Civil Engineering > GATE 2013 > RCC Design
As per IS 456:2000 for M20 grade concrete and plain bars in tension the design bond stress \(\tau_{bd}\) = 1.2 MPa. Further, IS 456:2000 permits this design bond stress value to be increased by 60% for HSD bars. The stress in the HSD reinforcing steel bars in tension, \(\sigma_s\) = 360 MPa. Find the required development length, \(L_d\) for HSD bars in terms of the bar diameter, \(\phi\).
Correct : d
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