Construcciones Yamaro: RMIT strengthens case for coffee-based concrete

RMIT strengthens case for coffee-based concrete
Bird’s eye view of a coffee concrete footpath being laid along a busy road in Pakenham. (Image: HiVis Pictures)

Biochar made from spent coffee grounds is helping RMIT researchers produce lower-carbon concrete, with a new life-cycle analysis confirming carbon savings alongside the strength gains seen in earlier lab trials. Earlier experiments saw the RMIT team heat used coffee grounds to about 350 degrees Celsius without oxygen to make a fine biochar. When this replaced …

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