Structural Engineering and Mechanics

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Experimental study of beam-column connections with web opening in a low-rise steel frame

  • Wang, Xiuli (School of Civil Engineering, Lanzhou, University of Technology, School of Civil Engineering, Harbin Institute of Technology) ;
  • Yin, Zhanzhong (School of Civil Engineering, Lanzhou, University of Technology) ;
  • Li, Qingfu (School of Civil Engineering, Lanzhou, University of Technology) ;
  • Shen, Shizhao (School of Civil Engineering, Harbin Institute of Technology)
  • Received : 2005.01.31
  • Accepted : 2006.07.03
  • Published : 2007.06.20
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Abstract

Steel frame structures have been widely used in multi-storey and high-rise buildings and the connections in these structures are critical. In the Northridge and Kobe Earthquake, beam-column connections suffered damage due to brittle fracture. According to seismic design codes, ductility of the beam to column connection is also necessary. A study on the behavior of a beam to column connection with the aim of improving ductility as well as preventing brittle failure was carried out. In order to control the position of a plastic hinge on the beam, a connection with a hole in the beam web was developed. Five specimens with different parameters under cyclic load were assessed. The results are presented in terms of the stress distribution of the beam, hysteretic behavior, and ultimate capacity. Furthermore, the finite element method was also used to analyze the model, and the results were compared with those obtained from the experiment. It is shown from the analysis and experimental results that this type of connection is effective in terms of improving ductility for a beam to column connection in low-rise buildings.

Keywords

References

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