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mix design

GATE Civil Engineering · Concrete Technology - Mix Design · 2018-2019

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2019 Q21

The characteristic compressive strength of concrete required in a project is 25 MPa and the standard deviation in the observed compressive strength expected at site is 4 MPa. The a...

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2018 Q15

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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