工程措施影响滑坡地下水动态的数值模拟研究

NUMERICAL SIMULATION OF GROUNDWATER SEEPAGE FIELD IN LANDSLIDE

大多数滑坡的发生与地下水活动有关 ,地下水的动态变化直接关系到滑坡的稳定性状况。因此 ,在滑坡治理工程中 ,首先需要研究各种影响因素和工程治理措施对坡体地下水位的影响方式 ,从而正确分析滑坡成因机制和制定合理的滑坡治理方案。基于工程滑坡实例研究 ,利用数值模拟 ,揭示了滑坡治理工程中地下排水洞的排水效果 ,分析了地表水集中入渗和设置抗滑桩后地下水渗流场的变化特征。表明数值模拟研究 ,可以有效地揭示工程措施及主要影响因素对滑坡地下水动态的影响方式 。

Most landslides are associated with changes in groundwater levels. Dynamics of groundwater sometimes dictates stability of the landslides. Therefore, it is very important to understand how different factors and engineering mitigation measures affect groundwater flow during treatment of a landslide so that an appropriate measure can be selected. A numerical simulation case study is used to demonstrate the drainage effects on underground tunnel, the groundwater table changes caused by surface water infiltration and anti-sliding piles settings. The simulation results provide an insight into effects of different factors on the seepage field in a slope, which can help optimize design of treatment measures for a landslide.