steel tube slip

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hongweiyang
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Joined: Thu Dec 10, 2020 4:31 am

steel tube slip

Post by hongweiyang » Fri Jan 08, 2021 12:21 am

Hello everyone, I am now simulating the reciprocating loading test of CFST columns. I want to consider the slip of the steel tube, but I don't know how to model it. Guys, can you send the code for me to learn? Thank you very much.

mhscott
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Location: Corvallis, Oregon USA
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Re: steel tube slip

Post by mhscott » Fri Jan 08, 2021 9:26 pm

I don't think you'll find many people have code that they can just give you to do this. Search the literature for how slip of the steel tube is modeled, then search for what types of models are available in OpenSees, then develop a working example.

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

Re: steel tube slip

Post by selimgunay » Thu Jan 14, 2021 11:59 am

There is a bond slip material that is available to model the slip between rebars and concrete. You can explore if you can use this somehow to model the slip between concrete and the steel tube:

https://opensees.berkeley.edu/wiki/inde ... rcing_Bars

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