RCC Structures Design
Long and short spans of a two way slab are ly and lx and load on the slab acting on strips parallel to lx and ly be wx and wy respectively. According to Rankine Grashoff theory

None of these
(wx/wy) = (ly/lx)⁴
(wx/wy) = (ly/lx)²
(wx/wy) = (ly/lx)

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RCC Structures Design
If the length of a combined footing for two columns l meters apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed load, is (where x̅ is the distance of centre of gravity of column loads).

y = L - (l - x̅)
y = L/2 - (l + x̅)
y = L/2 - (l - x̅)
y = L/2 + (l - x̅)

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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

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

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