RCC Structures Design
According to the steel beam theory of doubly reinforced beams

Compression is resisted by compression steel
Stress in tension steel equals the stress in compression steel
Tension is resisted by tension steel
All of the listed here

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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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RCC Structures Design
In a singly reinforced beam

Plane sections transverse to the centre line of the beam before bending remain plane after bending
Compression is borne entirely by concrete
Steel possesses initial stresses when embedded in concrete
Elastic moduli for concrete and steel have different values within the limits of deformation of the beam

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