Building materials 1m? ordinary concrete in the fine aggregate (river sand) to be equipped with 1m ??

The volume of river sand is the mass (t) / bulk density = the path of the prostitutes. 1m? ordinary concrete with a capacity of 2350 said! More

Certainly not so much, but the specific depends on how much concrete mix

Certainly not so much ah, there should be a standard bar

The volume of river sand is the mass (t) / bulk density = the path of the prostitutes. 1m? ordinary concrete with a capacity of 2350 said! More