Stability Charts for Pseudostatic Stability Analysis of Rock Slopes Using the Nonlinear Hoek–Brown Strength Reduction Technique

Table 5

Case studies of rock slope analyzed using the proposed seismic stability charts.

Input parameters	Case 1	Case 2
β (°)	50	53
GSI	40	17
mi	10	18
kh	0.2	0.3
σci (MPa)	100	50
γ (kN/m^3)	28	24
H (m)	100	140
SR (σci/γH)	35	15
FOSβ=45°	3.780	1.847
Calculated data
fβ	0.906	0.865
fkh	0.721	0.612
Proposed charts	2.469	0.978
FOS
Jiang et al.’s charts	2.505	0.908
Slide 6.0 software	2.474	0.911