Research Article

Evaluation on the Stability of Vertical Mine Shafts below Thick Loose Strata Based on the Comprehensive Weight Method and a Fuzzy Matter-Element Analysis Model

Table 14

Summary table showing the classical field and segment field values for the evaluation of the stability of shafts below thick loose aquifers.

Evaluation indexRange of classical field valuesRange of segment field values
IIIIIIIVV

10~1212~2424~3636~4848~600~60
20~101101~202202~303303~404404~5050~550
30~8888~176176~264264~352352~4400~625
40~1515~3030~4545~6060~750~80
11.6~1.91.3~1.61.0~1.30.7~1.00.4~0.70.4~1.9
20~0.20.2~0.40.4~0.60.6~0.80.8~10~1
30.6~0.650.65~0.70.7~0.750.75~0.80.8~0.850.6~0.85
10~22~44~66~88~100~10