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While designing, for a steel column of Fe250 grade, a base plate resting on a concrete pedestal of M20 grade, the bearing strength of concrete (in N/mm2) in limit state method of design as per IS : 456 - 2000 is __________

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Concept

As per IS 456: 2000, the bearing strength of concrete (fbr) is given by:

 fbr = 0.45 fck (For limit state)

Calculation

 Given, 

 Grade of concrete M20 i.e. fck = 20 MPa  

 ∴ fbr = 0.45 × 20 = 9 MPa

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