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Study on Rationality of Large Diameter Pressure Relief Drilling Parameters Under Different Coal Seam Conditions |
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| Authors: | Liu Zhigang Wang Zhikang Zhang Ruoxiang Sun Xikui Wenzheng Shang |
| Institution: | 1.Institute of Mining Engineering, Shandong University of Science and Technology, Tai’an, 271019, China ;2.China Railway Shisiju Group Corporation, Jinan, 250013, Shandong, China ;3.Shandong Energy Group, Jinan, 250013, China ;4.A Key Laboratory of Deep Coal Resource Mining, School of Mines, Ministry of Education of China, China University of Mining and Technology, Xuzhou, 221116, China ; |
| Abstract: | Geotechnical and Geological Engineering - To study the influence of changes in the coal seam mechanical characteristics at depth on the stress relief effect of a borehole, this paper established... |
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