Introduction to coupled analysis for slope stability considering rainfall

초록

Due to recent climate change, rainfall intensity from June to August in Korea is increasing. As a result, there are many cases in which the slope is failed. In this regard, it is necessary to analyze the slope stability considering the rainfall. Generally, Limit Equilibrium Method(LEM) is widely used in the existing slope stability analysis. However, the LEM provides a safety factor for shear strength, but does not consider displacement. In recent years, with the development of measurement technology, it has become possible to obtain real-time measurement data of slope. But the studies on the correlation between the measured displacement and the stability factor of the slope are still insufficient. Therefore, in order to analyze the slope stability using the displacement measured in real time with rainfall, the linkage between the seepage analysis using Seep/W and the slope stability analysis using FLAC which can consider displacement will be applied.