Horizontal displacem ent (mm)
0 20406080
Case 1
Case 2
Case 3
Case 4
Field m easurem ent
− 20
Dept
h
(m)
−0. 5
−1. 0
−1. 5
−2. 0
−2. 5
−3. 0
−3. 5
(a) At the end of stage 2 (푞푠=49kPa)
Horizontal displacem ent (mm)
0 20406080
Case 1
Case 2
Case 3
Case 4
Field m easurem ent
Dept
h
(m)
−0. 5
−1. 0
−1. 5
−2. 0
−2. 5
−3. 0
−3. 5
(b) Attheendofstage4(푞푠=72kPa)
Figure 5: Distribution of horizontal down-slope displacement at I1 at different surcharge stages (푞푠denotes the surcharge pressure).
Horizontal displacem ent (mm)
0 1020304050
Case 1
Case 2
Case 3
Case 4
Field m easurem ent
Dept
h
(m)
−0. 5
−1. 0
−1. 5
−2. 0
(a) At the end of stage 3 (푞푠=49kPa)
Case 1
Case 2
Case 3
Case 4
Field m easurem ent
Horizontal displacem ent (mm)
0 1020304050
Dept
h
(m)
−0. 5
−1. 0
−1. 5
−2. 0
(b) At the end of stage 4 (푞푠=72kPa)
Figure 6: Distribution of horizontal down-slope displacement at I2 at different surcharge stages.