RCC Structures Design
Steel bars are generally connected together to get greater length than the standard length by providing

Dowel splice
Straight bar splice
All listed here
Hooked splice

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RCC Structures Design
The self-weight of the footing, is

Not considered for calculating the upward pressure on footing
Not considered for calculating the area of the footing
Both (b) and (c)
Also considered for calculating the upward pressure on footing

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