Table 3. Main input parameters for three analysis cases.
Group
Flow direction method
a
Soil depth
(m)
Internal friction angle (°)
Soil cohesion
(kPa)
Root cohesion
(kPa)
Result A
0.0
Result B
SFD, MFD, IFD
0~1.35
39.6
3.0
11.4 (±3.0)
b
Result C
10.8 (±3.5)
b
Single flow direction(SFD), Multiple flow direction(MFD), Infinite flow direction(IFD)
Standard deviation