World-first 'coffee concrete' gets laid, 30% stronger than regular
Last year, researchers from RMIT University in Melbourne, Australia, found that replacing up to 15% of the sand ordinarily used in concrete with waste coffee grounds made it 30% stronger. It's a case of killing two birds with one coffee bean: the production method not only reduces reliance on sand, a non-renewable resource, but also reduces the amount of organic waste sent to landfills, thereby reducing its contribution to greenhouse gas emissions.
Tags: Concrete, Coffee, Organic, Waste, RMIT University
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