RCC Structures Design
The effective span of a simply supported slab, is

Distance between the centers of the bearings
None of these
Clear distance between the inner faces of the walls plus twice the thickness of the wall
Clear span plus effective depth of the slab

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

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