How To Calculate Bend Deduction Length for Steel Bars As Per IS Code I For BBS I Part- 1

Hello Friends,
In this video tutorial, we will learn Bend Deduction length of steel bars and proof these questions about bend deduction is as follows
#benddeductionasperiscode #benddeductioninbbs
1. How to Calculate Bend deduction in bars as per IS Code 2502-1963?
2. How much Bend deduction should we take in BBS for Reinforcement of steel?
for,
8mm, 10mm, 12mm, 16mm = 1*d
20mm, 25mm, 32 mm = 2*d
where, d= Diameter of bars
3. Bend Deduction Formula?
4. Why for calculation we are taking centre or neutral axis
5. Bend Deduction is not about the elongation of the bar
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#BendDeduction #AsPerISCode2502-1963 #DNDConstruction #civilengineernarendrapatle

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docs.google.com/spreadsheets/d/1p6gMe1zceVsrcLXXC3wTZ92H-Ddk5xAceQlYwEsjEhE/edit?usp=sharing
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[@imadkhan2644]

You have taken k value as 2 where as k is 4 for HYSD.

[@deboprasadbiswas1987]

Sir, lekin k=2 to only mild steel bar k lia hai....humlog site me to HYSD bar use karte hai......

[@deboprasadbiswas1987]

But why you add always 5mm for root bending dia of different dia of bars??

[@samdecent4362]

what to refer for 135 & 180 degree bend?

[@durganandjha6459]

how will calculate cutting length of stirrups

[@DNDConstruction]

@durganand
You can watch video cutting length of rectangular stirrups in that I have explained or you can watch any BBS video in that you will get how to calculate Cutting Length

[@tausifkhan9869]

What is bend allowance?

[@Ajit551kumar]

Sir 135⁰ &180⁰ ka calculation kya hoga

[@AKHILESHYADAV-og5dr]

For 20,25,32 bending ka kya hoga

[@DNDConstruction]

Use
8mm,10mm,12mm,16mm - 1xdia
20mm, 25mm, 32 mm - 2x dia
It's practical based values
You can use, based on angle of bend

[@Er.Rajasthani]

16 MM Bar bend in 135' Then bend deduction 1 D..........?????

[@DNDConstruction]

Yes it's same

[@journeyviewers4600]

@@DNDConstruction 1.1d for 90 bend .if we calculate 135 degree bend what will get

[@gokulsivakumar4930]

Should nt it be 3d

[@loganathanc3476]

Your vedio totaly wrong

[@gokulsivakumar4930]

Then can you explain which is right
Directly we take 1d for 45' bends