Study On Mountain Slope Stability And Related Disaster Prevention Measures

Quzhou City of Zhejiang Province belongs to hilly Zone in centralZhejiang Basin and western Zhejiang hilly regions. The natural disasterscaused by Mountain Landslide bring great deal threat to lives and propertyof residents. Based on depth study on the major causes of landslidedisasters and the slop stability of Quzhou typical slope, correspondingcontrol measures are propresd.In this paper, three typical mountain slope of a viliiage of Quzhou Cityare selected as the research object. Firstly, using indoor soil mechanicsexperiments to determine the rock mechanical parameters; secondly,different study methods are used to investigate the stability of the selectedmountain slope, the mainly ways as following:1) limit equilibrium analysis;2) the methods based on the finite element and discrete element;3) usingprofessional geotechnical analysis software;4) Fast Langrangian Analysisof Continua. Finally, the measures of improving mountain slope stabilityare propresd, and the stability analysis of the mountain slope anchorage byprestressed anchor and anchor bolt by FLAC are carried out.The results show that the mountain slope stability factors obtained bydifferent calculation methods have some differences, which is caused bythe different methods of calculation. The rigid limit equilibrium method is an ideal state; the finite element method and fast Lagrangian numericalsimulation method are more realistic. Synthetic discriminant analysis, threetypical sections are in the state of limit equilibrium, the typical sectionsmay be occur local buckling and need immediate reinforcement processing.Prestressed Anchor and anchor reinforcement method can significantlyimprove the stability of the mountain slope.