Answer / deepak

Water plays an important role in hydration of cement due to which cement gains strength, while sand acts only as a filler material to increase the volume of concrete or mortar as the case may be.

Answer / gowtham1993

For higher-strength concrete, lower water:cement ratios are used, along with a plasticizer to increase flowability. Too much water will result in segregation of the sand and aggregate 

Curvature ki quantity kaise nikalte hai pls give me ans... curvature canal ka hai

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