EFFECTS OF STRESS AND FRACTURING ON PERMEABILITY OF COAL.

被引:0
|
作者
Durucan, S. [1 ]
Edwards, J.S. [1 ]
机构
[1] Univ of Nottingham, Nottingham, Engl, Univ of Nottingham, Nottingham, Engl
来源
Mining science & technology | 1986年 / 3卷 / 03期
关键词
COAL MINES AND MINING - Longwall;
D O I
暂无
中图分类号
学科分类号
摘要
This paper examines the changes in structure and permeability of coal under the stress conditions experienced around longwall faces. The effect of fracturing is discussed, and the stress-permeability relationship for fractured coal is compared with non-fractured coal. An empirical relationship is derived from experimental data which relates stress-permeability behavior to rank through compressibility of the coal itself.
引用
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页码:205 / 216
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