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

Table 10

Probability level standard.

Level	1	2	3	4	5
Probability description	Likely to happen	Could happen	Casual	Impossible	Very unlikely
Probability range (%)	>30	3–30	0.3–3	0.03–0.3	<0.03