3 ms·
Isn't the river sand full of mud, in many cases? Can it really be washed that well?
by tryingagainbro 9y ago
Isn't the river sand full of mud, in many cases? Can it really be washed that well?
- jaclaz 9y agoNot only it can be washed perfectly but river sand (and gravel) tend to be much better for concrete when compared to "crushed" aggregates. More or less the reason is that usually for a given size river ones are harder/more resistant, and have rounded edges (which also imply a bigger resistance) due to the cycles (wear, long time immersion, etc.) they were subjected to in the river. And, as a final advantage, concrete made with rounded aggregates is usually easier to pump.
- PhasmaFelis 9y agoMud is just soil in water, and drying and sieving soil is easy.