Loose mixture to form thermal insulating layer

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

 



 

Same patents:

FIELD: construction.

SUBSTANCE: manufacturing method of heat-insulating material consists in manufacture of products from composite material based on cement, mortar sand and CHP ash and slag wastes at the ratio of cement:sand:ash and slag wastes components equal to 33:22:44, their saturation in a modified sulphur melt; titanium chloride, or iron chloride, or zinc chloride is used in the amount of 0.8-1.2 % of sulphur weight as a modifying agent of the sulphur melt.

EFFECT: improving strength, reducing coefficient of heat conductivity and water saturation of a heat-insulating material.

2 tbl

FIELD: chemistry.

SUBSTANCE: group of inventions relates to the production of construction materials, namely to a composition for light concrete manufacturing, a method of preparing the composition for light concrete manufacturing and methods of manufacturing light constructive-heat-insulating concrete products. The composition for light concrete manufacturing contains, wt %: Portland cement 45-50, GRES ash microspheres 30-40, reinforcing filler 0.5-11.0, water - the remaining part, with the GRES ash microspheres and reinforcing filler being activated to a cement clinker. The method of preparing the composition for manufacturing light concrete includes the introduction of the reinforcing filler into Portland cement in the form of inorganic disoriented fibres and mixing until a homogeneous mixture is obtained, introduction of the GRES ash microspheres, the surface of which is preliminarily activated to the cement clinker, and the obtained mixture is tempered with water or water with a plasticising additive C3. The method includes the activation of the surface of the GRES ash microspheres by the application of a finishing agent or chemical processing. The method of light concrete manufacturing, obtained by mixing Portland cement, GRES ash microspheres and water consists in the following: the GRES ash microspheres, the surface of which is preliminarily activated to the Portland cement clinker, are preliminarily introduced into Portland cement, the mixture is tempered with water, with the application of the preliminarily activated to Portland cement clinker reinforcing filler in the form of oriented fibres in the formation of light cement, introduction of the oriented fibres is realised layer-by-layer in the process of moulding, which is carried out by layer-by-layer vibrocompacting with the further mixture exposure at 100% humidity. The invention is developed in independent and dependent claims of the invention formula.

EFFECT: obtaining constructive-heat-insulating and constructive-fire-resistant light concrete with an increased strength and with reduced moisture-absorption.

9 cl, 7 ex, 3 tbl

FIELD: construction.

SUBSTANCE: method to produce a gypsum cement pozzolan binder includes hydraulic activation of portland cement with surfactants for 1 minute with subsequent addition of gypsum and pozzolan component and repeated hydraulic activation for 2 minutes in a rotor-pulsation device with speed of shaft rotation of at least 5000 rpm, surfactants are a mixture of aqueous solution of carboxylate polyester "Glenium Ace® 430", a controller of setting and hardening times "BEST-TB" and a homogeneous mix of oligoethoxysiloxanes "Ethyl silicate -40" at the ratio of 1:0.17:0.07, he pozzolan component is metakaolin with hydraulic activity of at least 1000 mg/g at the following ratio of components, wt %: calcined gypsum 56.7-57.4, portland cement 14.6-15.4, specified surfactant 1-1.8, metakaolin 2.7-3.3, water - balance.

EFFECT: increased frost resistance, longer times of composition setting, giving it self-compacting property, increased strength, higher water resistance and reduced water absorption.

2 tbl

FIELD: construction.

SUBSTANCE: method to manufacture concrete and reinforced concrete products, solid structures and facilities from concrete mix consists in the fact in a mixer for 1.5-3 minutes they mix sand, cement and crushed stone with water and electrolyte. The produced mix is poured into a curb, a cassette or a form, working surfaces of which are electrodes, and the mixture is exposed to electric stabilisation by sending alternating current pulses, the current density of which is in the range of 10-49 A/m2, with duration of 3-7 min with a stop before each change of polarity of the pulse for more than 2 min. At the same time in process of mixture pouring into a curb, cassette or a form the mixture is exposed to vibration, then into the poured mix they install an emitter and a receiver of ultrasound at the fixed distance, for instance, 1 m. Ultrasound pulses, which are recorded in the ultrasound receiver, are generated in the emitter via identical equal time intervals, in the period of each pause before each change of polarity of the current pulse. Duration of the specified fixed distance travelling by each ultrasound pulse is determined, and by results of the measurements they calculate the value α according to the given mathematical expression. At that moment of time, when the value α takes the value below 1, they disconnect the pulse current and perform secondary vibration of the mix poured into the curb, cassette or form for 1-2 minutes. Afterwards the product is maintained for 5-6 hours until structural strength is achieved.

