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Numerical modelling of out-of-seam dilution in longwall retreat mining

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Longwall mining is a common mining method in Iran that is often affected by out-of-seam dilution (OSD). The field investigations performed in Tabas coal mine show that OSD often occurs due to roof falls in front of the face area before support setting and also removing some floor material.



出版机构:Elsevier Science刊物名称:International Journal of Rock Mechanics and Mining Sciences
出版时间:2010
ISSN:1365-1609
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