Study on Stability Evaluation of Expressway Filling on Linyandui Slope
The geological conditions in the southwestern region are poor,and there are widespread loose rock slopes.Natural rock piles are in a limit equilibrium state,with potential instability risks.A new filling road is built on the rock slope,and under the action of external forces,the limit equilibrium of the rock slope is broken.The filling road may become unstable,and the weak surface of the filling slope may experi-ence local or overall sliding,posing a threat to highway engineering construction.This article takes the filling expressway of Yandui Slope in Yunnan Province as a typical example.By collecting data on the internal sed-imentary structure characteristics of Yandui Slope,inverting and analyzing the stability status and parameters of Yandui Slope,and further analyzing the relationship between the stability and deformation failure of the filling road using numerical simulation analysis,the stability characteristics of the reinforced Yandui Slope filling road are verified,and the reliability of the construction plan is proven.
rock pile slopehigh-speed fillingexcavation constructionearthquake saturation