Earthquakes and Structures

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Study on seismic performance of steel frame with archaized-style under pseudo-dynamic loading

  • Liu, Zuqiang (School of Civil Engineering, Xi'an University of Architecture and Technology) ;
  • Zhou, Chaofeng (School of Civil Engineering, Xi'an University of Architecture and Technology) ;
  • Xue, Jianyang (School of Civil Engineering, Xi'an University of Architecture and Technology)
  • Received : 2018.10.15
  • Accepted : 2019.04.13
  • Published : 2019.07.25
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Abstract

This paper presents an experimental study on a 1/2 scale steel frame with archaized-style under the pseudo-dynamic loading. Four seismic waves, including El Centro wave, Taft wave, Lanzhou wave and Wenchuan wave, were input during the test. The hysteresis characteristic, energy dissipation acceleration response, displacement response, strength, stiffness and strain were analyzed. Based on the experiment, the elastoplastic dynamic time-history analysis was carried out with the software ABAQUS. The stress distribution and failure mode were obtained. The results indicate that the steel frame with archaized-style was in elastic stage when the peak acceleration of input wave was no more than 400 gal. Under Wenchuan wave with peak acceleration of 620 gal, the steel frame enters into the elastoplastic stage, the maximum inter-story drift was 1/203 and the bearing capacity still tended to increase. During the loading process, Dou-Gong yielded first and played the role of the first seismic fortification line, and then beam ends and column bottom ends yielded in turn. The steel frame with archaized-style has good seismic performance and meets the seismic design requirement of Chinese code.

Keywords

Acknowledgement

Supported by : National Natural Science Foundation of China, Key Science and Technology Innovation Team of Shaanxi Province, China State Construction Engineering Corporation

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