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Form work stripping time Vs Compressive strength of Concrete
APRAMEYANAGARAJA
Dear Seshachalam, Formwork stripping time solely based on adequate strength gain, and associated capability of the structure to withstand the self-weight and any immediate availing superimposed loads. Further, it should be capable of sustaining any oncoming live loads in any form for which the membeRead more
Dear Seshachalam,
Formwork stripping time solely based on adequate strength gain, and associated capability of the structure to withstand the self-weight and any immediate availing superimposed loads. Further, it should be capable of sustaining any oncoming live loads in any form for which the member is designed. We can estimate the probable strength of concrete at any given instant of time, as depicted in the equation as in cl—5.1.1 of SP:24.
This gives a guideline on the estimation of strength gain at a given instant of time. This cannot be considered as a substitute for validating the compressive strength (cube strength) by testing it under compressive testing machine, the required compressive strength as prescribed for the structure has to be met. I hope this helps.
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