Ultra Low Carbon Concrete

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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

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Monitor Report. VINCI Construction. London. May 2022.

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About this entry

Published 11 August 2022
Views 3689

Categories
Carbon reduction, Circular economy, Lower embodied carbon content materials,

Size of site
Large,

Level of Best Practice
Good practice,

About the author

Jack Endean
Partnerships and Innovations Manager

Entries by this author 1006

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