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What is vacuum concrete? Why it is necessary? Explain step by step procedure of vacuum concreting with sketch. Enlist its applications.
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Vaccum Concrete. : The concrete from which water is extracted by a vaccum process before the hardening takes place.

Steps:

  1. Formwork: The MS channels are generally used as the formwork. They act as stopper and also as the support for putting the screed vibrator.

  2. Concrete Pour: Concrete of required mix …

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