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《Journal of Liaoning Technical University(Natural Science)》 2008-S1
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Feasibility analysis of mining projects for protected pillars of freeway

WANG Meng,TI Zhengyi(College of Resource and Environment Engineering,Liaoning Technical University,Fuxin 123000,China)  
Aiming at coal resource reclaiming issues for protected pillars of highway,mining influence on express is analyzed and permitting extension of movement and distortion for roadbed is presented with traveling crane characteristic of freeway and subsidence requirements of roadbed.Combining with spot conditions,six kinds of strip mining projects to reclaim protected pillar are put forward according to different subsidence values,predicted movements and distortion of the earth’s surface based on probability integral method.Movement and distortion of the earth’s surface after mining according to permitting extension and reclaiming ratio of coal resource is most,which is the rule for optimization project.The second project is best through analyzing forecast results.The achievement has provided with consulting value and theoretic significance to mining protective pillars of express.
【Fund】: 辽宁省教育厅科学技术研究基金项目资助(20060387);; 校优秀青年基金资助项目(07A113)
【CateGory Index】: TD823.83
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