Can somebody tell me in which code its give development length of 57 times the diameter?

[Quensa Ring]

Can somebody tell me in which code its give development length of 57 times the diameter? Or there is a new revision of IS 13920. Thank You in advance.

 

[mehtarohan001]

Can somebody tell me in which code its give development length of 57 times the diameter? Or there is a new revision of IS 13920. Thank You in advance.

IS 456:2000,
Ld=0.87*Fy*bar dia/(4Tbd)
put the minimum values and you will get these result
and 13920:2016 is latest code

 

[Quensa Ring]

IS 456:2000,
Ld=0.87*Fy*bar dia/(4Tbd)
put the minimum values and you will get these result
and 13920:2016 is latest code

Thanks