Quantitative Evaluation and Case Study of Risk Degree for Underground Goafs with Multiple Indexes considering Uncertain Factors in Mines

Figure 7

The comparison results for risk levels of 37 underground goafs. The graph (a) shows the risk levels of underground goafs using CDRC, and the graph (b) shows the risk levels using TMMP, where the blue part represents the risk levels of UME and the orange part represents the risk levels of AHP.

(a)

(b)