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Study on Reasonable Coal Pillar Width of Gob-Side Roadway Excavating with Multi-Layer Hard Roof in Western Deep Mine |
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| Authors: | Han Changliang Yang Houqiang Zhang Nong Li Xudong Liu Yitao Liu Wentao Yao Wei |
| Institution: | 1.Key Laboratory of Deep Coal Resource Mining, Ministry of Education of China, School of Mines, China University of Mining and Technology, Xuzhou, 221116, China ;2.Open Laboratory, Jiangsu Normal University, Xuzhou, 221116, China ;3.China Coal Northwest Energy Corporation Ltd., Erdos, 017200, China ;4.Ordos Yihua Mining Resources Co., Ltd., Ordos, 017000, China ;5.China Coal Energy Research Institute Co., Ltd., Xian, 710054, China ; |
| Abstract: | Geotechnical and Geological Engineering - Gob-side roadway excavating could not only notably reduce the loss of coal resources and improve the coal recovery rates, but also greatly mitigate the... |
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