Failure Characteristics and Stability of High and Steep Slope Under Different Excavation Conditions
In order to explore the overall stability of slope before and after local failure,as well as the effect of excavation method on slope stability,the slope project on the north side of Jingxi-Barak mining area in Jinchuan of Xinjiang was taken to study local failure characteristics of slope and slope stability under different excavation state by adopting distinct element method.It is found that the distribution of the maximum main stress has a great impact on the slope stability,and the factor of safety for slope stability tends to decrease first and then increase from the stage before local failure to the stage after failure;with more excavated benches,the factor of safety for slope stability tends to increase first and then decrease;with the excavated benches more than 1,the overall factor of safety of the slope meets the requirements;with slope angle less than or equal to 60°,the overall factor of safety also meets the requirements,and the suitable slope angle is 60°.
high-steep slopeopen-pit slopeslope stabilityfactor of safetydistinct element methodbench excavationbench slope anglefailure characteristics
万方数据
维普
