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Author:

Zhang, Ruibin (Zhang, Ruibin.) | Qiu, Canxing (Qiu, Canxing.) (Scholars:邱灿星) | Huang, Linting (Huang, Linting.) | Jia, Junfeng (Jia, Junfeng.)

Indexed by:

Scopus SCIE

Abstract:

This paper presents a performance evaluation of full and 'partial' self-centering (SC) systems based on spectral analysis of Single Degree of Freedom (SDOF) systems. The primary objectives are to quantify the structural performances of the full and 'partial' SC systems, with a wide spectrum of structural parameters under near-fault (NF) and far-field (FF) earthquakes, and to assess the accuracy of the prediction models derived from SDOF analysis to approximate the seismic performances of multi-story frame buildings. More than 1.45 million statistical response results are processed and discussed. Among other important findings, it is shown that 'partial' SC systems appear to be a desirable option that could control the acceleration and residual displacement responses without inducing a notable increase in the maximum displacement. Based on the available data, two sets of prediction models about the inelastic displacement demand and residual displacement response are proposed. Finally, the accuracy of the prediction models to approximate the seismic performances of multi-story frame buildings is investigated by the comparison of the responses computed from a series of braced frames with various parameters and that calculated from prediction models. The results imply that the prediction models from SDOF analysis are capable of predicting the seismic performances of the corresponding multi-story frame buildings.

Keyword:

Frames Near-fault earthquake SDOF Self-centering Residual displacement

Author Community:

  • [ 1 ] [Zhang, Ruibin]Tongji Univ, State Key Lab Disaster Reduct Civil Engn, Shanghai 200092, Peoples R China
  • [ 2 ] [Huang, Linting]Tongji Univ, State Key Lab Disaster Reduct Civil Engn, Shanghai 200092, Peoples R China
  • [ 3 ] [Zhang, Ruibin]Tongji Univ, Dept Struct Engn, Shanghai 200092, Peoples R China
  • [ 4 ] [Huang, Linting]Tongji Univ, Dept Struct Engn, Shanghai 200092, Peoples R China
  • [ 5 ] [Qiu, Canxing]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 6 ] [Jia, Junfeng]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China

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Source :

STRUCTURES

ISSN: 2352-0124

Year: 2022

Volume: 37

Page: 1080-1097

4 . 1

JCR@2022

4 . 1 0 0

JCR@2022

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 30

SCOPUS Cited Count: 31

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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