Scientists strengthen concrete by 30 percent with used coffee grounds::Researchers in Australia have found a new use for old coffee grounds: concrete doping!.
Scientists strengthen concrete by 30 percent with used coffee grounds::Researchers in Australia have found a new use for old coffee grounds: concrete doping!.
I only use the finest Portland Arabica for my concrete needs.
Only opus caementicium for my buildings. I want them to last 2000 years.
https://en.wikipedia.org/wiki/Portland_cement