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Issue:
Research and Application of Roadway Horizon in Kilometer-deep Mine
Author(s):
Zhang Fujun
,
Su Sheng
,
Zhang Yanhui
Pages:
99
-
100
Year:
2013
Issue:
4
Journal:
Jiangxi Coal Science & Technology
Keyword:
巷道层位
;
支护设计
;
千米深井
;
锚网喷
;
Abstract:
朱集西煤矿一水平巷道埋藏深度为-962 m,部分巷道已经超过-1000 m,巷道受到地应力、围岩性质、地质构造、支护方式等因素的影响破坏较为显著,部分巷道顶底板移近量在1 m以上,造成巷道维护成本大,同时严重影响着矿井的安全生产.通过对朱集西煤矿几条主要大巷层位的优化,巷道变形得到了明显的控制,对千米深井建设具有一定的指导意义.
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