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Issue:
Study on layout and supporting style of entry in leftover coal
Author(s):
CHEN Peng
Pages:
92
-
94
Year:
2005
Issue:
2
Journal:
GROUND PRESSURE AND STRATA CONTROL
Keyword:
边角煤
;
回采巷道
;
巷道布置
;
支护形式
;
Abstract:
凤凰山矿2313东小块段工作面采用留小煤柱沿空掘巷,既达到回收煤柱的目的,又避开峰值压力区,有利于巷道的掘进和维护.在支护设计中,采用锚、棚联合支护,充分利用了棚式支护和锚杆支护的优点,保证了安全生产,为残留煤柱采面巷道布置和支护开辟了新的途径.
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