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Reinforced Concrete Design - IS Codes
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A 16 mm thick plate measuring 650 mm x 420 mm is used as a base plate for an ISHB 300 column subjected to a factored axial compressive load of 2000 kN. As per IS 456-2000, the minimum grade of concrete that should be used below the base plate for safely carrying the load is
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A
M 20
💡 Explanation:
Plate size and column dimension has nothing to do with minimum grade of concrete, As per IS : 456 - 2000
$$f_{ck} = 20MPa$$
or grade of concrete M-20