HOW TO: Estimate Cement, Sand and Gravel for your …
Quantity of Gravel = Volume * Gravel multiplier for a Class "A" mix = 0.90m3 * 1 = 0.90m3 . SAMPLE PROBLEM 2. Compute for the quantity of 50kg cement bags, sand and gravel needed for a class "C" mixture slab that is 5 meters long, 10 meters wide and 0.250 meters thick. SOLUTION. Compute for the volume of concrete mix:
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