EFFECT: increased efficiency and improved characteristics of manufactured products.

1 tbl, 1 dwg

FIELD: construction.

SUBSTANCE: method of concrete mix preparation consists in preliminary mixing of 50% of rated amount of cement with tempering water containing superplasticiser - Relamix PK, and mechanical and chemical activation in a rotor-pulsation device with the number of rotations of the working organ of 5000 rpm for 2 min, with subsequent mixing of the remaining part of the cement and fillers.

EFFECT: increased strength, frost resistance and water impermeability.

2 cl, 1 tbl

FIELD: construction.

SUBSTANCE: invention relates to construction and processing (deactivation) of drilling wastes together with secondary wastes of thermal utilisation of oil slurries with ash and slag mixtures so that road-building composite materials are obtained. The task at which this invention is aimed is to create a processing method of drilling wastes on the territory of a cluster site. The processing method of drilling sludge on the territory of the cluster site involves arrangement at the site of components of the mixture and a processing capacity, placement of drilling sludge into the capacity, addition to the sludge of components and mixing of the mixture with an excavator so that road-building composite material is obtained; with that, the processing capacity is installed into soil so that its upper edge is elevated above relief to the height of not more than 0.5 m.

EFFECT: reduction of costs for transportation of wastes to the nearest sludge pit, a possibility of processing of drilling wastes immediately after their formation, a possibility of using secondary materials obtained as a result of processing at the site.

6 cl, 7 dwg

FIELD: construction.

SUBSTANCE: method to prepare concrete mix consists in the fact that previously 50% of the rated amount of cement is mixed with tempering water, containing superplasticiser of the condensation product on the basis of sodium salt of naphthalenesulphonic acid and formaldehyde - RELAMIX T2 and hardening accelerator - sodium sulphate, exposed to mechanical and chemical activation in a rotor-pulsation device for 2 minutes with subsequent mixing of the remaining part of cement and fillers.

EFFECT: increased strength, mobility of concrete mix, frost resistance and water impermeability.

2 cl, 1 tbl

FIELD: construction.

SUBSTANCE: method of obtaining of gypsum cement-puzzolan mix includes hydroactivation of portland cement with surfactants for 1 min. with the subsequent adding of gypsum and puzzolan component and repeated hydroactivation within 2 min., in the rotor and pulsation device with a shaft speed of rotation no less than 5000 rpm, the surfactant is a mix of polymeric polycarboxylated ether "Glenium® 115", the setting and cuing time regulator "BEST-TB" and the organic silicon compound "N-octyl sulfosuccinate" in the ratio 1:0.3:0.07, the puzzolan component is a metakaolin with the hydraulic activity no less than 1000 mg/g, at the following ratio of components, by weight %: semi-water gypsum 55.8-56.5, portland cement 14.3-15.4, the named surface-active substance 1.1-1.9, metakaolin 2.5-3.3, water - the rest.

EFFECT: increase of frost resistance, increase of time of mix curing, getting self-sealing ability, increase of flexural and compression strength, increase of water resistance and decrease of water absorption.

2 tbl

FIELD: construction.

SUBSTANCE: method to produce a gypsum cement pozzolan binder includes hydraulic activation of portland cement with surfactants for 1 minute with subsequent addition of gypsum and pozzolan component and repeated hydraulic activation for 2 minutes in a rotor-pulsation device with speed of shaft rotation of at least 5000 rpm, surfactants are a mixture of carboxylate polyester "Odolit-K", a controller of setting and hardening times "BEST-TB" and water emulsion of octyltriethoxysilane "Penta®-818" at the ratio of 1:0.23:0.07, the pozzolan component is metakaolin with hydraulic activity of at least 1000 mg/g at the following ratio of components, wt %: calcined gypsum 57-57.7, portland cement 14.9-15.3, specified surfactant 1.3-1.8, metakaolin 2.7-3.3, water - balance.

EFFECT: increased frost resistance, longer times of mixture setting, giving it self-compacting property, increased strength, higher water resistance and reduced water absorption.

2 tbl

FIELD: construction.

