Question

In a reinforced concrete section, the shape of the nominal shear stress diagram is

• A. parabolic over the full depth
• B. parabolic above the neutral axis and rectangular below the neutral axis
• C. rectangular over the full depth
• D. rectangular above the neutral axis and parabolic below the neutral axis

Answer 1

The correct option is C rectangular over the full depth

Nominal shear stress $\left({\tau }_v\right)=\frac{V}{bd}$
Nominal shear stress variation is up to tension reinforcement but there is no such option in question so most appropriate answer is (c).