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target mean strength
GATE Civil Engineering · Materials & Costing · 2014-2017
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Let the characteristic strength be defined as that value, below which not more than 50% of the results are expected to fall. Assuming a standard deviation of 4 MPa, the target mean...
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2014 PYQ
The target mean strength f cm for concrete mix design obtained from the characteristic strength (f ck ) and standard deviation $$\sigma$$, as defined in IS:456-2000, is
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