Abstract:
Abstract—In this study, sediment from louver edge process
(LES) was used as a fine aggregate in autoclave aerated concrete
(AAC) with various replacement levels (0%, 25%, 50%, 75%,
and 100%) and pulverized fuel ash (PFA) was used to replace for
ordinary Portland cement (OPC) at the level of 80% by weight.
AAC samples were subjected to steam curing at 180C for 8
hours. The physical, mechanical and microstructure properties of
AAC were examined. Results showed that the unit weight and
compressive strength decreased with increasing the amount of
LES. Scanning electron microscopy (SEM) reveals the presence
of platy tobermorite in the reference sample but at increasing
amount of LES, lath-like tobermorite and fibrous CSH were
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