Computer · Prestressed Concrete
According to IS 1343:2012, for the end zone in post-tensioned members, the permissible unit bearing stress on the concrete immediately behind external anchorages, after accounting for losses, shall NOT exceed (where fci is the cube strength at transfer, Abr is the bearing area and Apun is the punching area):
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.40fci√(Abr/Apun) or 0.45 fck, whichever is smaller.
- 20.48fci√(Abr/Apun) or 0.8 fck, whichever is smaller.✓
- 30.58fci√(Abr/Apun) or 0.85 fck, whichever is smaller.
- 40.8fci√(Abr/Apun) or 0.38 fck, whichever is smaller.
Correct answer
0.48fci√(Abr/Apun) or 0.8 fck, whichever is smaller.
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