this post was submitted on 25 Aug 2023
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585
Scientists strengthen concrete by 30 percent with used coffee grounds (www.engadget.com)
submitted 2 years ago by [email protected] to c/[email protected]
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Scientists strengthen concrete by 30 percent with used coffee grounds::Researchers in Australia have found a new use for old coffee grounds: concrete doping!.

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[โ€“] [email protected] 57 points 2 years ago (2 children)

From a materials science perspective, a jump of 30% for a material that's been well known for thousands of years seems unlikely.

[โ€“] [email protected] 52 points 2 years ago

Well, not really. They only mentioned compressive strength, so other important qualities and measures could be worse in unacceptable ways.

Or maybe it's great. https://www.concretecentre.com/Specification/Innovative-concrete/Charcoal-Concrete.aspx