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International Journal of Steel Structures

, Volume 18, Issue 4, pp 1210–1218 | Cite as

Experimental Study on Low Cyclic Loading Tests of Steel Plate Shear Walls with Multilayer Slits

  • Jinyu Lu
  • Shunji Yu
  • Xudong Qiao
  • Na Li
Article

Abstract

A new type of earthquake-resisting element that consists of a steel plate shear wall with slits is introduced. The infill steel plate is divided into a series of vertical flexural links with vertical links. The steel plate shear walls absorb energy by means of in-plane bending deformation of the flexural links and the energy dissipation capacity of the plastic hinges formed at both ends of the flexural links when under lateral loads. In this paper, finite element analysis and experimental studies at low cyclic loadings were conducted on specimens with steel plate shear walls with multilayer slits. The effects caused by varied slit pattern in terms of slit design parameters on lateral stiffness, ultimate bearing capacity and hysteretic behavior of the shear walls were analyzed. Results showed that the failure mode of steel plate shear walls with a single-layer slit was more likely to be out-of-plane buckling of the flexural links. As a result, the lateral stiffness and the ultimate bearing capacity were relatively lower when the precondition of the total height of the vertical slits remained the same. Differently, the failure mode of steel plate shear walls with multilayer slits was prone to global buckling of the infill steel plates; more obvious tensile fields provided evidence to the fact of higher lateral stiffness and excellent ultimate bearing capacity. It was also concluded that multilayer specimens exhibited better energy dissipation capacity compared with single-layer plate shear walls.

Keywords

Steel plate shear wall with slits Multilayer slits Experimental study Hysteresis Ultimate bearing capacity 

Notes

Acknowledgements

The research was supported by the National Key Research Projects of China (Grant No. 2016YFC0800206), the National Natural Science Foundation of China (Grant No. 51778129), Prospective Joint Research Project of Jiangsu Province, China (Grant No. BY2016076-06), the Natural Science Fund Project in Jiangsu Province, China (Grant No. BK20161422).

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Copyright information

© Korean Society of Steel Construction 2018

Authors and Affiliations

  1. 1.Key Lab of Concrete and Prestressed Concrete Structures of Ministry of EducationSoutheast UniversityNanjingChina
  2. 2.School of Civil EngineeringSoutheast UniversityNanjingChina
  3. 3.School of Civil EngineeringNanjing Forestry UniversityNanjingChina

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