Efflorescence-resistant concrete and preparation method thereof
A technology for concrete and efflorescence resistance, applied in the field of building materials, can solve the problems such as hindering free diffusion of free calcium ions in concrete, unsatisfactory effect of anti efflorescence measures, affecting the compressive strength of concrete, etc. The effect of inhibiting the phenomenon of efflorescence and good workability
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[0082] A preparation method of anti-efflorescence concrete, comprising the following steps:
[0083] Mixing cement, aggregates and admixtures to prepare dry materials;
[0084] Mix acrylate functional agent, water reducing agent and water to prepare liquid material;
[0085] mixing said dry material and liquid material;
[0086] The weight part of the cement is 8-25 parts; the weight part of the aggregate is 60-90 parts; the weight part of the admixture is 2-6 parts; the weight part of the acrylate functional agent is 0.01 -0.4 part; The weight part of described water reducer is 0.1-0.3 part;
[0087] The acrylate functional agent is selected from acrylate monomers and / or acrylate polymers.
[0088] Preferably, after mixing the dry material and the liquid material, they are forced to stir to form a mixture with good fluidity.
[0089] To use, pour the mixture into the mold.
[0090] It can be understood that forced stirring can be carried out in a forced mixer. In a force...
Embodiment 1
[0095] This embodiment provides a kind of anti-efflorescence concrete and its preparation method and use method, the steps are as follows:
[0096] In parts by weight, weigh 15 parts of white cement, 0.5 part of inorganic pigment, 3 parts of white silica fume, 35 parts of sand, 39 parts of stone, 7 parts of water, 0.2 part of calcium polyacrylate, and 0.3 part of water reducer.
[0097] Mix cement, inorganic pigments, white silica fume, sand and stones to obtain dry materials.
[0098] Mix water reducing agent, water and calcium polyacrylate to obtain liquid material.
[0099] Mix the dry material and the liquid material and forcefully stir to form a mixture with good fluidity, which is the anti-efflorescence concrete.
[0100] When in use, inject the above-mentioned pan-alkali-resistant concrete into the mould.
Embodiment 2
[0102] This embodiment provides a kind of anti-efflorescence concrete and its preparation method and use method, the steps are as follows:
[0103] In parts by weight, weigh 12 parts of white cement, 0.2 parts of inorganic pigment, 2 parts of white silica fume, 38 parts of sand, 42 parts of stone, 4.5 parts of water, 0.1 part of magnesium acrylate, and 0.1 part of water reducer.
[0104] Mix cement, inorganic pigments, white silica fume, sand and stones to obtain dry materials.
[0105] Mix water reducing agent, water and magnesium acrylate to obtain liquid material.
[0106] Mix the dry material and the liquid material and forcefully stir to form a mixture with good fluidity, which is the anti-efflorescence concrete.
[0107] When in use, inject the above-mentioned pan-alkali-resistant concrete into the mould.
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