RCC Structures Design
Total pressure on the vertical face of a retaining wall of height ‘h’ per unit run exerted by the retained earth weighing ‘w’ per unit volume, is

wh² [(1 - sin φ)/3(1 + sin φ)]
wh² [(1 - sin φ)/(1 + sin φ)]
wh [(1 - sin φ)/(1 + sin φ)]
wh² [(1 - sin φ)/2(1 + sin φ)]

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

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

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RCC Structures Design
Pick up the assumption for the design of a pre-stressed concrete member from the following:

A transverse plane section remains a plane after bending
All listed here
During deformation limits, Hook's law is equally applicable to concrete as well as to steel
Variation of stress in reinforcement due to changes in external loading is negligible

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