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The strength of a fully matured concrete sample is 500 kg/cm2. When cured at an average temperature of 20∘C in day, 10∘C in night, datum temperature T0, is −11∘C. If Plowman constants A is 32 and B is 54, the strength of identical concrete at 7 days will be nearly :

Answer»

The strength of a fully matured concrete sample is 500 kg/cm2. When cured at an average temperature of 20C in day, 10C in night, datum temperature T0, is 11C. If Plowman constants A is 32 and B is 54, the strength of identical concrete at 7 days will be nearly :



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