Abstract
A fly ash aggregate was been developed with fly ash as main raw material, and dewatering sludge, clay and gesso as auxiliary materials in research. Then the characteristics of surface morphology, wear rate and broken rate, hydrochloric acid soluble rate, bulk density and apparent density, pore ratio and specific surface area, surface roughness were been tested. At the same time, a comparative study with the marketed ceramic ceramsite was been done. The results show that the fly ash aggregate has great advantages in performance characterization over ceramic.
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