Modified Concrete Expansive Agent
A technology of expansion agent and concrete, which is applied in the field of building material concrete admixture, can solve unsatisfactory problems and achieve the effect of increasing market value, improving early strength, and improving intrinsic activity
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Embodiment 1
[0044] A modified concrete expansion agent, made of the following components in proportion by weight: 15 parts of calcium aluminosilicate, 28 parts of calcium sulfoaluminate, 22 parts of sulfur-fixing waste residue, 15 parts of modified red mud, tourmaline powder 2 parts, 7 parts of iron slag, 5 parts of modified calcium oxide, 5 parts of magnesium oxide, 4 parts of sodium methyl silicate, 3 parts of calcium formate, 0.2 parts of azodicarbonamide, 0.5 parts of maltodextrin, lignin sulfonate 2 parts of sodium bicarbonate, 0.4 parts of polyethylene glycol ether, 2 parts of polycarboxylate superplasticizer, 3 parts of modified diatomite powder, and 0.6 part of nano calcium carbonate.
Embodiment 2
[0046] A modified concrete expansion agent, which is made of the following components in proportion by weight: 10 parts of calcium aluminosilicate, 25 parts of calcium sulfoaluminate, 20 parts of sulfur-fixing waste residue, 10 parts of modified red mud, tourmaline powder 1 part, 6 parts of iron slag, 4 parts of modified calcium oxide, 4 parts of magnesium oxide, 3 parts of sodium methyl silicate, 2 parts of calcium formate, 0.1 part of azodicarbonamide, 0.4 part of maltodextrin, lignin sulfonate 1 part of sodium bicarbonate, 0.3 part of polyethylene glycol ether, 1 part of polycarboxylate superplasticizer, 2 parts of modified diatomite powder, and 0.5 part of nanometer calcium carbonate.
Embodiment 3
[0048] A modified concrete expansion agent, made of the following components in proportion by weight: 20 parts of calcium aluminosilicate, 30 parts of calcium sulfoaluminate, 25 parts of sulfur-fixing waste residue, 20 parts of modified red mud, tourmaline powder 5 parts, 8 parts of iron slag, 6 parts of modified calcium oxide, 6 parts of magnesium oxide, 5 parts of sodium methyl silicate, 4 parts of calcium formate, 0.3 parts of azodicarbonamide, 0.7 parts of maltodextrin, lignin sulfonate 4 parts of sodium bicarbonate, 0.6 part of polyethylene glycol ether, 3 parts of polycarboxylate superplasticizer, 5 parts of modified diatomite powder, and 0.8 part of nanometer calcium carbonate.
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