GFRP

vehy · Post by **vehy** » Mon Dec 10, 2012 6:25 am

Hi
I want to model a RC section with FRP instead of steel bar. which material is better to define for FRP? for example what is the material commend for a FRP with yield strength ,fy and Modulus of elasticity, E?

vesna · Post by **vesna** » Mon Dec 10, 2012 10:18 am

The only material in OpenSees that directly models FRP is ConfinedConcrete01: http://opensees.berkeley.edu/wiki/index ... 1_Material

vehy · Post by **vehy** » Mon Dec 10, 2012 10:27 am

Is it for wraps?? I want it as bar. there is any way for that?

vesna · Post by **vesna** » Mon Dec 10, 2012 12:18 pm

Yes, that is for wraps. I am not sure what is your question.

vehy · Post by **vehy** » Tue Dec 11, 2012 11:13 am

I wanted to have bar made from FRP in concrete section. but i thing i can to model it. for example:
uniaxialMaterial Elastic 1 E
uniaxialMaterial MinMax 2 1 -min 0.0 -max fy/E
I thing material 2 is suitable for FRP bar with fy and E

linguan118 · Post by **linguan118** » Tue Dec 11, 2012 7:46 pm

I think your solution is right

linguan118 · Post by **linguan118** » Fri Dec 21, 2012 11:46 pm

Maybe this paper will help you
http://www.concrete.org/PUBS/JOURNALS/O ... SJ&ID=9628

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