Stability Assessment of Ground Surface along Tunnels in Karst Terrain Using Improved Fuzzy Comprehensive Evaluation

Table 9

Correlation analysis for objective weights of evaluation indices.

Index	Kij				Kijmax	jmax	ri
	N1	N2	N3	N4
c1	−5.1400	−0.5700	0.5700	−0.5720	0.5700	3	4.710	0.1153
c2	−3.0000	−0.0323	0.0133	−0.7801	0.0133	3	3.040	0.0744
c3	−1.1733	−1.5200	−1.0400	0.9600	0.9600	4	7.840	0.1919
c4	0.8000	−1.2000	−3.2000	−5.2000	0.8000	1	1.800	0.0441
c5	−1.6000	0.4000	−0.4000	−2.4000	0.4000	2	2.800	0.0686
c6	−0.3950	−1.1600	−0.3200	0.3200	0.3200	4	5.280	0.1293
c7	0.0000	−3.0000	−2.0000	−0.5000	0.0000	1	1.000	0.0245
c8	−0.8000	0.8000	−1.2000	−3.2000	0.8000	2	3.600	0.0881
c9	−1.8160	−2.5400	−0.5400	0.9200	0.9200	4	7.680	0.1880
c10	−3.0800	−0.0533	0.0320	−0.2460	0.0320	3	3.096	0.0758