehydrated dispersion of hydrated sodium silicate and caustic dolomite fine ground to specific surface 2500-3000 cm2/g at temperature 200-800°C, in mixing dolomite filler, fine ground dolomite, caustic dolomite and sodium silicate, in adding while mixing to their mixture the water mixture of sodium silicate and caustic dolomite; also the water mixture has temperature of 80-90°C and mixture of sodium silicate and caustic dolomite is represented in form of their nano-dimension particles; further water is added at temperature of 80-90°C; the produced mixture is mixed, items are mould out of it and treated by thermo-shock at temperature of 250-300°C during 1-2 hours. |
Composition and procedure for fabrication of non-fired chromium-magnesite heat resistant concrete / 2377219 Invention refers to building materials and can be implemented at production of items out of chromium-magnesite non-fired heat resistant concrete. The composition for fabrication of non-fired chromium-magnesite heat-resistant concrete contains, wt %: chromium-magnesite filler 65-87, fine ground chromium-magnesite 6-16, sodium silicate-block in form of nano-dimension particles 2-4, fine ground magnesium concentrate 5-15, and water from calculation W/T 0.12-0.14. The procedure of fabrication of non-fired chromium-magnesite heat-resistant concrete out of the above said composition consists in conversion of sodium silicate-block into nano-dimension particles by means of dehydration dispersion of hydrated sodium silicate-block fine ground to specific surface of 2500-3000 cm2/g at temperature 200-600°C, in mixing chromium-magnesite filler, fine ground chromium-magnesite and magnesium concentrate and in addition to their mixture, while mixing, of water mixture of sodium silicate- block in form of nano-dimension particles with temperature 80-90°C, and then in addition of water with temperature 80-90°C, in mixing the produced mixture, in moulding items out of it and in treatment of items with thermo-shock at temperature 250-300°C during 1-2 hours. Also fine ground magnesium concentrate is produced by means of dry grinding. |
Composition and procedure for fabrication of non-fired magnesite heat resistant concrete / 2377218 Invention refers to production of building materials and can be implemented at fabrication of items out of magnesite non-cement non-fired heat resistant concretes produced without preliminary firing. The composition for fabrication of non-fired magnesite heat-resistant concrete contains, wt %: magnesite 60-80, fine ground magnesite 8-16, silicate-block in form of nano-dimension particles 2-4, fine ground magnesium concentrate 4-10, fine ground diatomite 6-10, and water from calculation W/T 0.12-0.14. The procedure of fabrication of non-fired magnesite heat-resistant concrete out of the above said composition consists in conversion of sodium silicate-block into nano-dimension particles by means of dehydration dispersion of hydrated sodium silicate-block fine ground to specific surface of 2500-3000 cm2/g at temperature 200-600°C, in mixing magnesite filler, fine ground magnesite, magnesium concentrate and diatomite and in addition to their mixture, while mixing, of water mixture of sodium silicate- block in form of their nano-dimension particles with temperature 80-90°C, and then in addition of water with temperature 80-90°C, in mixing the produced mixture, in moulding items out of it and in treatment of items with thermo-shock at temperature 250-300°C during 1-2 hours. Also fine ground magnesium concentrate and diatomite are produced by means of dry combined grinding. |
Composition and procedure for fabrication of non-fired chamotte heat resistant concrete / 2377217 Invention refers to production of building materials and can be implemented at fabrication of items out of chamotte non-fired heat resistant concretes produced without preliminary firing. The composition for manufacturing of non-fired chamotte heat resistant concrete contains, wt %: chamotte filler 70-91, fine ground chamotte 6-20, sodium silicate-block in form of nano-dimension particles 1-4, fine ground cristobalite 2-6, and water from calculation W/T 0.12-0.14. The procedure of fabrication of non-fired chamotte heat-resistant concrete out of the above said composition consists in conversion of sodium silicate-block into nano-dimension particles by means of dehydration dispersion of hydrated sodium silicate-block fine ground to specific surface of 2500-3000 cm2/g at temperature 200-600°C, in mixing chamotte filler, fine ground chamotte and cristobalite and in addition to their mixture, while mixing, of water mixture of sodium silicate- block in form of nano-dimension particles with temperature 80-90°C, and then in addition of water with temperature 80-90°C, in mixing the produced mixture, in moulding items out of it and in treatment of items with thermo-shock at temperature 250-300°C during 1-2 hours. Also fine ground cristobalite is produced by means of dry grinding. |
Composition and procedure for fabrication of non-fired zirconium heat resistant concrete / 2377216 Invention refers to production of building materials and can be implemented at fabrication of items out of zirconium non-fired heat resistant concretes produced without preliminary firing. The composition for fabrication of non-fired zirconium heat-resistant concrete contains, wt %: zirconium filler 57-81, fine ground zirconium 8-18, sodium silicate-block in form of nano-dimension particles 2-4, fine ground diatomite 6-16, milk white opal in form of nano-dimension particles 3-5, and water from calculation W/T 0.12-0.14. The procedure of fabrication of non-fired zirconium heat-resistant concrete out of the above said composition consists in conversion of sodium silicate-block and milk-white opal to nano-dimension particles by means of dehydration dispersion of sodium silicate-block and milk-white opal fine ground to specific surface of 2500-3000 cm2/g at temperature 200-600°C, in mixing zirconium filler, fine ground zirconium and diatomite and in adding to their mixture, while mixing, of water mixture of sodium silicate- block and milk white opal in form of their nano-dimension particles with temperature 80-90°C, and further in adding water with temperature 80-90°C, in mixing the produced mixture, in moulding items out of it and in treatment of items with thermo-shock at temperature 250-300°C during 1-2 hours. Also sodium silicate-block and milk white opal in form of their nano-dimension particles are produced both separately and as their mixture. |
Concrete mixture / 2377215 Invention refers to building materials, particularly to cement-free compositions of concrete mixtures out of industrial wastes. The concrete mixture contains, wt %: ground steel-casting slag - 86-88, pulp-actuator produced at neutralisation of spent electrolyte of traction acid accumulators with lime - 7-8, burned rock of mine dumps - 5-6; also said slag and rock are ground together to specific surface 300-320 m2/kg. |
Concrete mixture / 2377214 Invention refers to building materials, particularly to compositions of concrete. The concrete mixture contains, wt %: slag-Portland cement of M500 grade 15-18, slag filler - crushed blast furnace slag of 0-15 mm size 50-60, and complex additive "Relamix" of Type "2" 0.1-0.3 and the rest is mountain sand of composition, wt %: SiO2 34.1-39.9; Al2O3+TiO2 9.8-11.0; FeO+Fe2O3 12.8-26.1; CaO 11.3-13.7; MgO 4.2-5.7; MnO 0.3-0.55; P2O5 0.5-0.6; SO3 1.7-3.2; Na2O+K2O 1.3-3.2; l.a.f. (losses after firing) 8.5-15.0, containing 20-30% of garnet minerals. |
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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