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

Table 9

Triangular fuzzy number of factors.

Classification of factors		I	II	III	IV	V
Bias	C112	0, 0, 10	0, 10, 20	10, 20, 30	20, 30, 40	30, 40, 40
Tunnel depth	B21	20, 40, 40	10, 20, 40	5, 10, 20	0, 5, 10	0, 0, 5
Tunnel width	B22	0, 0, 7	0, 7, 10.5	7, 10.5, 14	10.5, 14, 17.5	14, 17.5, 17.5