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Concrete anti-leakage additive

A concrete and additive technology, which is applied in the field of building materials, can solve the problems of poor concrete impermeability and other problems, and achieve the effect of dense internal structure, large quantity and small particle size of concrete

Inactive Publication Date: 2018-01-05
SUZHOU TANGSHI JIANHUA CONCRETE PILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above-mentioned technical problems, the present invention provides a concrete anti-seepage additive. Aiming at the deficiencies in the prior art, the impermeability of concrete is improved by adding rice husk ash, silica fume, polypropylene fiber, etc., which solves the problem of Poor impermeability of existing concrete

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0017] A concrete anti-seepage additive, comprising the following raw materials measured in parts by mass:

[0018]

[0019] Wherein, the expansion agent is an ettringite expansion agent. The water reducer is polycarboxylate water reducer or aliphatic hydroxysulfonate water reducer. The particle size of the silica fume is less than 0.1 μm; the particle size of the fly ash is less than 1 μm.

[0020] The concrete additive is mixed with concrete at a ratio of 1:6, which effectively improves the impermeability of concrete.

Embodiment 2

[0022] A concrete anti-seepage additive, comprising the following raw materials measured in parts by mass:

[0023]

[0024] Wherein, the expansion agent is an ettringite expansion agent. The water reducer is a polycarboxylate water reducer. The particle size of the silica fume is less than 0.1 μm; the particle size of the fly ash is less than 1 μm.

[0025] The concrete additive is mixed with concrete at a ratio of 1:6, which effectively improves the impermeability of concrete.

Embodiment 3

[0027] A concrete anti-seepage additive, comprising the following raw materials measured in parts by mass:

[0028]

[0029] Wherein, the expansion agent is an ettringite expansion agent. The water reducer is an aliphatic hydroxysulfonate water reducer. The particle size of the silica fume is less than 0.1 μm; the particle size of the fly ash is less than 1 μm.

[0030] The concrete additive is mixed with the concrete at a ratio of 1:8, which effectively improves the impermeability of the concrete.

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Abstract

The invention discloses a concrete anti-leakage additive. The concrete anti-leakage additive is prepared from, by mass, 20-30 parts of rice hull ash, 10-20 parts of silica fume, 10-20 parts of pulverized ash, 5-15 parts of polypropylene fiber, 3-5 parts of water reducing agent, 3-5 parts of expansion agent, 1-4 parts of dispersing agent and 1-3 parts of stabilizer. The concrete anti-leakage additive serves as a high-quality concrete additive, the anti-leakage performance of concrete can be effectively improved, and the service life of concrete is prolonged.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a concrete anti-seepage additive. Background technique [0002] Concrete is one of the most important civil engineering materials today. It is composed of cementitious materials, granular aggregates (also known as aggregates), water, and additives and admixtures added when necessary, prepared in a certain proportion, uniformly stirred, densely formed, cured and hardened. artificial stone. Concrete has the characteristics of rich raw materials, low price and simple production process, so its consumption is increasing. At the same time, concrete also has the characteristics of high compressive strength, good durability, and a wide range of strength grades. These characteristics make it widely used, not only in various civil engineering, but also in shipbuilding, machinery industry, marine development, geothermal engineering, etc. Concrete is also an important material. [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/16C04B24/24C04B103/65
Inventor 盛家方
Owner SUZHOU TANGSHI JIANHUA CONCRETE PILE
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