Safety Assessment of Ancient Buildings under Adjacent Subway Blasting Construction Based on the Optimized Fuzzy Optimal Method

Table 10

Correlation coefficient and ranking of risk factors.

Risk indicators	Correlation coefficient	Rank
U11	0.67	15
U12	0.9	5
U13	0.87	6
U14	0.51	18
U15	0.93	2
U16	0.86	7
U17	0.75	12
U18	0.91	4
U19	0.69	14
U21	0.74	13
U22	0.92	3
U23	0.35	20
U24	0.81	10
U25	0.41	19
U26	0.85	9
U27	0.94	1
U31	0.78	11
U32	0.59	17
U33	0.86	8
U34	0.63	16