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《Mining Safety & Environmental Protection》 2008-02
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Study on Numerical Simulation of Controlled Deformation in Partial Excavation with Waste Filling

BU Wan-kui,LI Qiang,XU Hui,et al  
To counter the threatening and harmfulness of surface accumulated waste to the living environment of human beings and according to the idea of using partial waste filling to control the mining subsidence,study was conducted on the effect of using waste filling to control the deformation with partial extraction by using numerical simulation software FLAC.The vertical and horizontal displacement of coal pillar and the ground subsidence were analyzed under the two conditions with and without waste filling,and thus a series of valuable conclusions were gained.It was testified that using waste filling with partial extraction can reduce the deformation of coal pillar and effectively control the deformation of strata and the ground subsidence.
【Fund】: 国家自然科学基金重大项目(50490273);; 国家“973”项目(2005CB221502)
【CateGory Index】: TD823.7
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