Study on the Intelligent Evaluation System of Tunnel Frost Damage in Cold Regions Based on the Fuzzy Comprehensive Evaluation Model

Table 5

Judgment matrix of hydrological conditions.

U2	U21	U22	U23	U24
U21	1.000	5.000	2.000	3.000
U22	0.200	1.000	0.400	0.600
U23	0.500	2.500	1.000	1.500
U24	0.333	1.667	0.667	1.000