危险水力条件对堤坝稳定性影响的模拟  

Simulation research on effect of dangerous hydraulic conditions on dam stability

作　　者：张大伟 曾红鹰 段祥宝[3] 严文群[4] 

机构地区：[1]连云港市石梁河水库管理处,江苏连云港222300 [2]吉安市水利水电规划设计院,江西吉安343000 [3]南京水利科学研究院,水文水资源及水利工程科学国家重点试验室,江苏南京210029 [4]扬州大学水利科学与工程学院,江苏扬州225009

出　　处：《水运工程》2010年第9期22-27,共6页Port & Waterway Engineering

摘　　要：应用物理模拟和数值模拟手段研究了上游水位骤降和地下水渗流等危险水力条件下堤坝稳定性,分析了上游水位不同降速、地下水位不同高度及土体各向异性对堤坝稳定性的影响。模拟了改变地下水渗流的方向、大小等工程控制措施的效果。结果表明,堤坝渗流整体稳定性分析时应正确考虑渗流场的影响。Using physical modeling and numerical simulation,we studied the dam stability under dangerous water conditions such as sudden drop in upstream water level and groundwater seepage,analyzed the influence on slope stability caused by seepage flow under different landing speeds,height of groundwater level and soil anisotropy,and simulated the effect of engineering control measures as change in the direction and size of groundwater seepage.The results showed that the influence on the dam stability caused by the seepage flow must be considered properly in the analysis of the overall seepage stability of dam.

关 键 词：危险水力条件 地下水渗流 渗流控制 堤坝稳定性 

分 类 号：TV64[水利工程—水利水电工程]