Concrete composite expanding agent
A composite expansion agent and concrete technology, which is applied in the field of concrete composite expansion agent, can solve the problems of high alkali content, low expansion rate, and adverse effects on later strength, and achieve low dosage, good construction performance, and increased concrete slump loss effect
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Embodiment 1
[0008] A concrete composite expansion agent, obtained by mixing the following materials in parts by weight: 35-42 parts of fly ash, 12-15 parts of gypsum powder, 3-5 parts of quicklime, 2-8 parts of alum stone, calcium sulfoaluminate 16-22 servings.
Embodiment 2
[0010] A concrete composite expansion agent is obtained by mixing the following materials in parts by weight: 38 parts of fly ash, 13 parts of gypsum powder, 4 parts of quicklime, 6 parts of alunite and 18 parts of calcium sulfoaluminate.
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