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

Table 4

Judgment matrix of temperature conditions.

U1	U11	U12	U13	U14
U11	1.000	0.250	0.333	0.500
U12	4.000	1.000	1.333	2.000
U13	3.000	0.750	1.000	1.500
U14	2.000	0.500	0.667	1.000