Distribution of methane enrichment zone in abandoned coal mine and methane drainage by surface vertical boreholes: A case study from China
Many abandoned mines with small gobs were produced by the old mining method in China. These gobs with different widths contain a considerable amount of methane. In this paper, FLAC3D software is used to investigate the rock mass stress distributions. Based on the stress distribution results, the met...
Main Authors: | , , , , , , , |
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Format: | Journal Article |
Published: |
ELSEVIER
2016
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Online Access: | http://hdl.handle.net/20.500.11937/33309 |