3 ms·
IIRC concrete aggregate should be jagged so that it interlocks with itself. You actually can't just use any old sand, you need sharp sand, which is an increasin
by toxik 2y ago
IIRC concrete aggregate should be jagged so that it interlocks with itself. You actually can't just use any old sand, you need sharp sand, which is an increasingly scarce resource.
- defrost 2y agoMy bad .. mentally insert more commas and juggle the clauses :-) The tumbling was only meant to be applied to application requiring rounded grit, you're correct that concrete and other uses might prefer jagged.
- inglor_cz 2y ago"you need sharp sand" Hmm, practical concerns about acquisition aside, would lunar dust work?
- jasomill 2y agoYes: https://en.wikipedia.org/wiki/Lunarcrete https://en.wikipedia.org/wiki/Lunarcrete