Abstract
The stability of high rock slope which contained fracture zone and the reinforcement effect of anti-slide pile were evaluated and studied based on a practical case of an engineering slope in the area of Xiuyan Xiaohuling. The calculated parameters were obtained via large direct shear strength tests in the local field and laboratory tests, at the same time, the stability and safety factor were analyzed and obtained through numerical analysis based on Strength Reduction FEM. Result indicates that the fracture zone is the key reason to the influence of the slope stability, the area of max shear strain is similar to fracture zone's shape in slope, and the slope belongs to unstable slope in nature status because of the safety factor was 1.01, the safety factor was increased to 1.72 after using anti-slide pile, safety factor of slope along with the and value of fracture zone increases in a certain range.
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