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High-strength concrete for CL thermal insulation integration

A concrete and high-strength technology, applied in the field of concrete, can solve the problems of exposed insulation boards, failure to meet the design strength requirements, and the concrete strength of the outer shear wall cannot meet the requirements, so as to meet high-strength requirements, improve strength, and be economical benefit effect

Inactive Publication Date: 2022-08-05
CHINA MCC17 GRP
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Aiming at the deficiencies of the prior art, the present invention provides a high-strength concrete for CL thermal insulation integration, which solves the problem that the construction industry has higher and higher requirements for concrete strength, and the method of compacting concrete only through fly ash The strength of reinforced concrete can no longer meet the needs of the industry; moreover, through research, it is found that the direct use of fly ash in the gel material in concrete is difficult to meet the performance requirements of the inner and outer wall concrete, especially the outer concrete with CL insulation cannot meet the design strength Requirements, resulting in the strength of the outer shear wall concrete not meeting the requirements and a large number of exposed insulation boards after formwork removal

Method used

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preparation example Construction

[0027] The preparation of the composite fly ash adopts hydrothermal treatment, and the iron-nickel nanorods are anchored on the surface of the fly ash, and then through the hydrothermal growth, a nanocrystalline layer is constructed on the surface of the fly ash, thereby obtaining the composite fly ash. The operation is as follows:

[0028] The nickel salt and the iron salt are mixed and dissolved in a mixed solvent of ethylene glycol and ultrapure water, anhydrous oxalic acid is added, the fly ash is mixed as a carrier in an autoclave to carry out a hydrothermal reaction, and the obtained product is dispersed in distilled water, A dispersion is formed, wherein the temperature of the hydrothermal reaction is 150-160°C, and the holding time is 12-15h, wherein the nickel salt is nickel chloride hexahydrate, the iron salt is anhydrous ferrous chloride, and the fly ash is ordinary grade II powder Coal ash, fineness ≤25.0%, water requirement ≤105%, loss on ignition ≤8.0%;

[0029]...

Embodiment 1

[0031] A high-strength concrete for the integration of CL thermal insulation, according to the single square (m 3 ) consumption meter, the consumption of each component of this concrete is as follows: cement 349kg, mineral powder 77kg, composite fly ash 99kg, natural sand 902kg, natural stone crushed stone 1023kg, water reducing agent 10.8kg, water 200kg, wherein, particle diameter 5-10mm The crushed stone is 310kg of the total amount of crushed stone, and the crushed stone with a particle size of 10-30mm is 713kg of the total amount of crushed stone.

[0032]After the materials are prepared, the above components are mixed, and the mixture is stirred for 2 minutes by a forced mixer in the Forbidden City to obtain the high-strength concrete described in the present invention.

[0033] The construction method of the high-strength concrete described in the present invention, its technological operation is as follows: when the concrete is pumped, the concrete should be unloaded on...

Embodiment 2

[0035] A high-strength concrete for the integration of CL thermal insulation, according to the single square (m 3 ) consumption meter, the consumption of each component of this concrete is as follows: cement 334kg, mineral powder 73kg, composite fly ash 95kg, natural sand 861kg, natural stone crushed stone 976kg, water reducing agent 10.4kg, water 191kg, wherein, particle diameter 5-10mm The crushed stone is 342kg of the total amount of crushed stone, and the crushed stone with a particle size of 10-30mm is 634kg of the total amount of crushed stone.

[0036] After the materials are prepared, the above components are mixed, and the mixture is stirred for 2 minutes by a forced mixer in the Forbidden City to obtain the high-strength concrete described in the present invention.

[0037] The construction method of the high-strength concrete described in the present invention, its technological operation is as follows: when using pumping concrete, the concrete should be unloaded on...

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Abstract

The invention discloses high-strength concrete for CL thermal insulation integration, and relates to the technical field of concrete. The high-strength concrete for CL thermal insulation integration comprises the following components: a composite gel material, sand, gravels, a water reducing agent and water according to the dosage per cubic meter. According to the high-strength concrete for CL thermal insulation integration, fly ash is processed to obtain composite fly ash, the composite fly ash is doped, the performance requirement of the concrete can be met, good economic benefits can be obtained, the composite fly ash is used as an admixture of a concrete mixture, the strength of the concrete can be greatly improved, and the concrete has good thermal insulation performance. Therefore, the requirement on high strength of the concrete in the CL thermal insulation integrated construction process is met.

Description

technical field [0001] The invention relates to the technical field of concrete, in particular to a high-strength concrete used for CL thermal insulation integration. Background technique [0002] CL thermal insulation integration is a new type of composite reinforced concrete shear wall building system that integrates an eternal energy-saving technical measure into the wall. The skeleton of the body, after pouring concrete on both sides, plays the dual role of stress and thermal insulation; the internal thermal insulation board forms a unified stress whole with the concrete components through the steel mesh, hardware and connecting rods on both sides, so as to achieve thermal insulation and construction. The purpose of the main structure integration. [0003] With the development of building energy-saving projects in China, more than 95% of new construction projects generally adopt the envelope structure thermal insulation system, and the external wall thermal insulation t...

Claims

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Application Information

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IPC IPC(8): C04B28/04
CPCC04B28/04C04B14/06C04B14/02C04B18/08C04B18/141C04B2103/302Y02W30/91
Inventor 关庆阳于世高邓帅旗
Owner CHINA MCC17 GRP
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