Seismic upgrading of reinforced concrete frames with steel plate shear walls

  • Korkmaz, Hasan H. (Engineering Faculty, Civil Engineering Department, Selcuk University) ;
  • Ecemis, Ali S. (Engineering Faculty, Civil Engineering Department, Selcuk University)
  • Received : 2016.02.08
  • Accepted : 2017.12.23
  • Published : 2017.11.25


The objective of this paper is to report on a study of the use of unstiffened thin steel plate shear walls (SPSWs) for the seismic performance improvement of reinforced concrete frames with deficient lateral rigidity. The behaviour of reinforced concrete frames during seismic activities was rehabilitated with an alternative and occupant-friendly retrofitting scheme. The study involved tests of eight 1/3 scale, one bay, two storey test specimens under cyclic quasi-static lateral loadings. The first specimen, tested in previous test program, was a reference specimen, and in seven other specimens, steel infill plates were used to replace the conventional infill brick or the concrete panels. The identification of the load-deformation characteristics, the determination of the level of improvement in the overall strength, and the elastic post-buckling stiffness were the main issues investigated during the quasi-static test program. With the introduction of the SPSWs, it was observed that the strength, stiffness and energy absorption capacities were significantly improved. It was also observed that the experimental hysteresis curves were stable, and the composite systems showed excellent energy dissipation capacities due to the formation of a diagonal tension field action along with a diagonal compression buckling of the infill plates.


steel plate;lateral rigidity;earthquake;rehabilitation;reinforced concrete frame


Supported by : Selcuk University


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