Horizontal displacem ent (mm)
0 20406080Case 1
Case 2
Case 3Case 4
Field m easurem ent− 20Depth(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 20406080Case 1
Case 2
Case 3Case 4
Field m easurem entDepth(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 1020304050Case 1
Case 2
Case 3Case 4
Field m easurem entDepth(m)−0. 5−1. 0−1. 5−2. 0(a) At the end of stage 3 (푞푠=49kPa)Case 1
Case 2
Case 3Case 4
Field m easurem entHorizontal displacem ent (mm)
0 1020304050Depth(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.