2979
Technical Committee 214 /
Comité technique 214
Proceedings of the 18
th
International Conference on Soil Mechanics and Geotechnical Engineering, Paris 2013
Table 2 Design Criteria and ground treatment details
Design criteria:
Maximum settlement of 25mm and maximum
differential settlement of 10mm for a chord of
10m (1:1000) over 6 months.
Soil replacement:
1m deep
PVD details:
15m long with 1.2m spacing in triangle pattern.
Sand blanket:
500mm thickness
Basal
reinforcement:
Geotextile with ultimate tensile strength of
200kN/m
Surcharge:
1.5m thickness
Stages loading:
1. 3.9m thick fill and rest for 4 months.
2. 5.8m thick fill and rest for 3 months.
3. 7.6m thick fill and rest for 3 months.
-2000
-1500
-1000
-500
0
Settlement (mm)
2
4
6
8
10
Fill Thickness (m)
0
50
100
150
200
250
300
350
400
450
-2000
-1500
-1000
-500
0
Settlement (mm)
Time (day)
At centre of embankment
At edge of embankment
Measurement
Calculation
Figure 3. Instrumented layout plan.
Figure 4. Geometry of FEM.
Figure 5. Settlement of embankment.
