RCC Structures Design
The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or

24 bar diameters
30 bar diameters
12 bar diameters
18 bar diameters

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RCC Structures Design
In a singly reinforced beam

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

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