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

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

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RCC Structures Design
In a beam the local bond stress Sb, is equal to

Leaver arm/(Bending moment × Total perimeter of reinforcement)
Shear force/(Leaver arm × Total perimeter of reinforcement)
Leaver arm/(Shear force × Total perimeter of reinforcement)
Total perimeter of reinforcement/(Leaver arm × Shear force)

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