Behaviour of engineered cementitious composite (ECC) with utilization of waste materials: A review

Abstract

Engineered Cementitious Composite (ECC) is a special type of composite with high ductility, tensile strength and pseudo-hardening behaviour. The design of Engineered cementitious composite is based on micro mechanics concept with 2% volume fraction of polyvinyl chloride (PVC) fibres. To reduce the cost, constituents of ECC were replaced with locally available material or waste material and effect of these replacements on its mechanical properties was studied by different researchers. A review study was carried on previous research studies to summarize the effect of replacements of different constituents of ECC on the mechanical properties of ECC. In this research paper the effect of replacement of cement with limestone calcined clay cement (LC3), glass powder (GP), ceramic polishing brick powder (CPBP) etc. and fine aggregate with limestone powder, geo-polymer aggregate, M-Sand, crumb rubber, quartz sand etc. has been explored. Partial replacement with post-processed sugar bagasse ash and fly ash led to reductions in compressive strength. Incorporation of glass powder, ceramic polishing brick powder (CPBP), slag, and nano silica showed varying effects on strength and strain capacity of ECC. Replacing fine silica sand in ECC with coarse river sand maintained compressive strength and tensile strain but decreased tensile strength, while limestone powder increased early-age compressive strength but decreased long-term strength in high volume fly ash ECC. Using waste material as a replacement for cement has reduced the amount of cement used in ECC, which reduces carbon and energy footprints, making ECC green and cost effective.