摘要
近年来城市化进程不断加快,城市面积和人口规模持续增长,对城市的地震安全提出了更高要求。韧性城市理论的提出为有效解决城市地震安全风险提供了新的解决思路。目前,国内外尚缺乏合理的城市抗震韧性评估和构建途径。为此,阐述了抗震韧性城市的内涵、本质特征、构成要素及评估指标,将城市抗震韧性的构成要素概括为“一个根本、两个保障”,即工程系统、制度系统、社会和经济系统。建立了基于震后损失及恢复时间的双参数城市抗震韧性评估方法,提出了“设定目标→评估→提升→再评估”的韧性城市的构建途径。所提方法可为单体基础设施、工程系统、城市系统抗震韧性,以及其他灾害韧性的评估和提升提供理论指导和实践依据。
In recent years,the rapid urbanization has accelerated the expansion of urban areas and population growth,thereby imposing greater requirements on urban seismic safety.The emergence of resilient city theory has opened up new research perspectives and technical approaches to effectively address the risks associated with urban seismic safety.However,there is still a lack of systematic methods and approaches for evaluating and constructing urban seismic resilience.This study elucidated the connotation,essential characteristics,constituent elements,and evaluation indicators of seismic-resilient cities.It categorized the constituent elements of urban seismic resilience as“one foundation,two safeguards”:engineering systems,institutional systems,and social and economic systems.The paper established a dual-parameter method for assessing urban seismic resilience based on post-earthquake losses and recovery time.It also proposed a systematic construction approach for resilient cities,outlined as“setting goals→assessment→improvement→reassessment.”The methodologies presented in this paper furnish theoretical guidance and practical foundations for evaluating and enhancing seismic resilience in individual infrastructure,engineering systems,urban settings,as well as other disaster resilience domains.
作者
翟长海
岳清瑞
谢礼立
ZHAI Changhai;YUE Qingrui;XIE Lili(School of Civil Engineering,Harbin Institute of Technology,Harbin 150001,China;School of Civil and Resource Engineering,University of Science and Technology Beijing,Beijing 100081,China;Research Institute of Urbanization and Urban Safety,University of Science and Technology Beijing,Beijing 100081,China;Institute of Engineering Mechanics,China Earthquake Administration,Harbin 150090,China)
出处
《建筑结构学报》
EI
CAS
CSCD
北大核心
2024年第5期1-13,共13页
Journal of Building Structures
基金
中国工程院重大战略研究与咨询项目(2022-JB-02)
国家杰出青年科学基金项目(51825801)
国家自然科学基金重大项目(52192660)。
关键词
城市抗震韧性
构成要素
评价指标
韧性评估方法与构建
urban seismic resilience
urban component
evaluation index
resilience evaluation and construction
