水库运行引进的地质环境变化对库岸再造的影响  

Influence of Change of Geological Environment Introduced by the Xiluodu Reservoir Impoundment on Reservoir Bank Rebuilding

作　　者：聂衍钊[1] 刘子杰 NIE Yan-zhao;LIU Zi-jie(Chengdu Survey Design&Research Institute Co.,Ltd.,China Power Construction Group,Chengdu 610072;Jilin Design and Research Institute of Geology and Mineral Exploration,Changchun 130021)

机构地区：[1]中国电建成都勘测设计研究院有限公司,成都610072 [2]吉林省地矿勘察设计研究院,长春130021

出　　处：《四川地质学报》2021年第1期90-92,共3页Acta Geologica Sichuan

摘　　要：分析溪洛渡水库蓄水后,岸坡岩土体遇水饱和,物理力学强度降低。水位下降过程中,在渗透压力及库岸涌浪的冲刷淘蚀作用下,容易引起库岸再造。水位的升降引起库岸坡稳定性的变化、浸没及泥石流对库岸再造有直接的影响。文中分析了岸坡岩土体水库蓄水后水岩作用下的变化及破坏机理,通过对重点影响区内的地灾点进行详细勘察,计算分析其变化发展趋势,为下一步的防治做好理论基础。Reservoir impoundment will make rock and soil of bank slope saturated with water which results in the decrease in physical and mechanical strength of rock and soil of bank slope.Thus,seepage pressure and scouring and erosion by swells on reservoir banks introduced by the water level dropping will result in reservoir bank rebuilding.Change of reservoir bank stability,immersion and debris flow resulting from rise and fall of water level will have a direct impact on reservoir bank rebuilding.This paper has a discussion on change and failure mechanism of rock and soil mass on bank slope after the Xiluodu Reservoir impoundment and calculates the change and development trend based on investigation of major geohazards in order to provide theoretical basis for control in the future.

关 键 词：水库蓄水 库岸再造 水岩作用 库岸稳定 

分 类 号：P642.2[天文地球—工程地质学]