According to IS 10262:2019, the relationship between target mean compressive strength (f t ) and characteristic compressive strength (f ck ) of concrete is given by:

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Physics · Concrete Technology

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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f t = f ck + 1.65 × standard deviation

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Answer 1

f t = f ck + 1.65 × standard deviation

Answer 2

f t = f ck + 0.65 × standard deviation

Answer 3

f t = f ck + 1.25 × standard deviation

Answer 4

f t = f ck + 1.05 × standard deviation

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