Research Article

Uncertainty Analysis on Risk Assessment of Water Inrush in Karst Tunnels

Table 3

Value of .

Index values Index vectors

Formation lithology
Unfavorable geological conditions
Groundwater level (m)
Landform and physiognomy (proportion of negative landform area)
Modified strata inclination (°)
Contact zones of dissolvable and insoluble rock
Layer and interlayer fissures