基于未确知测度理论的石英脉型钨矿山采空区稳定性评价
叶光祥,黄智群,王晓军,张树标,苑栋

Evaluation of Goaf Stability in Vein Quartz Tungsten Mines Based on Unascertained Measure Theory
Guangxiang YE,Zhiqun HUANG,Xiaojun WANG,Shubiao ZHANG,Dong YUAN
表1 定量指标分级标准
Table 1 Classification criterion of quantitative indexes
影响程度等级采幅/m顶板暴露面积/m2
Ⅰ级(C1<3<200
Ⅱ级(C23~8200~800
Ⅲ级(C38~20800~1 200
Ⅳ级(C4>20>1 200