RCC Structures Design
Steel beam theory is used for

Beams if shear exceeds 4 times allowable shear stress
Steel beams encased in concrete
Design of simple steel beams
Doubly reinforced beams ignoring compressive stress in concrete

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

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

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