RCC Structures Design
Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less than

One diameter of thicker bar
One diameter of thinner bar
None of these
Twice the diameter of thinner bar

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RCC Structures Design
Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than

42 diameters from the centre of the column
24 diameters from the centre of the column
42 diameters from the inner edge of the column
42 diameters from the outer edge of the column

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