Technical And Economic Analysis On The Treatment Of Abandoned Quarries In Qijia Zhuang

At present,with the increasing investment of infrastructure in our country,the development of road and real estate construction projects,the increasing demand for stone and stone in the market,the lack of planning and disorderly excavation lead to serious damage to the environment.Strengthening the construction of ecological civilization,Protecting mine geology and maintaining ecological harmony are the problems that our country faces and needs to be solved urgently.Qijia Zhuang abandoned quarry and abandoned waste dump are in a state of unmanned disorder.The comprehensive improvement of geological environment is imperative.According to the actual situation of the abandoned quarry in Qijia Zhuang and the status of the damage of the project area,the necessity of controlling the abandoned quarry in Qijia Zhuang is put forward.Based on the 3 typical sections,the stability of the section is evaluated by the stereographic projection method and the unbalanced thrust method respectively.The AUTOCAD,ANSYS and the finite difference software FLAC3D are used,according to Mohr.Coulomb.The yield criterion and the shear strength reduction coefficient method are used to obtain the related displacement maps and stress diagrams of 3 sections on the direction of X,y and Z.According to the slope stability theory and the software simulation results,the comprehensive treatment of the quarrying fields,such as the unloading of the slope,the clearance of the remnants of the mountain,the leveling project,the cut ditch project,the slope overlying soil and the greening engineering is put forward.Finally,eombined with the quantity,duration and budget of the project,the social and economic benefits of the abandoned quarry are analyzed.It will provide effective guidance for the treatment of abandoned quarries in the future.