A New Bayesian Network Model for the Risk Assessment of Water Inrush in Karst Tunnels

Table 13

– grading interval.

	Strong	Medium	Weak	None
–	I	II	III	IV
	IV	III	II	I
	Yes		No
	Yes		No

The more reasonable the support measures of , the lower the risk, so the expression is in contrary to that of the other input indexes.