RCC Structures Design
An R.C.C. column of 30 cm diameter is reinforced with 6 bars 12 mm φ placed symmetrically along the circumference. If it carries a load of 40,000 kg axially, the stress is

100 kg/cm²
250 kg/cm²
175 kg/cm²
49.9 kg/cm²

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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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