2022年泸定6.8级地震房屋震害及其统计分析  

Seismic Damage to Buildings in the Luding M_(S)6.8 Earthquake-hit Area,Sichuan Province

作　　者：孙路 刘金龙[3] SUN Lu;LIU Jinlong(Huzhou Vocational&Technical College,Architectural Engineering Institute,Huzhou 313000,Zhejiang,China;Huzhou Key Laboratory of Green Building Technology,Huzhou 313000,Zhejiang,China;Key Laboratory of Earthquake Engineering and Engineering Vibration,Institute of Engineering Mechanics,China Earthquake Administration,Harbin 150080,Heilongjiang,China)

机构地区：[1]湖州职业技术学院建筑工程学院,浙江湖州313000 [2]湖州市绿色建筑技术重点实验室,浙江湖州313000 [3]中国地震局工程力学研究所,中国地震局地震工程与工程振动重点实验室,黑龙江哈尔滨150080

出　　处：《地震研究》2025年第1期123-131,共9页Journal of Seismological Research

基　　金：国家重点研发计划项目(2018YFC1504401-03);湖州职业技术学院“登峰人才”项目.

摘　　要：2022年四川省甘孜州泸定县发生6.8级地震。依据现场调查资料,介绍了震区房屋的主要结构类型及其建造特点,总结了各类房屋结构的典型震害现象,探讨了各类房屋典型震害特征的产生机理。通过震害数据的统计分析,建立了本次地震中各类结构房屋的震害矩阵,并与其他学者的研究成果进行了对比,研究了不同房屋类型各地震破坏等级分布规律,给出了砖混结构房屋的地震易损性曲线。根据本次地震的震害特点,给出了提升房屋抗震能力的建议。At 12:52 on September 5,2022,a 6.8-magnitude earthquake occurred in Luding County,Ganzi Prefecture of Sichuan Province.Based on the field investigation data in the disaster area,the main structural types and characteristics of the buildings in the area are summarized.The typical seismic damage to each type of buildings is introduced,and the causes which lead to the damage are analyzed.Through the statistics of damage data,the seismic damage matrix of various types of structures in this earthquake-disaster area is established.By comparing with the previous research results in the related field,the distribution characteristics of each damage grade of various types of buildings are analyzed.The seismic fragility curve of the masonry building is established.Finally,according to the damage characteristics of buildings in the disaster area,some suggestions for improving the earthquake resistance of buildings in the disaster area are presented.

关 键 词：泸定6.8级地震 房屋 震害 抗震能力 

分 类 号：P315.94[天文地球—地震学]