库水下降作用下滑坡动态变形机理分析以三峡库区白水河滑坡为例

卢书强 易庆林 易武 张国栋 何祥

卢书强, 易庆林, 易武, 张国栋, 何祥. 2014: 库水下降作用下滑坡动态变形机理分析以三峡库区白水河滑坡为例. 工程地质学报, 22(5): 869-875. doi: 10.13544/j.cnki.jeg.2014.05.15
引用本文: 卢书强, 易庆林, 易武, 张国栋, 何祥. 2014: 库水下降作用下滑坡动态变形机理分析以三峡库区白水河滑坡为例. 工程地质学报, 22(5): 869-875. doi: 10.13544/j.cnki.jeg.2014.05.15
LU Shuqiang, YI Qinglin, YI Wu, ZHANG Guodong, HE Xiang. 2014: STUDY ON DYNAMIC DEFORMATION MECHANISM OF LANDSLIDE IN DRAWDOWN OF RESERVOIR WATER LEVELTAKE BAISHUIHE LANDSLIDE IN THREE GORGES RESERVOIR AREA FOR EXAMPLE. JOURNAL OF ENGINEERING GEOLOGY, 22(5): 869-875. doi: 10.13544/j.cnki.jeg.2014.05.15
Citation: LU Shuqiang, YI Qinglin, YI Wu, ZHANG Guodong, HE Xiang. 2014: STUDY ON DYNAMIC DEFORMATION MECHANISM OF LANDSLIDE IN DRAWDOWN OF RESERVOIR WATER LEVELTAKE BAISHUIHE LANDSLIDE IN THREE GORGES RESERVOIR AREA FOR EXAMPLE. JOURNAL OF ENGINEERING GEOLOGY, 22(5): 869-875. doi: 10.13544/j.cnki.jeg.2014.05.15

库水下降作用下滑坡动态变形机理分析以三峡库区白水河滑坡为例

doi: 10.13544/j.cnki.jeg.2014.05.15
基金项目: 

湖北省自然科学基金(2012FFA040,2012FFB03804); 湖北省教育厅科学技术研究项目(D20121304); 地质灾害防治与地质环境保护国家重点实验室开放基金(SKLGP2012K032)资助

详细信息
    作者简介:

    卢书强(1973- ),男,博士,副教授,硕士生导师,主要从事地质工程方面的教学、科研工作. Email: Lsq2197@163.com

  • 中图分类号: P642

STUDY ON DYNAMIC DEFORMATION MECHANISM OF LANDSLIDE IN DRAWDOWN OF RESERVOIR WATER LEVELTAKE BAISHUIHE LANDSLIDE IN THREE GORGES RESERVOIR AREA FOR EXAMPLE

  • 摘要: 在每年的库水位下降期间,三峡库区的许多滑坡都出现了较大变形。为了深入研究库水下降作用下滑坡的动态变形机理,评价和预测此类滑坡的稳定性及发展趋势,本文以白水河滑坡为例,在现场地质调查和详细地质勘查的基础上,充分利用十多年监测数据,分析其变形特征、失稳机理、影响因素及稳定性,预测了其变形发展趋势。研究结果表明在水库水位下降的过程中,由于滑坡岩土体渗透性能较差,地下水来不及及时排出,滞后于水库水位的下降,滑坡受到了坡体内地下水向外的渗透动水压力作用,从而使得滑坡稳定性降低。另外库水位下降速度越快,滑坡的位移速率也越大,表现出阶跃型动态变形特征。
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出版历程
  • 收稿日期:  2014-05-05
  • 修回日期:  2014-09-08
  • 刊出日期:  2014-10-25

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