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International Journal of Steel Structures

, Volume 18, Issue 2, pp 417–432 | Cite as

Seismic Performance of Steel Joints Between Double Beams and Column in Chinese Traditional Style Buildings

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Abstract

This paper presents experimental study and finite-element analysis (FEA) on seismic performance of steel joints between double beams and column (DBC) in Chinese traditional style buildings. Eight 1/2-scaled DBC joints were designed according to the principle of “strong-member and weak-joint” and tested under low cyclic reversed loading. The failure modes, hysteresis loops, skeleton curves, ductility and energy-dissipation capacity of the joints were analyzed. It is shown that the failure modes of the joints were shear buckling at lower panel zone, bending failure at middle panel zone, and welds fracturing at the panel zone of the joints. The section types of beams, axial compression ratio, and joint forms between double beams and column had significant impacts on the bearing capacity of the joints. The bearing capacity of the joints decreased as the axial compression ratio increased. Moreover, the bearing capacity of the joints with box beams was larger than that of the joints with H-section beams. Elaborate FEA models of the joints were presented, and a preliminary FEA was first performed to predict the mechanical properties and hysteretic behaviors of the joints. The results of FEA were correlated well with those of test, and the effect of the panel zone thickness on mechanical behaviors of the joints was analyzed, which indicated that the simplified FEA model could provide a powerful tool for future research in design methods of DBC joints in Chinese traditional style buildings.

Keywords

Low cyclic reversed loading Chinese traditional style buildings Double beams and column Seismic performance Finite element analysis 

Notes

Acknowledgements

The authors would like to thank National Natural Science Foundation of China (Grant No. 51678478), National “Twelfth Five-Year” Plan for Science and Technology of China (Grant No. 2014BAL06B03), Shaanxi Science and Technology Research and Development Projects (Grant No. 2013KW23-01) and Xi’an University of Architecture and Technology for their generous support of this research work.

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Copyright information

© Korean Society of Steel Construction 2018

Authors and Affiliations

  1. 1.Department of Civil EngineeringXi’an University of Architecture and TechnologyXi’anChina

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