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金厂峪金矿缓倾斜难采矿体采矿方法研究_徐东强.pdf
2000 5 M ay, 2000
29 3 Nonfer rous M ines V ol. 29 N o. 3
1 1 2
徐东强 , 柴建设 , 彭永池
( 1. , 063009; 2. , 063400)
[ ] ; ; ;
[ ] ,
, ,
[ ] T D853. 21+ 1 [ ] A [ ] 1002O8951( 2000) 03O0009O04
Study on mi ning method of the gently inclined hardOtoOmine
ore body in Jinchangyu Gold Mine
1 1 2
XU Dong-qiang , CHA J ian-she , P ENG Yong-chi
( 1. H ebei I nstit ute of Science and Tech nology , Tang shan 063009, Ch ina; 2. J inchangy u Gold
M ine, Tangshan 063400, Ch ina)
Key words: the gently inclined orebody; mining met hod; block theory; numerical evaluat ion
Abstract: n accordance w ith t he occurrence condit ions of the g ently inclined t hin and medium
thick hard-t o-mine ore body w ith unst able roof in Jinchangyu Gold Mine, t he stability of roof is
studied by means of block t heory and numerical evaluat ion. T he pillar and room m ining met hod on
upgoing and dow ngoing w ith two layers is presented, w hich is reference f or t he resource develop-
ment and ut ilizat ion of similar mines in the home and aborad.
,
1
,
, 0. 3~ 0 . 8m, ,
, NE ,
22b, SE, 26b, 2~ 1
4m
1
C E L c Rc Rt
3 4
kg/ m M Pa @ 10 M Pa ( b) M Pa M Pa
2799 7. 85 0. 3
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