High-strength base sealing concrete and preparation technology thereof
A back-sealing concrete and preparation technology, which is applied in the field of back-sealing concrete preparation, can solve the problems that the strength, impermeability and durability of concrete cannot meet the requirements of the society, so as to avoid segregation or bleeding, improve strength and high water-reducing rate Effect
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Embodiment 1
[0016] The components of the back cover concrete include 100 parts by weight of cement, 40 parts of silica sand, 10 parts of modified bamboo fiber, 5 parts of basalt fiber, 30 parts of carboxylated styrene-butadiene latex, 10 parts of sodium alkylsulfonate, and 5 parts of sodium fluorosilicate , 10 parts of zirconia, 10 parts of water reducing agent and 50 parts of water.
[0017] The preparation process of the present embodiment comprises the following steps:
[0018] A. After mixing cement, silica sand, modified bamboo fiber, basalt fiber and 1 / 2 water, add it to a cement mixer and stir at a stirring rate of 800 rpm for 30 minutes, and let it stand for 10 minutes to obtain mixture A;
[0019] B. Add carboxylated styrene-butadiene latex, sodium alkylsulfonate, sodium fluorosilicate, zirconia and 1 / 2 water reducer in sequence to mixture A, mix and stir at a low speed at 200 rpm for 10 minutes , to obtain mixture B;
[0020] C. Add the remaining 1 / 2 water and 1 / 2 water reduce...
Embodiment 2
[0023] The components of the back cover concrete include 300 parts by weight of cement, 100 parts of silica sand, 20 parts of modified bamboo fiber, 15 parts of basalt fiber, 50 parts of carboxylated styrene-butadiene latex, 30 parts of sodium alkylsulfonate, and 15 parts of sodium fluorosilicate , 30 parts of zirconia, 40 parts of water reducing agent and 80 parts of water.
[0024] The preparation process of the present embodiment comprises the following steps:
[0025] A. After mixing cement, silica sand, modified bamboo fiber, basalt fiber and 1 / 2 water, add it to a cement mixer and stir at a stirring rate of 2000 rpm for 50 minutes, and let it stand for 10 minutes to obtain mixture A;
[0026] B. Add carboxylated styrene-butadiene latex, sodium alkylsulfonate, sodium fluorosilicate, zirconia and 1 / 2 water reducer to mixture A in turn, mix and stir at a low speed at 400 rpm for 30 minutes , to obtain mixture B;
[0027] C. Add the remaining 1 / 2 water and 1 / 2 water reduce...
Embodiment 3
[0030] The components of the back cover concrete include 150 parts by weight of cement, 50 parts of silica sand, 12 parts of modified bamboo fiber, 6 parts of basalt fiber, 35 parts of carboxylated styrene-butadiene latex, 13 parts of sodium alkylsulfonate, and 6 parts of sodium fluorosilicate , 13 parts of zirconia, 15 parts of water reducing agent and 55 parts of water.
[0031] The preparation process of the present embodiment comprises the following steps:
[0032] A. After mixing cement, silica sand, modified bamboo fiber, basalt fiber and 1 / 2 water, add it to a cement mixer and stir at a stirring rate of 900 rpm for 35 minutes, and let it stand for 10 minutes to obtain mixture A;
[0033] B. Add carboxylated styrene-butadiene latex, sodium alkylsulfonate, sodium fluorosilicate, zirconia and 1 / 2 water reducer in sequence to mixture A, mix and stir at a low speed at 250 rpm for 15 minutes , to obtain mixture B;
[0034] C. Add the remaining 1 / 2 water and 1 / 2 water reduce...
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