Sustainable Concrete Meet performance requirements of the owner, designers, contractor and producer, Minimize Energy and CO2 Footprint, Minimize Potable Water Use, Minimize Waste, Increase Use of Recycled Content. Current cement production depended highly on non-renewable materials and requires high energy for production of which causes negative impact to the environment. This paper discuses a large number of innovative ideas by varies researchers on the replacement cement for sustainable concrete. About thirty-two (32) supplementary cement materials are considered. These are; Eggshell
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