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Minimum diameter

 
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yogeendraholebagilu
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Joined: 16 Jul 2008
Posts: 11

PostPosted: Wed Oct 11, 2017 9:49 am    Post subject: Minimum diameter Reply with quote

Dear all,
What is the minimum diameter of bar that can be used for stirrups in PSC beams according to IS code??
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kunalkansara
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Joined: 26 Jan 2003
Posts: 185

PostPosted: Tue Oct 17, 2017 5:30 pm    Post subject: Reply with quote

Dear Engineer

It depends upon what size longitudinal rebars you are intending to contain within stirrup links.

IS1343-2012 suggests in cl. 23.4.3.2: In rectangular beams, at both corners in the tensile zone, a stirrup should pass around a longitudinal bar, a tendon or a group of tendons having a diameter not less than
the diameter of the stirrup.

Hope this helps!
Thanks
Kunal
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spsvasan
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Joined: 18 Dec 2008
Posts: 289

PostPosted: Thu Oct 19, 2017 4:14 am    Post subject: Reply with quote

kunalkansara wrote:
Dear Engineer

It depends upon what size longitudinal rebars you are intending to contain within stirrup links.

IS1343-2012 suggests in cl. 23.4.3.2: In rectangular beams, at both corners in the tensile zone, a stirrup should pass around a longitudinal bar, a tendon or a group of tendons having a diameter not less than
the diameter of the stirrup.

Hope this helps!
Thanks
Kunal



Dear Er.Kunal Kansara

I think the clause indicated above is meant for the minimum size of the longitudinal corner reinforcement.

I think IS 1343 does not specify a minimum diameter for stirrups.

In many sites, 6mm bar is not used, since these are not manufactured by reputed manufacturers. In some major sites, 8mm bars are also disallowed.

S.P.Srinivasan
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