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汶川8.0级地震北川县城区灾害调查与分析
引用本文:李小军,于爱勤,甘朋霞,李敏,刘浪.汶川8.0级地震北川县城区灾害调查与分析[J].震灾防御技术,2008,3(4):352-362.
作者姓名:李小军  于爱勤  甘朋霞  李敏  刘浪
作者单位:1. 中国地震局工程力学研究所,哈尔滨,150080
2. 中国地震灾害防御中心,北京,100029
基金项目:国家科技支撑计划课题(2006BAC13802;和中央级公益性研究所基本科研业务基金(2006A02;资助  
摘    要:2008年5月12日发生了汶川8.0级特大地震,震后作者深入地震重灾区开展了震害现场调查工作。利用现场调查得到的第一手资料,分析了极震区北川县城区的震害现象,发现山坡和河岸滑坡、断层地表破裂以及柔底层结构底层破坏所导致的结构严重破坏和倒塌是城区的主要震害现象,同时看到仍然有一些砌体结构建筑震害较轻,处于轻微或中等破坏,甚至基本完好状态。这些震害现象展示了山区地震灾害的基本特征和复杂性。

关 键 词:汶川地震  震害调查  地震滑坡  柔底层结构  极震区
收稿时间:2008/11/15 0:00:00

Survey and Analysis of the Disaster and Engineering Damage of Beichuan County Seat in M_s8.0 Wenchuan Earthquake
Li Xiaojun,Yu Aiqin,Gan Pengxi,Li Min and Liu Lang.Survey and Analysis of the Disaster and Engineering Damage of Beichuan County Seat in M_s8.0 Wenchuan Earthquake[J].Technology for Earthquake Disaster Prevention,2008,3(4):352-362.
Authors:Li Xiaojun  Yu Aiqin  Gan Pengxi  Li Min and Liu Lang
Institution:Li Xiaojun,Yu Aiqin,Gan Pengxia,Li Min , Liu Lang 1) Institute of Engineering Mechanics,China Earthquake Administration,Harbin 150080,China 2) China Earthquake Disaster Prevention Center,Beijing 100029,China
Abstract:The M_s8.0 Wenchuan earthquake occurred on 12 May 2008.Survey of disaster and engineering damage was made in detail by authors and other researchers in the extreme earthquake disaster area after mainshock.The earthquake disaster status and engineering damage phenomena in the Beichuan county are analyzed based on field survey.We found that the main disaster is caused by the landslide of hillside and riverbank,surface rupture of fault and the soft first story buildings.In contrast to the heavy damage of most ...
Keywords:Wenchuan earthquake  Earthquake damage survey  Earthquake landslide  Soft first story building  Extreme earthquake disaster area  
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