RU2007142321A - METHOD FOR PRODUCING CONCRETE BUILDING PRODUCTS, COMPOSITION OF CONCRETE MIXTURE FOR PRODUCING CONCRETE BUILDING PRODUCTS, GRANULATED FILLER BASED ON NATURAL SEDIMENTARY HIGH-SILICON-ROCKED CONCRETE CONCRETE - Google Patents

Abstract

1. A method of obtaining concrete building products, including mixing a binder - 10-25%, fine aggregate - 15-45%, granular aggregate - 5-40% and water - the rest by weight, molding of building products, aging in molds and subsequent heat and moisture treatment products at atmospheric pressure and a temperature of 85-95 ° C, characterized in that the aggregate granules consist of a core and a shell, while in the manufacture of nuclei by the granulation method, a mixed mixture of a silica-containing component in the form of ground to a specific surface area of 150-250 m2 / kg of natural sedimentary high-siliceous rock and alkali metal hydroxide in a ratio of 0.70-0.95: 0.05-0.30 by weight, an aqueous solution of sodium silicate with a density of 1.2-1 is used as a binder 3 g / cm3 in an amount of 0.1-7.0% relative to the mass of the granule core, the formation of a protective shell on the surface of the granule core is carried out in a dry, dusty mixture of a lime-containing component and sodium silicofluoride in a ratio of 0.85-0.95: 0.05-0.15 by weight, the size of the granules of the composite is 0.5-10.0 mm, and the resulting granule th e aggregate is introduced to the concrete mix after the acquisition of the strength of at least 0.12 MPa as a result of curing at ambient temperature, and steam curing occurs in granular aggregate concrete array construction product when heat and humidity treatment. ! 2. Concrete mixture for the manufacture of building products by the method according to claim 1, comprising a binder - 10-25%, fine aggregate - 15-45%, granular aggregate - 5-40% and water - the rest by weight, characterized in that the aggregate granules state

Claims (4)

1. A method of obtaining concrete building products, including mixing a binder - 10-25%, fine aggregate - 15-45%, granular aggregate - 5-40% and water - the rest by weight, molding of building products, aging in molds and subsequent heat and moisture treatment products at atmospheric pressure and a temperature of 85-95 ° C, characterized in that the aggregate granules consist of a core and a shell, while in the manufacture of nuclei by granulation using a mixture of a silica-containing component interconnected in the form of ground to sensible surface 150-250 m ² / kg vysokokremnezemistoy natural sedimentary rocks and alkali metal hydroxide in a ratio of 0,70-0,95: 0.05-0.30 by weight, as binder, an aqueous sodium silicate solution density 1,2- 1.3 g / cm ³ in an amount of 0.1-7.0% relative to the weight of the granule core, the formation of a protective shell on the surface of the granule core is performed in a dry, dusty mixture of a lime-containing component and sodium silicofluoride in a ratio of 0.85-0, 95: 0.05-0.15 by weight, the granule size of the composite is 0.5-10.0 mm, and the resulting gran The reinforced aggregate is introduced into the concrete mixture after it acquires a strength of not less than 0.12 MPa as a result of hardening at ambient temperature, and the moisture and moisture treatment of the granular aggregate occurs in the mass of the concrete building product during its heat and moisture treatment. 2. Concrete mixture for the manufacture of building products by the method according to claim 1, comprising a binder - 10-25%, fine aggregate - 15-45%, granular aggregate - 5-40% and water - the rest by weight, characterized in that the granules of the aggregate consist of a core and a shell, while the core of the aggregate consists of ground from ground to a specific surface area of 150-250 m ² / kg of a mixture of silica-containing component in the form of natural sedimentary high-siliceous rock and alkali metal hydroxide in a mass ratio of 0.70-0.95: 0.05-0.30, interconnected aquatic plants thief of sodium silicate with a density of 1.2-1.3 g / cm ³ in an amount of 0.1-7.0% relative to the weight of the core of the granule, and the shell consists of a ground mixture of lime-containing component and sodium silicofluoride in a mass ratio of 0.85 -0.95: 0.05-0.15, while the granule has a size of 0.5-10.0 mm 3. A granular aggregate aggregate for concrete, made according to claim 1, in the form of granules consisting of a core and a protective sheath, the core being a mixture comprising a silica-containing component and a binder, characterized in that the granules have a size of 0.5-10.0 mm, the core is a mixture of the above siliceous component, milled from ground to a specific surface area of 150-250 m ² / kg, in the form of natural sedimentary high-siliceous rock and alkali metal hydroxide in a mass ratio of 0.70-0.95: 0.05-0.30 , the shell is a mixture of co-hammer th component izvestsoderzhashchih with sodium silicofluoride in weight ratio of 0.85-0.95: 0.05-0.15, and the above binder is a sodium silicate aqueous solution density of 1.2-1.3 g / cm ³ in an amount of 0.1 -7.0% based on the weight of the core of the granule. 4. Concrete construction product, for example, block, panel, etc., manufactured according to the method described in claim 1, containing a binder - 10-25%, fine aggregate - 15-45%, granular aggregate - 5-40% and water - the rest by weight, characterized in that the granular aggregate is made in the form of granules solidified at ambient temperature with a strength of not less than 0.12 MPa, consisting of a core and a shell, the granule being made with a size of 0.5-10.0 mm and contains as nuclei interconnected aqueous sodium silicate density of 1.2-1.3 g / cm ³ The number of 0,1-7,0% by weight of the core granules milled to a specific surface of 150-250 m ² / kg mixture of silica-containing component in the form of natural rocks and sedimentary vysokokremnezemistoy alkali metal hydroxide in a ratio of 0,70-0,95: 0 , 05-0.30, and the shell consists of a dry dusty mixture of a lime-containing component and sodium silicofluoride in a ratio of 0.85-0.95: 0.05-0.15.