With the purpose of accelerating the process of fine-grained concrete solidification on the basis of Ceyranchol volcanic ashes solution CaCl2 has been used. The method of mathematical planning of experiment helped optimize composition of alkaline-mineral fine-grained concrete with average density 1590-1670 kg/m3, ultimate strength at compression in dry condition of 136.8-362.3 kg/sm2 and softening ratio of 0.62-0.698.
RESEARCH INTO TECHNOLOGY OF COMPACT-GRAINED (CLOSE-GRAINED) CONCRETE ON THE BASIS OF ALKALINE-MINERAL BINDING AGENTS
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