The Planning And Harnessing Of Boundary Slope About The Barun West Mining Area B

This thesis is about the Barun group B edge slope.Since the original edge slope design has a problem in the field setting by step function.The original design is not conducive to the safety factor of slope and adjustment the slope angle.So this thesis is redesigned to rely on the side slope.New planning defined the step width and provided each step function.This thesis writted by use AUTO-CAD, Ansys, FLAC3D, Geo-slope and other software.Finally, according simulation results of these software and analysised to get the final results. First.To convert the project entity as a ideal body that may easy on the simulation analysis.Then using the AUTO-CAD to establish the basic model.And use the Ansys software divisioned the grid of the basic model.Finally through a small conversion software help the FLAC3D completed model buliding.AUTO-CAD not only in addition to the establishment of basic model but also calculated the slope excavated earthwork volume,and the slope exposed surface area.The Geo-slope calculated the slope safety factor of the slope,and search out the most dangerous sliding surface and the sliding scale’s section.FLAC3D was used to get the stress distribution in the slope.Through using the AUTO-CAD calculation, know the new planning can make the slope excavation volume reduction about1.54million cubic metre, can let the exposed area slope reduce7537square metre. This shows that the new plan can improve the economic benefit of mines, reducing the risk of slope hazards.Through Analysis the results of Geo-slope, we know under the new conditions the safety factor of the slope is higher than the slope safety under the original.This shows that the new plan can improve the safety factor of slope.The No.3typical Section area several steps have problems.The step1584level is in the fault,The rock consists of this step is broken,so the external interference resistant ability is weak.When the slope became boundary slope in the future,Suggestions take cutting slope treatment on the slope.Through FLAC3D to simulate analysisthe No.2 typical Section area,found that there is a stress concentration belt in the slope.The stripe haven’t throughout the1368to1452levels in temporarily,But in order to prevent the strip continue to happen, advice after all the1368level steps on boundary,take prestressed reinforcement on this strip.Suggest use the presplitting blasting when made the side slope to reduce the damage on the slope and improve the strength of the rock slope.Do well the waterproof and drainage in mine well,and the daily monitoring work to strengthen the stability of slopes.Now about the slope stability analysis,slope parameter optimization,and slope governance literature are common.But on the stability of the slope prediction,and the slope of the planning management literature is less.This paper according to the existing mining data,to rely on community planning of slope,calculate its safety factor and analysis the problems existing in the slope,finally management recommendations for the slope on the side slope in the furture.