RCC Structures Design
If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the bond length is given by

π ft .d²/fb
ft .d/4fb
(π/4). (ft .d/fb)
(π/4). (ft .d3/fb)

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RCC Structures Design
If the shear stress in a R.C.C. beam is

Greater than 4 kg/cm², but less than 20 kg/cm², shear reinforcement is provided
All of these
Greater than 20 kg/cm², the size of the section is changed
Equal or less than 5 kg/cm², no shear reinforcement is provided

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