RCC Structures Design
To ensure uniform pressure distribution, the thickness of the foundation, is

Kept uniform throughout
Kept zero at the edge
Decreased gradually towards the edge
Increased gradually towards the edge

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RCC Structures Design
The angle of internal friction of soil mass is the angle whose

Cosine is equal to the ratio of the maximum resistance sliding on any internal inclined plane to the normal pressure acting on the plane
Sine is equal to the ratio of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
None of these
Tangent is equal to the rate of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane

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

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

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