Cyclic Material Model for Rectangular Concrete Sections Confined with FRP Wraps in OpenSEES Software

Konstantinos Megalooikonomou, Georgios Papavasileiou

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The stress-strain material law proposed by Megalooikonomou and Papavasileiou (2019) was integrated to the OpenSEES open source software as a uniaxial material model named 'FRPConfinedConcrete'. To verify the efficacy of this material model, it was assessed against experiments which were performed on square reinforced concrete columns repaired with Fiber-Reinforced Polymers (FRP) under cyclic lateral loading and simultaneous compressive axial load (2005). Specifically, all specimens were simulated with fiber beam-column elements, where the confined concrete was simulated using the aforementioned material model. The comparison between the numerical and experimental hysteresis behaviour of the column is indicative of the effectiveness of the simulation method adopted.
Original languageGreek
Title of host publicationProceedings of the 4th Hellenic National Conference on Earthquake Engineering and Technical Seismology
Pages1-6
Number of pages6
Publication statusPublished - 2019
Event4th Hellenic National Conference on Earthquake Engineering and Technical Seismology - Athens, Greece
Duration: 5 Sep 20197 Sep 2019

Conference

Conference4th Hellenic National Conference on Earthquake Engineering and Technical Seismology
CountryGreece
CityAthens
Period5/09/197/09/19

Keywords

  • rectangular columns
  • concrete
  • confinement
  • cyclic loading
  • FRP wraps

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