this post was submitted on 25 Aug 2023
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Scientists strengthen concrete by 30 percent with used coffee grounds (www.engadget.com)
submitted 1 year ago by L4s to c/technology
46 comments fedilink hide all child comments
 

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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[–] BradleyUffner 58 points 1 year 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.

[–] [email protected] 52 points 1 year 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

[–] scarabic 8 points 1 year ago

Two materials that have both been known for a long time.