土坝的地震易损性和震害快速评估  

VULNERABILITY AND RAPID EVALUATION OF SEISMIC DAMAGE FOR EARTH DAMS

作　　者：常宝琦[1] 梁纪彬[1] 

机构地区：[1]广东省地震局,广州510070

出　　处：《人民珠江》1994年第6期12-15,共4页Pearl River

摘　　要：该文搜集了我国近年几次大地震时处于5～10度地震区内的180座水库土坝的震害资料,经分析后把影响震害的因素定为坝高、“水深比”,地基条件,地震烈度;震害等级取为“严重”、“轻重”、“轻微”、“完好”。分别给出适用于地震危害性评估、表示土坝地震易损性的震害概率矩阵和适用于以确定性方法快速评估震害等级的表达式。最后并以某土坝的震害评估为例。The authors collected the seismic damage information of 180 damaged earth dams situated in 5—10 degree area of seismic intensity during the large earthquakes in recent years in China. Taking the dam height , the water deep ratio , the base condition and the seismic intensity as the influence factors controlling the damage catalogues , the authors divided the damage category in 'serious', 'rather serious', 'lightly' and 'intact', and gave the damage probabilistic matrix suitable for the damage evaluation using the probabilistic seismic risk method and the empiric expressions of damage category evaluation suitable for using the deterministic method by means of linear regression. Finally, an example of damage evaluation using the two methods was presented.

关 键 词：土坝 地震易损性 震害 评论 地基 统计分析 

分 类 号：TV641.2[水利工程—水利水电工程]