Investigations of Common Effluent Treatment Plant Sludge based Controlled Low-Strength Material

Kumar, B N Skanda; Shashishankar, A ; Gowda, C Chandre; Naveena, M P


The management of industrial waste is a difficult task in the developing country like India. In the study, fresh and in-service properties of controlled low-strength material (CLSM) consisting of cement, class-F flyash, CETP sludge, M-sand and water were determined by laboratory scale tests. The CETP considered when combined with cement and flyash, exhibit self-hardening characteristics similar to cement. The developed CLSM constitute for five classes of mix design (A, B, C, D and E). The results show that the proposed CLSM satisfy for the pavement backfilling for sub-base and sub-grade of flexible pavement requirements.


Controlled low-strength material; Unconfined compressive strength; Permeability; Compressibility;California bearing ratio

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