SUBSTANCE: method to prepare concrete mix includes double-stage mixing of a binder, fillers, a superplasticiser and tempering water, at the first stage they first mix the binder, fine filler, 70-80% of coarse filler and 75-85% of tempering water to produce a homogeneous mix, then at the second stage to the previously mixed mixtyre they add the remaining part of the coarse filler, superplasticiser with remaining part of the tempering water, and finally all components are mixed to produce a homogeneous concrete mix of required workability. The superplasticiser is additive of Cemaktiv SU-1.

EFFECT: reduced consumption of superplasticiser and provision of the possibility to reduce duration of heat and moisture treatment of concrete.

2 cl, 1 tbl

FIELD: construction.

SUBSTANCE: invention relates to gypsum boards with reduced weight and reduced density. A fire-resistant gypsum board includes an intermediate gypsum layer located between two facing sheets, with that, the intermediate gypsum layer includes a crystalline matrix of hardened gypsum and particles with high expansion coefficient, which are capable of being expanded to approximately 300% or more relative to their initial volume after heating during approximately one hour at the temperature of approximately 1560°F (approximately 850°C), has density (D) of approximately 40 pounds per cubic feet (approximately 640 kg/m3) or less and hardness of the intermediate layer, which comprises at least approximately 11 pounds (approximately 5 kg), with that, heat insulation parameter of the board (TI) comprises approximately 20 minutes or more.

EFFECT: improvement of heat-insulating properties, resistance to thermal shrinkage and improvement of fire resistance.

30 cl, 22 tbl

FIELD: construction.

SUBSTANCE: peat and polymer mix, comprising a base in the form of peat and and a binding element, comprises five components, wt %: nanomodified peat of suspensions of polyvinyl acetate and cyclone dust of gas treatment of air of industrial enterprises (in terms of dry polyvinyl acetate in amount of 5% from mass of peat and dust - 3%) - 25, portland cement CEM-II-42.5 - 35, sodium bicarbonate - 15, ammophos - 5 and water - 20.

EFFECT: increased strength at invariable density, increased fire resistance, reduced heat conductivity.

1 tbl

FIELD: construction.

SUBSTANCE: peat and polymer mix for manufacturing of construction products, including a base in the form of peat and a binding element, differing by the fact that it comprises the following components, wt %: nanomodified peat of suspensions of polyvinyl acetate and cyclone dust of gas treatment of air of industrial enterprises (in terms of dry polyvinyl acetate in amount of 4-6% from mass of peat, dust - 2-3%) - 25%, portland cement CEM-II-32.5 - 35, calcium chloride - 10, ammophos - 5 and water - 25.

EFFECT: increased fire resistance and strength characteristics at invariable density, reduced heat conductivity, increased homogeneity of structure and durability of heat insulation material.

1 tbl

FIELD: construction.

SUBSTANCE: peat and polymer mix for manufacturing of heat insulation products, including a base in the form of peat and a binding element, comprises four components, wt %: nanomodified peat of suspensions of polyvinyl acetate and cyclone dust of gas treatment of air of industrial enterprises (in terms of dry polyvinyl acetate in amount of 4-6% from mass of peat, dust - 2-3%) - 25%, portland cement CEM-II-32.5 - 40%, sodium carbonate - 10% and water - 25%.

EFFECT: increased fire resistance and strength characteristics at invariable density, reduced heat conductivity, increased homogeneity of structure and durability of heat insulation material.

1 tbl

FIELD: chemistry.

SUBSTANCE: group of inventions relates to the production of construction materials, namely to a composition for light concrete manufacturing, a method of preparing the composition for light concrete manufacturing and methods of manufacturing light constructive-heat-insulating concrete products. The composition for light concrete manufacturing contains, wt %: Portland cement 45-50, GRES ash microspheres 30-40, reinforcing filler 0.5-11.0, water - the remaining part, with the GRES ash microspheres and reinforcing filler being activated to a cement clinker. The method of preparing the composition for manufacturing light concrete includes the introduction of the reinforcing filler into Portland cement in the form of inorganic disoriented fibres and mixing until a homogeneous mixture is obtained, introduction of the GRES ash microspheres, the surface of which is preliminarily activated to the cement clinker, and the obtained mixture is tempered with water or water with a plasticising additive C3. The method includes the activation of the surface of the GRES ash microspheres by the application of a finishing agent or chemical processing. The method of light concrete manufacturing, obtained by mixing Portland cement, GRES ash microspheres and water consists in the following: the GRES ash microspheres, the surface of which is preliminarily activated to the Portland cement clinker, are preliminarily introduced into Portland cement, the mixture is tempered with water, with the application of the preliminarily activated to Portland cement clinker reinforcing filler in the form of oriented fibres in the formation of light cement, introduction of the oriented fibres is realised layer-by-layer in the process of moulding, which is carried out by layer-by-layer vibrocompacting with the further mixture exposure at 100% humidity. The invention is developed in independent and dependent claims of the invention formula.

