Effects of self-centering structural systems on regional seismic resilience

被引：13

作者：

You, Tian ^{[1
,2
]}

Wang, Wei ^{[1
,2
]}

Tesfamariam, Solomon ^{[3
]}

机构：

[1] Tongji Univ, State Key Lab Disaster Reduct Civil Engn, Shanghai, Peoples R China

[2] Tongji Univ, Dept Struct Engn, 1239 Siping Rd, Shanghai 200092, Peoples R China

[3] Univ British Columbia, Sch Engn, Okanagan Campus, 3333 Univ Way, Kelowna, BC V1V 1V7, Canada

来源：

ENGINEERING STRUCTURES | 2023年 / 274卷

基金：

美国国家科学基金会;

关键词：

Self-centering structure; Seismic resilience; Loss assessment; Scenario earthquake; Regional assessment; SPATIAL CORRELATION; SPECTRAL ACCELERATIONS; STEEL; PERFORMANCE; CONNECTIONS; PGV; FRAMEWORK; COMPONENT; PERIODS; MODELS;

D O I：

10.1016/j.engstruct.2022.115125

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Self-centering systems were proposed to reduce residual drift and increase resiliency of buildings under earthquake loads. However, limited studies have tried to apply self-centering systems to a portfolio of buildings in a regional seismic loss assessment. In this study, the effects of self-centering buildings on regional seismic resilience are examined. To show utility of self-centering structural systems, the San Francisco Bay Area, with 15836 buildings, is selected as the case-study region. A MW 7 scenario earthquake is considered to carry out probabilistic regional loss assessment. A self-centering factor is proposed to consider the different levels of self -centering capacity, and a comparative analysis is conducted between conventional and self-centering buildings. The results highlight that the benefits brought by smaller residual drifts of the self-centering buildings can overcome the disadvantage of higher seismic demands.

引用

页数：11

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