Computer · Reinforced Concrete Structures
Generally, in R.C.C. sections, the development length of bars (L d ) is given by which of the following expressions as per IS 456 standards? (where σ s = stress in the bar at design load, φ = nominal diameter of the bar, and τ bd = design bond stress)
- 1L d = τ bd σ s 7φ
- 2L d = τ bd σ s 5φ
- 3L d = φσ s 4τ bd✓
- 4L d = φσ s 2τ bd
Correct answer
L d = φσ s 4τ bd
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