Abstract
Ceramsite was prepared from sludge, oil sludge and building residue, and the ratio of ceramsite and sintering process was determined by orthogonal test. The effects of different ratios and sintering process on the compressive strength and bulk density of ceramsite were studied. The strength and thermal conductivity of ceramsite foam concrete were tested by using prepared ceramsite as light aggregate to determine the optimal ratio scheme of ceramsite foam concrete. By designing the early cracking test of concrete, the cracking inhibition effect of ceramsite in foam concrete was explored, which provided a theoretical basis for the application of foam concrete.
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