蚀变带内矿体开采中人工假底的应用研究
宋恩祥,李强,张静,彭康
Research and Application of Artificial False Bottom in Mining of Orebody in Alteration Zone
Enxiang SONG,Qiang LI,Jing ZHANG,Kang PENG
表2
进路最大高度要求
Table 2
Maximum height requirements for access
安全
系数
进路最大高度要求
M
/m
h
=0.3
h
=0.4
h
=0.5
h
=0.6
h
=0.7
h
=0.8
h
=0.9
h
=1.0
h
=1.1
η
=2.0
3.2
3.4
3.8
4.0
4.4
4.8
5.0
>5.0
>5.0
η
=1.0
4.8
5.0
>5.0
>5.0
>5.0
>5.0
>5.0
>5.0
>5.0