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 strength (in MPa) to be considered in the mix design of a M25 concrete would be

GATE 2018 Civil Engineering Q15 — Civil Engineering

GATE 2018Set CombinedQ15MCQanswer keyexplanation soonmedium

Civil Engineering · Concrete Technology - Mix Design

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Recurring concept

Concrete Technology - Mix Design has appeared in GATE Civil Engineering 3 times across 3 years (2018, 2019, 2023).

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concretemix designcharacteristic strengthstandard deviation