Title: Study on Coordinated Mining Sequence Between Surface Mine and Underground Mine Affected to Deformation and Failure Law of Surface Mine Slope
Abstract:The coordinated mining sequence relationship between the surface mine and the underground mine is related to the degree of the mutual restriction and influences between the two mining methods.In combi...The coordinated mining sequence relationship between the surface mine and the underground mine is related to the degree of the mutual restriction and influences between the two mining methods.In combination with the engineering practices on the coordinated mining between the surface mine and underground mine in Pingshuo Mining Area,a numerical simulation was conducted on the two designed plants,including the underground mining first and then the surface mining and the surface mining first and then underground mining.A comparison analysis was conducted on the deformation and failure features of the slopes in the surface mining.According to the analysis results,from a view to keep the flat and stable of the slope,the mining model of underground mining lagging behind open-pit mining was suggested in coordinated open-pit with underground mining practice in condition that inner dump was planned to build and the progress of inner dump is ahead of the range of influence caused by underground mining.If not,the mining model of open-pit mining lagging behind underground mining was suggested.Read More
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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