In shear design of an RC beam, other than the allowable shear strength of concrete (τc), there is also an additional check suggested in IS 456-2000 with respect to the maximum permissible shear stress (τcmax). The check for τcmax is required to take care of:

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Correct Answer is : Possibility of crushing of concrete by diagonal compression.

GATE Civil Engineering (CE) 2016 Shift 1 Solved Paper