摘要
2012年8月至10月，太原市晋源区王家坟村出现不同程度的地裂缝，王家坟地裂缝涉及包括朱富生在内10户居民的20间房子，房屋裂缝水平开裂最大10 cm ，垂直位错最大7～8 cm。分析可知，王家坟地裂缝的出现可能是由于当地地下水位下降，地表土层（地层条件）中原来存在的一些薄弱面，受交城断裂的活动诱发而导致。该地裂缝位于汾河西岸汾河Ⅰ级阶地和太原西山断块隆起区交接地带，其特殊的地貌位置对其地裂缝的形成具有定位控制作用。
Ground fissures appeared in different degree in Village of Wangjiafen ,Jinyuan District ,Taiyuan City from August to Octo-ber ,2012 .The fissures involve 20 houses of 10 households .The maximum horizontal width of the cracks is 10 cm and the maximum vertical width is 7~8 cm .Analysis on the fissures in Wangjiafen indicates that the drop of groundwater levels may lead to motivate some weak layers motivated by the active Jiaocheng fault .The landform of the fissures belongs to transition zone of Ⅰstage terrace of west bank of Fenhe River and Xishan fault block uplift ,Taiyuan .The special location controlled the formation of the fissures .
出处
《山西地震》
2014年第3期30-33,共4页
Earthquake Research in Shanxi
关键词
王家坟地裂缝
现场调查
原因分析
Ground fissure in Wangjiafen Field investigation Cause analysis
