中文摘要：

以贵州省凯里至羊甲高速公路小苗岭岩堆边坡RK9＋130-RK9＋410右侧滑坡项目为依托,通过边坡应力场与渗流场的耦合作用分析该边坡因地下水位抬升发生失稳的原因。采用Geo-Studio软件中的渗流分析模块Seep/W和边坡稳定性分析模块Slope/W分析不同水力梯度下边坡的安全系数,采用Flac 2D分析边坡随着地下水位的抬升塑性区的变化。分析和论证了由于降雨入渗,使坡体内部产生渗流场,在流固耦合作用下使边坡发生失稳甚至破坏。

英文摘要：

depend on the project that a highway of Xiao Miaoling from Kaili to Yangjia rock pile slope RK9 ＋ 130 to RK9 ＋ 410 right landslide in Guizhou province,the analysis of the reason that the slope is unstability due to underground water level uplift by the stress field and seepage field. calculate the safety factor of slope by Slope / W and Seep / W of Geo- Studio software,Flac 2D was used to analyze the change of the plastic zone of the slope. Analysis and demonstration of the rainfall infiltration,so that the field was produced in the slope,under the flow and solid coupling to make the slope instability and even damage.