EFFECT: obtaining constructive-heat-insulating and constructive-fire-resistant light concrete with an increased strength and with reduced moisture-absorption.

9 cl, 7 ex, 3 tbl

FIELD: chemistry.

SUBSTANCE: peat-polymer mixture for making wall blocks, which includes a base in the form of a peat and a binder element, consists of the following components, wt %: peat, nano-modified with a suspension of polyvinyl acetate and industrial air purification cyclone dust (dry polyvinyl acetate in amount of 6% of the mass of peat and dust - 2%) - 25, portland cement CEM-II-42.5 - 35, ammonium chloride - 10, diammonium phosphate - 10 and water - 20.

EFFECT: improved fire-resistance and strength properties with the same density, low heat conductivity, high uniformity of the structure and longevity of heat-insulation material.

1 tbl

FIELD: fire safety.

SUBSTANCE: peat-polymer mixture for production of fire-resistant building blocks, comprising substrate in the form of peat and a binder, consists of the following components, wt %: peat nanomodified with suspension of polyvinyl acetate and cyclone dust of gas purification of air of industrial enterprises (based on the following: dry polyvinyl acetate in the amount of 4% by weight of peat and dust - 2%), - 25%, Portland cement CEM-II-42.5 - 35%, sodium bicarbonate - 7.5%, calcium chloride - 7.5%, diammonium phosphate - 5%, and water - 20%.

EFFECT: improvement of fire-proof and strength characteristics at a constant density, reduced thermal conductivity, increase in homogeneity of the structure and durability of the insulating material.

1 tbl

FIELD: construction.

SUBSTANCE: in the method to prepare a haydite concrete mix, including preparation and mixing of mixture components, mixing of the haydite concrete mix is carried out in a turbulent concrete mixer with rotor rotation frequency of at least 8 sec-1 and not more than 30 sec-1, at first 30% of required tempering water is supplied into the turbulent concrete mixer, and gradually haydite gravel is loaded with the running turbulent mixer, and mixed for 120 sec., then the required balance of water is supplied to the continuously running turbulent concrete mixer with addition of technical modified lignosulphonates and a gas forming additive PAK-3, then fly ash and cement are loaded, and the mix is mixed for 2-3 min. to produce homogeneous mix with required cone slump, at the following ratio of components, wt %: portland cement 20.00, haydite 41.50, superplasticiser LSTM 0.0312, fly ash of TPP 17.50, PAK-3 0.025, water - balance.

EFFECT: reduced process operations in production of haydite mix, increased frost resistance, heat insulation properties and reduced average density of haydite without strength reduction.

2 tbl

Concrete mixture // 2543822

FIELD: chemistry.

SUBSTANCE: concrete mixture contains, wt %: portland cement 22.0-24.0; haydite with grain size of 20-40 mm 22.0-27.5; haydite sand 6.0-8.0; grade 6 asbestos 1.0-2.0; rock flour from limestone or marble 20.0-24.0; water 18.0-20.0.

EFFECT: high water-resistance.

1 tbl

FIELD: chemistry.

SUBSTANCE: group of inventions relates to dry concrete or mortar composition, containing porous granules and to concrete or mortar, manufactured from said composition. Dry concrete or mortar composition, containing particles-cores, to the surfaces of which particle of hydraulic binding substance are fixed, and separate particles of hydraulic binding substance, particles-cores consist of inert or pozzolanic material and together with binding substance attached to them form porous granules, which, in their turn, are fixed to the surface of dry filling agent. Concrete or mortar, manufactured from said dry composition, mixed with water, is described. Invention is developed in dependent items of the invention formula.

EFFECT: increase of strength and fire resistance of concrete, obtained from claimed dry composition.

25 cl, 2 ex

Concrete mix // 2556551

FIELD: construction.

SUBSTANCE: concrete mix contains the following, wt %: Portland cement 23.5-24.0; fine filler 56.5-58.2; polyvinylchloride chips 2.8-4.0; water 15.0-1.0.

EFFECT: improving cold resistance and strength of concrete.

1 tbl

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