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
Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam

Are bent up at suitable places to serve as shear reinforcement
Are curtailed if not required to resist the bending moment
Are bent down at suitable places to serve as shear reinforcement
Are maintained at bottom to provide at least local bond stress

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