why only water cement ratio always......why not water sand ratio while making concrete
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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.
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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
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