Calculating weight of test cube

Calculating weight of test cube at site????

There are different types of test for concrete,cube test is one of them. We will cast cube in cube mould at the time of casting. Generally we take 6 nos of mould, 3 nos for 7 days test & rest 3 nos for 21 days test. Let us go for calculating weight of test cube,

Before we go for calculation we should know two things,

1. Volume of cube = 0.15 * 0.15 * 0.15(units in meter)
2. Unit weight of p.c.c cube = 2400 KG/CUM
3.  Unit weight of r.c.c cube = 2500 KG/CUM 

Weight of p.c.c cube = 0.15 * 0.15 *0.15 * 2400 = 8.1 KG
Weight of r.c.c cube = 0.15 * 0.15 * 0.15 * 2500 = 8.43 KG

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