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Boyle's Law

While designi...

Question

While designing for a steel column of Fe250 grade, the base plate resting on a concrete pedestal of M20 grade, the bearing strength of concrete $N / m m^{2}$ in LSM of design as per IS 456:2000 is _______.
9

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Solution

The correct option is A 9
Permissible bearing stress
$= 0.45 f_{c k} = 0.45 \times 20 = 9 N / m m^{2}$

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