Page 49 - Design Considerations Based on Quantitative Risk Assessments for Slopes
P. 49
Quantitative Risk Assessment
Travel Distance
▪ Travel Distance Equations for Various Types of Landslide
(Corominas, 1996 and Hunter & Fell, 2003)
Landslide Type Paths A B
Rockfalls All 0.210 -0.109
Obstructed 0.231 -0.091
Unobstructed 0.167 -0.091
Translational Slides All -0.156 -0.068
Obstructed -0.133 -0.057
Unobstructed -0.143 -0.080
Debris Flows All -0.031 -0.102
Obstructed -0.012 -0.105
Unobstructed -0.049 -0.108
Earth Flows All -0.214 -0.070
Obstructed -0.220 -0.138
Natural Slopes Unconfined 0.770 0.087
Partly confined 0.690 0.110
Confined 0.540 0.270
