陈启国,葛华,周洪福

• 1:成都地质调查中心

摘要(Abstract)：

2008年汶川5.12地震触发了大量滑坡,这些滑坡所造成的损失甚至超过地震本身。在地震区映秀,获取了地震边坡稳定性分析所需的地震滑坡编目图、强震监测数据、1:50000地质图、岩组单元的物理力学数据及基于1:50000地形图得到的DEM数据,所有这些数据都通过GIS(ilwis3.6)进行了矢量化及栅格化(10m)处理。基于上述数据,利用Newmark方法对每个单元格的变形及位移进行计算分析,然后通过Newmark位移与地震滑坡编目图进行对比分析,建立边坡失稳概率与Newmark位移之间的关系,用于地震滑坡预测及编图,为地震应急及灾后重建提供科学依据。

关键词(KeyWords)： 地震;滑坡;Newmark;编图

Abstract:

Keywords:

基金项目(Foundation): 中国地质调查局项目“地震滑坡灾害编图方法示范研究”(编号:1212010914011)

作者(Author): 陈启国,葛华,周洪福

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