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  王波,郭迅,宣越.基于新视角的震害分析——以四川长宁6.0级地震为例[J].震灾防御技术,2020,15(3):496-509, DOI:10.11899/zzfy20200303.

基于新视角的震害分析——以四川长宁6.0级地震为例
摘要:    四川长宁6.0级地震发生后,作者第一时间前往地震现场,获得第一手震害资料。基于“散、脆、偏、单”评估法,对当地建筑物震害特点和成灾机理进行深入剖析,并提出整治措施。实际震害显示,当前我国城乡建筑亟待解决的问题是“散”和“脆”;学校建筑和底商结构在此次地震中仍表现出诸多抗震不利问题,集中体现在因填充墙布置不合理导致的“偏”;高层建筑主体结构虽在地震后保存完好,但填充墙破坏较重,修缮费用较高。震害调查结果警醒行业人员需围绕实际震害特点精准发力,优化结构概念设计,全面提升抗震能力,推动韧性城乡建设。
作者单位
王波 防灾科技学院, 河北三河 065201
中国地震局建筑物破坏机理与防御重点实验室, 河北三河 065201 
郭迅 防灾科技学院, 河北三河 065201
中国地震局建筑物破坏机理与防御重点实验室, 河北三河 065201 
宣越 防灾科技学院, 河北三河 065201
中国地震局建筑物破坏机理与防御重点实验室, 河北三河 065201 
关  键  词:长宁地震  韧性城乡  震害分析  抗震设计
DOI:10.11899/zzfy20200303
基金项目:国家重点研发计划项目(2018YFC1504302-3、2016YFE0205100);国家自然科学基金面上项目(51478117);中央高校基本科研业务费专项(ZY20160107)
收稿日期:2019-10-08
作者简介:王波,男,生于1989年。博士,讲师。主要从事结构地震倒塌机理研究。E-mail:wangbo0808@126.com
通讯作者:郭迅,男,生于1967年。研究员,博士生导师。主要从事结构抗震和结构损伤诊断研究。E-mail:guoxun@iem.ac.cn
Analysis of Earthquake Damage From a New Perspective: A Case Study of Changning M6.0 Earthquake in Sichuan Province
Abstract:      After the Changning M6.0 earthquake in Sichuan Province, a large number of seismic data were obtained as soon as possible. This paper analysed the earthquake damage characteristics and disaster mechanism of local buildings based on "loose, brittle, eccentric and isolated" method and the treatment measures were put forward. The results show that the pressing problem of buildings in urban and rural is "loose" and "brittle". The school buildings and the multi-storey masonry structures with first storey used as shops still shows a lot of unfavorable seismic problems in this earthquake, which are mainly led by "eccentric" caused by the unreasonable layout of the infilled walls. Although the main structures of the high-rise buildings are well-preserved after the earthquake, the infilled walls are damaged and the costs for repairing are high. The earthquake damage investigation warn us to pay more attention to the characteristics of actual earthquake damage, optimize the conceptual design of structures, improve the seismic capacity, and promote the construction of resilience urban and rural areas.
Keywords:  Changning earthquake  Resilience urban and rural areas  Earthquake damage analysis  Seismic design
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