Study of Overlying Rock Structure and Intensive Pressure Control Technology of Island Longwall Panel in Extra-Thick Coal Seams

In response to the severe occurrence of mining pressure in the fully mechanized top coal caving face of the extra-thick coal seam and the problem of strong rock pressure caused by the remaining coal pillars in the mining area on the isolated island fully mechanized top coal caving face, taking the 8...

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Veröffentlicht in:	Processes 2023-11, Vol.11 (11), p.3083
Hauptverfasser:	Wang, Yaochuang, Chen, Pengkun, Wang, Shen
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis Coal Coal industry Coal mines Coal mining Control systems Cracks Deterrence Hydraulic fracturing Longwall mining Mathematical models Mechanical properties Mineral industry Mining Mining industry Numerical analysis Pressure Pressure effects Pressure reduction Simulation methods Stress concentration Work face
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