0.42cub.m (Cement sand mortar)
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How many 8"X8"X16" concrete hollow block from 50 kg cement
34 PCs. of hollow blocks
There are many different formulas for concrete blocks, depending on what they will be used for. One of the more common formulas is one part Portland cement, 2 parts sand, and 1 part gravel.
you wouldn't even need 1 bag of cement and there are also lots of variables, thickness, mix ratio, bag sizes?
Forty five 80 pound bags of cement are needed to make one cubic yard of concrete.