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High-density wear-resistant concrete

A concrete and dense technology, which is applied in the field of high-density anti-wear concrete, can solve the problems of high cost and achieve the effect of good decorative texture, good waterproof and low cost

Inactive Publication Date: 2011-12-14
XINJIANG CONSTR ENG GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The increase in wall thickness can improve its wear resistance to a certain extent and prolong the service life of the mixing tank, but its cost is also doubled.

Method used

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Embodiment Construction

[0012] A kind of high-density anti-abrasion concrete, which is made by the concrete manufacturing process. In this process, the following process parameters need to be adopted. (1) The concrete is added with a caulking agent, a hardening agent and a compacting agent, and the fineness requirements of the three Sieve through 0.315 mm sieve hole ≤ 10%, moisture content = 3.0%; (2), the amount of caulking agent, hardener and compacting agent in concrete is 8% of the weight of cement used; (3) , Concrete design water-binder ratio is 0.25~0.3; (4) Selection of fine aggregate in concrete: medium-coarse sand, particle gradation is coarse sand in Zone I, fineness modulus 3.6, mud content 0.6%, apparent The density is 2650Kg / m3, the bulk density is 1525Kg / m3, and the moisture content is 2%; (5). The selection of coarse aggregate in concrete: natural pebbles with a particle size of 8-13mm, qualified grading, and an apparent density of 2710Kg / m3, containing The mud content is 0.3%, the mo...

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Abstract

The invention discloses a high-density anti-abrasion concrete, which is made by a concrete manufacturing process, and the following process parameters need to be adopted in the process: (1) a caulking agent, a hardening agent and a compacting agent are added to the concrete, and the ratio of the three The fineness requires 0.315 mm sieve sieve residue ≤ 10%, moisture content ≤ 5.0%; (2) The amount of caulking agent, hardener and compacting agent in concrete is 5~10% of the weight of cement used (3) The design water-binder ratio of concrete is 0.25~0.3; (4) The choice of fine aggregate in concrete: medium-coarse sand, particle gradation is coarse sand in zone I, fineness modulus 3.6, mud content 0.6%, The apparent density is 2650Kg / m3, the bulk density is 1525Kg / m3, and the moisture content is 2%; (5) The selection of coarse aggregate in concrete: natural pebbles with a particle size of 8-13mm, qualified grading, and an apparent density of 2710Kg / m3. The mud content is 0.3%, the moisture content is 1%, and the crushing index is 5%.

Description

technical field [0001] The invention relates to a high-density wear-resistant concrete. Background technique [0002] The existing concrete production technology is quite mature, which has greatly promoted the rapid development of modern society. However, for some special workplaces, the demand for concrete with special properties is still very prominent. For example, there is a concrete mixer. In order to slow down the wear of the inner wall of the mixing tank, it is unrealistic to only increase the wall thickness continuously. The increase in wall thickness can improve its wear resistance to a certain extent and prolong the service life of the mixing tank, but its cost is also doubled. Contents of the invention [0003] The purpose of the present invention is to provide a high-density anti-wear concrete, which can be produced by using the existing concrete production technology, has low cost, and has relatively outstanding wear resistance and good anti-wear effect. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00
Inventor 李桂江赵希民张学利王海陵黄志平石凌高杜永忠杨进平游书海
Owner XINJIANG CONSTR ENG GRP
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