Ultra Low Carbon Concrete

Concrete contributes towards 8% of global CO2 emissions due to the carbon intensive production of cement. To help towards achieving a ‘net zero’ target, this contractor has developed and produced a cement alternative for use in concrete.

This new concrete product contains 0% Ordinary Portland Cement (OPC) and is classified as an Ultra Low Carbon Concrete (ULCC). The cement replacement consists of 96% Ground Granulated Blast furnace Slag (GGBS) a by-product of the steel industry and contributing to a circular economy, and 4% alkali activated binder.

A total of 350m3 C40/50 compressive strength Ultra Low Carbon Concrete was poured, resulting in a saving of up to 70% CO2 emissions compared to the initial design

Footer Reference

Monitor Report. VINCI Construction. London. May 2022.


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