RCC Structures Design
A pre-stressed concrete member is preferred because

Large size of long beams carrying large shear force need not be adopted
All listed here
Removal of cracks in the members due to shrinkage
Its dimensions are not decided from the diagonal tensile stress

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RCC Structures Design
According to load factor method, the permissible load ‘W’ on a short column reinforced with longitudinal bars and lateral stirrups, is

Stress in concrete × area of concrete
Stress in concrete × area of concrete + Stress in steel × area of steel
None of these
Stress in steel × area of steel

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