RCC Structures Design
The length of the straight portion of a bar beyond the end of the hook, should be at least

Four times the diameter
Twice the diameter
Seven times the diameter
Thrice the diameter

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

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