Answer / vikash

It is because the bottom reinforcement rebars are not sufficient to withstand the tensile stress. It generally happens in the case of doubly reinforced section. Since the bottom reinforcement are not able to nullify the tensile strength so we provide the top reinforcement in compression zone to withstand the remaining tensile stress.

How much pressure will be drop when we apply the P.R.V. In the upvc downtake for stilt 28?

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What is the difference between Design and nominal mix?

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