RCC Structures Design
The width of the rib of a T-beam, is generally kept between

1/7 to 1/3 of rib depth
1/2 to 3/4 of rib depth
1/3 to 2/3 of rib depth
1/3 to 1/2 of rib depth

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

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

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RCC Structures Design
In a singly reinforced beam

Compression is borne entirely by concrete
Plane sections transverse to the centre line of the beam before bending remain plane after bending
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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