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Experimental Performance Evaluation of Multi-Storey Steel Plate Shear Walls Designed by Different Methods

  • Tao Xu
  • Jian-Hua Shao
  • Ji-Ye Zhang
  • Sakdirat Kaewunruen
Research paper
  • 21 Downloads

Abstract

In accordance with two different design methods including the technical specification for steel structures of tall buildings and the shear-bearing capacity method for infilled steel wall plates, two types of steel plate shear wall with unstiffened panels have been designed and constructed. All shear wall specimens are exposed to ultimate static monotonic and low horizontal cyclic loading conditions to determine their structural behaviors under an idealized severe earthquake event. The seismic performances of these two types of specimens are identified by the overall roof displacement angle, lateral stiffness, ductility, different distribution of horizontal force and overturning moment, and inclined angle of diagonal tension field. These two types of steel plate shear wall exhibit excellent seismic performance. However, the specimens with thin infill plate thickness of 1.1 mm perform better than the thicker specimens with plate thickness of 3.75 mm. In terms of serviceability performance, the experimental results exhibit that the thicker specimens designed by the technical specification tend to be more conservative. Their over-strength factor, strength assurance coefficient and drift angle are 4.98, 6.3 and 1/1335, respectively. However, the thinner specimens designed by the shear capacity method for shear panel yield the serviceability performance factors of 2.22, 2.71 and 1/407, respectively. It is important to note that design practice generally adopts the over-strength factor between 2 and 3, and the strength assurance coefficient is often designed for 3 and the maximum inter-story drift limit given by the design specification is 1/300. On this ground, it is apparent that the shear-bearing capacity method enables relatively more economical compared to the technical specification for steel structures.

Keywords

Steel plate shear wall Performance evaluation Ductility Over-strength factor Strength assurance coefficient 

Notes

Acknowledgements

This work was financially supported by the National Natural Science Foundation (project number: 51308260), Jiangsu Overseas Visiting Scholar Program for University Prominent Young & Middle-aged Teachers and Presidents, and Graduate Research Innovation Project of Jiangsu Province (project number: KYCX18_2339). However, any opinions, findings, conclusions, and recommendations presented in this paper are those of the writers and do not necessarily reflect the views of the sponsors.

Funding

Funding was provided by “National Natural Science Foundation of China” (51308260); “Jiangsu Overseas Visiting Scholar Program For University Prominent Young & Middle-Aged Teachers And Presidents”; “Postgraduate Research & Practice Innovation Program of Jiangsu Province” (KYCX18_2339).

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Copyright information

© Iran University of Science and Technology 2018

Authors and Affiliations

  • Tao Xu
    • 1
  • Jian-Hua Shao
    • 1
  • Ji-Ye Zhang
    • 1
  • Sakdirat Kaewunruen
    • 2
  1. 1.Jiangsu University of Science and TechnologyZhenjiangChina
  2. 2.University of BirminghamEdgbastonUK

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