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Stability Of Side Slope Of Second Mining Subsidence In Baorixile Surface Coal Mine

Posted on:2014-01-04Degree:MasterType:Thesis
Country:ChinaCandidate:J LiFull Text:PDF
GTID:2181330425990923Subject:Mining engineering
Abstract/Summary:PDF Full Text Request
The stability of the slope is one of the hot issues of geotechnical engineering research. The stability of open-pit mine slope is the premise and basis to realize safe and efficient production. With the increase of output scale and quantity of chinese open-pit mine, the problem of slope stability is more prominent. How to evaluate science the stability of slope According to a certain actual conditions of open pit mine, putting forward reasonable the slope Angle is mining engineering field engineering and technical personnel to solve the problem.The Papers is based on the open pit mine in Baorixile.Analysis of slope engineering geological conditions and hydrological geological conditions. On this basis, combined with the typical rock slope deformation and failure mode and test a weak layer and glutenite physical properties, ensure the second mining non-working slope the potential failure mode in open pit mining in Baorixile; To calculate the stability fos that it is under different ways of different strata dip Angle, Find out the regularity of curve. Using FLAC3D to numerical simulation for the stability of the slope, clarify the evolution laws of stress field of slope rock mass, reveals the slope landslide mechanism of non-working slope, sure the landslide mode for the "arc sliding surface—weak layer" sliding. It is a guidance for slope stability of open pit mining in Baorixile, it is also a reference for mine slope stability of similar open-pit...
Keywords/Search Tags:surface coal mine, slope stability, numerical simulation, limit equilibriummethod, failure characteristics
PDF Full Text Request
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