Evaluation of the Adaptability of an EPB TBM to Tunnelling through Highly Variable Composite Strata

Table 14

Weights of the evaluation indexes in the index layer.

U1		V1	V2		V3		V4		V5
V1		1	2		5		6		7
V2		1/2	1		4		5		6
V3		1/5	1/4		1		2		3
V4		1/6	1/5		1/2		1		2	λmax = 5.1189
V5		1/7	1/6		1/3		1/2		1	CI = 0.0297
Single-layer weight		0.4631	0.3129		0.1087		0.0694		0.0459	RI = 1.1185
Single hierarchy		1	2		3		4		5	CR = 0.0266 < 0.1
U2	V6			V7				V8
V6	1			5				6
V7	1/5			1				2		λmax = 3.0291
V8	1/6			1/2				1		CI = 0.0146
Single-layer weight	0.7258			0.1721				0.1020		RI = 0.5149
Single hierarchy	1			2				3		CR = 0.0282 < 0.1
U3	V9					V10
V9	1					2				λmax = 2.0
V10	1/2					1				CI = 0
Single-layer weight	0.6667					0.3333				RI = 0
Single hierarchy	1					2				CR = 0 < 0.1