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Reinforced Cement Concrete

Introduction - Shear Design

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Question

While checking shear resistance of reinforced concrete beams for limit state of collapse as per IS:456, which one of the following nominal shear stress recommendations is to be adhered to?
(V $_{u}$ is shear force at vertical cross-section, 'b' and 'd' are overall breadth and effective depth of beam respectively)

A

\frac{0.5 V_{u}}{b d}

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B

\frac{2 V_{u}}{5 b d}

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C

\frac{V_{u}}{0.5 b d}

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D

\frac{V_{u}}{b d}

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Solution

The correct option is D $\frac{V_{u}}{b d}$
The nomial shear stress $τ_{v} = \frac{V_{u}}{b d}$ .

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