Earthquakes and Structures

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Seismic performance of RCS beam-column joints using fiber reinforced concrete

  • Nguyen, Xuan Huy (Faculty of Construction Engineering, University of Transport and Communications) ;
  • Le, Dang Dung (Faculty of Construction Engineering, University of Transport and Communications) ;
  • Nguyen, Quang-Huy (Department of Civil Engineering and Urban Planning) ;
  • Nguyen, Hoang Quan (Faculty of Construction Engineering, University of Transport and Communications)
  • Received : 2020.01.20
  • Accepted : 2020.04.12
  • Published : 2020.05.25
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Abstract

This paper deals with the experimental investigation on the behavior of RCS beam-column exterior joints. Two full-scale specimens of joints between reinforced concrete columns and steel beams are tested under cyclic loading. The objective of the test is to study the effect of steel fiber reinforced concrete (SFRC) on the seismic behavior of RCS joints. The load bearing capacity, story drift capacity, ductility, energy dissipation, and stiffness degradation of specimens are evaluated. The experimental results point out that the FRC joint is increased 20% of load carrying capacity and 30% of energy dissipation capacity in comparison with the RC joint. Besides, the FRC joint shown lower damage and better ductility than RC joint.

Keywords

Acknowledgement

This research is funded by Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 107.01-2016.06.

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