Innovations on stability control of roadways within soft strata in underground coal mines in China

被引：0
|
作者：
Wang, C [1 ]
机构：
[1] Western Australian sch Mines, Dept Min Engn & Mine Surveying, Kalgoorlie, WA, Australia
来源：
ROCK SUPPORT AND REINFORCEMENT PRACTICE IN MINING | 1999年
关键词：
D O I：
暂无
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
This paper presents three different and innovative methodologies for stability control of underground roadways within soft rocks in coal mines. The mechanism of destressing above a roadway is analyzed. The injection through rockbolts with cement grout for excavation stabilization is also described. The results are compared to those obtained using steel arches. Finally, a two-dimensional yieldable floor heave control mechanism is described.
引用
收藏
页码：417 / 424
页数：8
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