Dynamic Risk Assessment of Karst Tunnel Collapse Based on Fuzzy-AHP: A Case Study of the LianHuaShan Tunnel, China

Table 4

Judgment matrix of layer A to tunnel collapse risk assessment index.

	A1	A2	A3	A4
A1	1	6	4	2
A2	1/6	1	2	1/3
A3	1/4	1/2	1	1/2
A4	1/2	3	2	1
Feature vector W = {0.52, 0.11, 0.10, 0.26}^T, λmax = 4.15, CI = 0.05, CR = 0.06 < 0.1, satisfying consistency