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author:

Fang, Q. (Fang, Q..) [1] | Sun, J. (Sun, J..) [2] | Qiu, H. (Qiu, H..) [3] | Dal, Lago, B. (Dal, Lago, B..) [4] | Chen, W. (Chen, W..) [5]

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Scopus

Abstract:

An innovative bolt-connected precast concrete (PC) shear wall structural system has recently been proposed for middle and high-rise buildings in seismic regions. As a further research step, this paper aims to investigate the seismic behavior of PC coupled shear wall with different types of dissipative coupling beams. The quasi-static cyclic tests on two PC coupled shear wall specimens with friction-based coupling beam (FCB) and yielding-based coupling beam (YCB) were conducted. Moreover, nonlinear finite element models of the specimens were established and validated with the experimental results. The results demonstrated that the proposed dissipative coupling beams can effectively couple the wall panels in elastic field, whilst they can sustain large plastic deformation adding to the structural assembly a relevant source of energy dissipation under thresholded actions. Whilst the specimen with YCB exhibited large overstrength in plastic field, the specimen with FCB provided a more stable plateau capacity associated to enhanced deformation capacity, ductility and energy dissipation. Moreover, the FCB resulted practically undamaged and immediately reusable at the end of the test, whilst the YCB was found highly plasticized and locally torn. In addition, the detailed finite element models of the test specimens accurately predicted the experimental behavior. © 2023, Wroclaw University of Science and Technology.

Keyword:

Dissipative coupling beams Numerical simulation Precast concrete coupled walls Quasi-static cyclic test Seismic behavior

Community:

  • [ 1 ] [Fang Q.]Space Structures Research Center, Guizhou University, Guiyang, 550025, China
  • [ 2 ] [Fang Q.]Key Laboratory of Structural Engineering of Guizhou Province, Guizhou University, Guiyang, 550025, China
  • [ 3 ] [Sun J.]Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, Southeast University, Nanjing, 211189, China
  • [ 4 ] [Qiu H.]Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, Southeast University, Nanjing, 211189, China
  • [ 5 ] [Dal Lago B.]Department of Theoretical and Applied Sciences, Insubria University, Varese, 21100, Italy
  • [ 6 ] [Chen W.]College of Civil Engineering, Fuzhou University, Fuzhou, 350116, China

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Source :

Archives of Civil and Mechanical Engineering

ISSN: 1644-9665

Year: 2023

Issue: 2

Volume: 23

4 . 4

JCR@2023

4 . 4 0 0

JCR@2023

ESI HC Threshold:35

JCR Journal Grade:1

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 3

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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