青海玛多7.4级地震发震断裂特性及工程震害成因分析研究  

Earthquake Damage Characteristics of the Maduo Ms7.4 Earthquake in Qinghai Province

作　　者：王龙 李小军[1,2] 杨理臣 刘爱文[1] 王郁 吴清[1] 王宁[1] 陈鲲[1] 李祥秀[1] WANG Long;LI Xiaojun;YANG Lichen;LIU Aiwen;WANG Yu;WU Qing;WANG Ning;CHEN Kun;LI Xiangxiu(Institute of Geophysics,China Earthquake Administration,Beijing 100081,China;Faculty of Architecture,Civil and Transportation Engineering,Beijing University of Technology,Beijing 100124,China;Qinghai Earthquake Agency,Xining 810001,China)

机构地区：[1]中国地震局地球物理研究所,北京100081 [2]北京工业大学城市建设学部,北京100124 [3]青海地震局,青海西宁810001

出　　处：《应用基础与工程科学学报》2023年第5期1219-1228,共10页Journal of Basic Science and Engineering

基　　金：中国地震局地球物理研究所基本科研业务费(DQJB21B37,DQJB23X12);国家重点研发计划项目(2019YFE0112500);国家自然基金面上项目(51778588)。

摘　　要：根据2021年5月22日青海玛多7.4级地震现场的调查资料,分析了此次地震的发震构造特性、烈度分布和房屋建筑、生命线工程的主要震害特点,对比了此次地震和2010年青海玉树7.1级地震造成的人员伤亡以及对房屋建筑、生命线工程的影响,并对破坏机理进行了讨论,同时总结了此次地震的震害经验教训,提出了对于穿跨越断层或者近断层的土木工程基础设施抗震设防和防震减灾工作的启示.According to the Maduo Ms7.4 earthquake field survey in Qinghai Province on May 22,2021,the characteristics of seismogenic structure,intensity distribution,and main damage characteristics of buildings and lifelines are analyzed.The casualties of this earthquake are compared with the 2010 Yushu Ms7.1 earthquake.The damage mechanism was discussed,and the experience and lessons from this earthquake were summarized.Enlightenment for the seismic fortification and earthquake disaster reduction of civil engineering infrastructure crossing faults or near faults is proposed.

关 键 词：玛多地震 玉树地震 房屋建筑 生命线工程 穿跨越断层 震害分析 

分 类 号：TU352.1[建筑科学—结构工程]