Numerical Simulation And Treatment Schemes Optimization Of The Qinghuasi Landslide

The Qinghua temple landslide is located in the loess slope area.Its highest point is the area near the qinghua temple at the top of the territory.Its lowest point is to cut off the front edge of the landslide.Its surface slope is about 15 degrees.The proposed new plant area of datang yan 'an power plant is within the scope of the landslide.We must govern it.so,We are in charge of the safety,economy and reasonable landslide management.It is of great practical value for us to carry out the numerical simulation of this landslide and the optimization of the treatment plan.First of all,the paper has done a lot of field investigation,investigation and testing.The characteristics and influence factors of landslide are analyzed.The stability of landslide is quantitatively calculated.The stability of the landslide is analyzed under the two working conditions of the slope foot and the excavation slope.The two working conditions are natural state and saturation state.The assessment results indicate that.The stability of landslide is divided into natural and artificial factors.(1)Natural factors:River erosion,loess structure characteristics,vertical joints,water holes,rainfall.(2)Human factors:Cultivate irrigation,excavate cellars,excavate caves,excavate slope feet.The second,This is to find out the stress characteristics of the landslide.The stress,strain,displacement and stability of the slope were simulated by FLAC-3D.The results show that:(1)The calculated stability results are basically the same as the unbalanced thrust method and Janbu method.In contrast,the strength reduction method is slightly larger.(2)This slide is a lapse.(3)The slope stability can be reduced by slope excavation.;(4)The leading edge of the landslide was partially collapsed.(5)The deformation and failure stage of the landslide is refined.The last,This landslide gives stability evaluation and numerical simulation results.The landslide proposes three governance schemes.The plan one was a result of comparison.The plan is to use anti-slide pileThis governance solution is the most reasonable.