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Author:

Xie, Zhiqiang (Xie, Zhiqiang.) | Shi, Leilei (Shi, Leilei.) | Peng, Lingyun (Peng, Lingyun.) (Scholars:彭凌云) | Zhang, Shi (Zhang, Shi.) | Zhou, Daxing (Zhou, Daxing.) | Zhang, Xiangdong (Zhang, Xiangdong.) | Yu, Cheng (Yu, Cheng.)

Indexed by:

EI Scopus SCIE

Abstract:

A cold-formed steel shear wall with centre-corrugated steel sheathing (CCSS-CFS shear wall) was innovatively developed to meet the requirement of earthquake resistance for multi-rise CFS structures in regions at high seismic risk. This wall exhibits superior seismic performance in comparison with the conventional CFS shear wall. Five full-size specimens were tested under cyclic loading to evaluate their failure mode, shear strength, lateral stiffness, ductility, energy dissipation, as well as degradation of bearing capacity and stiffness. Additionally, the effects of CFS frame structure forms, screw spacing, and corrugated steel sheet thicknesses on the behaviour and failure mechanism of shear walls were analysed. The seismic performance objectives corresponding to intact, slight, moderate, and severe damage were also determined. The results revealed that the main failure modes of shear walls were plastic buckling of corrugated steel sheathing and local buckling of the end composite stud. Optimising configurations such as setting up stiffening plates on the end composite stud, installing transverse braces, and increasing screw spacing between composite studs and sheathing significantly improved their behaviour. The strength of corrugated steel sheathing after plastic buckling should be taken into consideration for the lateral design of the CCSS-CFS shear wall. A calculation method was also proposed in order to determine the elastic global buckling shear strength of the CCSS-CFS shear wall - which exhibited high accuracy. Finally, nominal shear strength, a resistance factor, and a safety factor were recommended.

Keyword:

Failure mechanism Nominal shear strength Calculation method Seismic performance CCSS-CFS shear wall

Author Community:

  • [ 1 ] [Xie, Zhiqiang]Beijing Univ Civil Engn & Architecture, Sch Civil & Transportat Engn, Beijing 100044, Peoples R China
  • [ 2 ] [Zhang, Shi]Beijing Univ Civil Engn & Architecture, Sch Civil & Transportat Engn, Beijing 100044, Peoples R China
  • [ 3 ] [Shi, Leilei]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 4 ] [Peng, Lingyun]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 5 ] [Zhou, Daxing]China Railway Construction Grp Co Ltd, Beijing 100043, Peoples R China
  • [ 6 ] [Zhang, Xiangdong]China Railway Construction Grp Co Ltd, Beijing 100043, Peoples R China
  • [ 7 ] [Yu, Cheng]Univ North Texas, Dept Engn Technol, Denton, TX USA

Reprint Author's Address:

  • [Peng, Lingyun]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China;;

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Source :

ENGINEERING STRUCTURES

ISSN: 0141-0296

Year: 2024

Volume: 318

5 . 5 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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