A New Gob-Side Entry Layout for Longwall Top Coal Caving
نویسندگان
چکیده
منابع مشابه
Numerical Study on Spontaneous Combustion of Coal in U.s. Longwall Gob Areas
In order to reduce fire hazards caused by spontaneous combustion in longwall gob areas, a computational fluid dynamics (CFD) study is being conducted by National Institute for Occupational Safety and Health (NIOSH) to simulate the spontaneous heating of coal in longwall gob areas. A CFD model was first developed to model the spontaneous heating process in a two longwall panel district using a b...
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As more easily mined deposits are depleted, the reserves are becoming more limited and less favorable. Deposits of coal or trona that are being longwall mined are deep and are getting deeper. Coal bursts and bumps frequently occur within development entries in longwall mining of deep mines due to high stresses. This paper presents a novel patented longwall mining layout “Longwall Mining with Sp...
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Hong-sheng Wang 1,*, Dong-sheng Zhang 2, Lang Liu 1, Wei-bin Guo 1, Gang-wei Fan 2, KI-IL Song 3,* and Xu-feng Wang 2 1 School of Energy Engineering, Xi’an University of Science and Technology, Key Laboratory of Western Mine Exploitation and Hazard Prevention with Ministry of Education, Xi’an 710054, China; [email protected] (L.L.); [email protected] (W.-b.G.) 2 School of Mines, State Key Labora...
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Serious floor heave in gob-side entry retaining (GER) with fully-mechanized gangue backfilling mining affects the transportation and ventilation safety of the mine. A theoretical mechanical model for the floor of gob-backfilled GER was established. The effects of the mechanical properties of floor strata, the granular compaction of backfilling area (BFA), the vertical support of roadside suppor...
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ژورنال
عنوان ژورنال: Energies
سال: 2018
ISSN: 1996-1073
DOI: 10.3390/en11051292