Lower binder intensity eco-efficient concretes

Abstract: This chapter discusses strategies for mitigating CO 2 emissions from the concrete chain. Current strategies, which focus on cement production processes such as clinker replacement, kiln efficiency, fuel substitution and CO 2 capture, among others, are not effective enough to compensate for the increase in production that is expected to occur in the future. Binder use efficiency is therefore a crucial strategy for decreasing environmental impacts. Exploratory data from literature, real market and lab research indicates that the potential for decreasing emissions from the concrete chain is very high, and will require changes to the formulation and processing of concrete, as well as the production of aggregates, cement and fillers.

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