Answer / swapnil vedpathak

45d (d is The diameter of bar)

Answer / ravikumar nagineni

as per iS-456 this is depending on grade of concrete and
also grade steel

i.e.,

ex:-grade of concrete -M35
Grade of steel-Fe415
bars are deformed
Then development length 26.55d


where d=dia of bar

Answer / mouli

50d where 'd' is the dia of the bar

Answer / deepak kumar

26.55d

Answer / pradeep

36d d means Using dia of bar

Answer / gopi

50 times the bar diameter. tis is common

Answer / saraswathi

1500mm

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