Abstract
Controlled low-strength material (CLSM) was newly designed using municipal solid waste bottom ash and dredged sediment as raw materials. Up to 80% of waste utilization by mass was achieved with all requirements fulfilled as general CLSM. The compressive strength of CLSMs made with bottom ash is generally higher than that of sediment. The formation of C–S–H gel contributes to the strength development and heavy metal immobilization from wastes. The heavy metal concentrations in the TCLP leachates of CLSM are far below the U.S.EPA regulatory standards, and the CLSMs are suitable for a wide range of construction applications.
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