How to define shear spring for circular section?

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parasismique
Posts: 58
Joined: Tue Dec 13, 2016 7:14 am
Location: University of Tlemcen-Algeria

How to define shear spring for circular section?

Post by parasismique » Thu Oct 10, 2019 1:35 am

Dears colleagues,

I'm working on shear failure about circular section column.
Concerning the shear limit in OpenSees manual, i have something confused!

In the input of curve, i should input the section b, h, but it's for rectangular section.
What should i do to define b, h for circular section?

I appreciate your help. Cordially.

mohammmad
Posts: 45
Joined: Tue Aug 21, 2018 4:10 am
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Re: How to define shear spring for circular section?

Post by mohammmad » Fri Oct 11, 2019 2:23 pm

Hi,
you should define two nodes with same coordinate, then, you can you zeroLength element to define shear spring.



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parasismique
Posts: 58
Joined: Tue Dec 13, 2016 7:14 am
Location: University of Tlemcen-Algeria

Re: How to define shear spring for circular section?

Post by parasismique » Sun Oct 13, 2019 12:29 am

Dear mohammmad,

thank you a lot for your reply.
I am looking for how to define in OpenSees the following command for circular sections ?!!
limitCurve Shear $curveTag $eleTag $rho $fc $b $h $d $Fsw $Kdeg $Fres $defType $forType <$ndI $ndJ $dof $perpDirn $delta>.

I appreciate your help colleague.

selimgunay
Posts: 913
Joined: Mon Sep 09, 2013 8:50 pm
Location: University of California, Berkeley

Re: How to define shear spring for circular section?

Post by selimgunay » Sat Nov 09, 2019 11:45 am

There should be no difference for a circular or rectangular section in terms of using the shear limit material

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