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Concrete with functions of crack resistance and infiltration resistance

An impermeable concrete and anti-cracking technology, applied in the field of concrete, can solve the problem that concrete anti-cracking, impermeability and durability cannot meet the requirements of society, and achieve good synergistic effect, improve impermeability, and increase strength. Effect

Inactive Publication Date: 2015-03-04
WUWEI HENGJI COMML CONCRETE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the crack resistance, impermeability and durability of concrete cannot meet the requirements of society, and further research and improvement are needed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The anti-cracking and impermeable concrete of the present invention, its raw material comprises the following components by weight: 70 parts of cement, 500 parts of gravel, 50 parts of river sand, 50 parts of fly ash, 30 parts of slag, 20 parts of coal gangue, 20 parts of basalt fiber, 15 parts of polypropylene fiber, 5 parts of glass fiber, 13 parts of expanded perlite, 80 parts of nano silicon dioxide, 15 parts of nano calcium carbonate, 3 parts of sodium lauryl sulfate, 3 parts of zinc stearate , 2 parts of zinc borate, 7 parts of sodium citrate, 0.5 parts of acetyl tributyl citrate, 1.3 parts of diethylenetriamine, 3 parts of water reducer, 80 parts of water;

[0017] Wherein, the water reducer is prepared according to the following process: add 40 parts of methallyl alcohol polyoxyethylene ether and 20 parts of methacrylic acid to 20 parts of distilled water in parts by weight, and stir for 6 minutes to form solution A; Add sodium persulfate, 0.5 parts of ammonium ...

Embodiment 2

[0019] The anti-cracking and impermeable concrete of the present invention, its raw material comprises the following components by weight: 100 parts of fly ash Portland cement, 400 parts of gravel, 70 parts of river sand, 40 parts of fly ash, 60 parts of slag , 5 parts of coal gangue, 50 parts of basalt fiber, 5 parts of polypropylene fiber, 20 parts of glass fiber, 6 parts of expanded perlite, 20 parts of nano silicon dioxide, 5 parts of nano calcium carbonate, 1 part of sodium lauryl sulfate, 6 parts of zinc stearate, 5 parts of zinc borate, 3 parts of sodium citrate, 1.4 parts of acetyl tributyl citrate, 0.7 parts of diethylenetriamine, 10 parts of water reducer, 100 parts of water;

[0020] Wherein, the water reducer is prepared according to the following process: 20 parts by weight of methallyl alcohol polyoxyethylene ether and 10 parts of methacrylic acid are added to 30 parts of distilled water, stirred for 3 minutes to form solution A; Add sodium persulfate, 0.1 part o...

Embodiment 3

[0022] The anti-cracking and impervious concrete of the present invention, its raw material comprises the following components by weight: 85 parts of slag Portland cement, 423 parts of gravel, 56 parts of river sand, 43 parts of fly ash, 42 parts of slag, coal 16 parts of gangue, 39 parts of basalt fiber, 8.6 parts of polypropylene fiber, 16 parts of glass fiber, 9.6 parts of expanded perlite, 75 parts of nano-silica, 12 parts of nano-calcium carbonate, 1.9 parts of sodium lauryl sulfate, stearin Zinc acid 5.4 parts, zinc borate 4.5 parts, sodium citrate 6.3 parts, acetyl tributyl citrate 1.2 parts, diethylenetriamine 1.15 parts, water reducing agent 8.9 parts, water 93 parts;

[0023] Wherein, the water reducer is prepared according to the following process: 31 parts of methallyl alcohol polyoxyethylene ether and 16 parts of methacrylic acid are added to 27 parts of distilled water in parts by weight, and stirred for 3.8 minutes to form solution A; Parts of sodium persulfate,...

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PUM

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Abstract

The invention discloses concrete with the functions of crack resistance and infiltration resistance. The concrete comprises the following raw materials in part by weight: 70-100 parts of cement, 400-500 parts of macadam, 50-70 parts of river sand, 40-50 parts of fly ash, 30-60 parts of mine residues, 5-20 parts of coal slack, 20-50 parts of basalt fibers, 5-15 parts of polypropylene fibers, 5-20 parts of glass fibers, 6-13 parts of expanded perlite, 20-80 parts of nanometer silicon dioxide, 5-15 parts of nano calcium carbonate, 1-3 parts of sodium dodecyl sulfate, 3-6 parts of zinc stearate, 2-5 parts of zinc borate, 3-7 parts of sodium citrate, 0.5-1.4 parts of acetyl tributyl citrate, 0.7-1.3 parts of diethylenetriamine, 3-10 parts of a water reducing agent, and 80-100 parts of water. The concrete disclosed by the invention has the advantages of good crack resistance, excellent infiltration resistance and good durability.

Description

technical field [0001] The invention relates to the technical field of concrete, in particular to an anti-cracking and impervious concrete. Background technique [0002] Concrete is the largest construction material today, and high-performance concrete represents the development direction of concrete technology. In recent years, with the vigorous development of the domestic construction industry, the requirements for the crack resistance and durability of the concrete consumed in the construction process have been continuously increased. At present, the crack resistance, impermeability and durability of concrete cannot meet the requirements of society, and further research and improvement are needed. Contents of the invention [0003] Based on the technical problems existing in the background technology, The invention provides an anti-cracking and impervious concrete, which has good cracking resistance, excellent impermeability and good durability. [0004] The inventio...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B28/04C04B28/08C04B18/30C08F283/06C08F220/06C04B24/26C04B103/30
CPCY02W30/91
Inventor 倪友
Owner WUWEI HENGJI COMML CONCRETE
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