एक प्रबलित कंक्रीट (RC) खंड में नाममात्र अपरूपण प्रतिबल (nominal shear stress) का प्रतिरोध किसके द्वारा किया जाता है?

For axial load and combined biaxial bending moment in the iteration formula used by IS 456, αn is based on Pu / Puz, where Puz is given by:

A compression member is considered to be short if its slenderness ratio satisfies which of the following conditions?