RCC Structures Design
On an absolutely rigid foundation base, the pressure will

Not be uniform
Be more at the edges of the foundation
Be uniform
Be zero at the centre of the foundation

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RCC Structures Design
As per IS : 456, the reinforcement in a column should not be less than

0.6% and not more than 6% of cross-sectional area
0.5% and not more than 5% of cross-sectional area
0.8% and not more than 8% of cross-sectional area
0.7% and not more than 7% of cross-sectional area

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