1926
Proceedings of the 18
th
International Conference on Soil Mechanics and Geotechnical Engineering, Paris 2013
Figure 4. Inclinometer results in Section I-205.
8 CONSTRUCTION CONDITIONS
Figures 5 and 6 show construction conditions, especially
the upper part of the reinforced soil fill with the reinforcing
steel strips and the face of the anchored wall face at the bottom.
Figure 5. General view of the top part of the reinforced soil fill.
Figure 6. General view of the highest section of wall.
9 CONCLUSIONS
The following conclusions can be summarized:
The stiff clay layer has relatively high strength parameters for
peak conditions.
Residual conditions are achieved for relatively low
displacements, around 1mm.
Due to structural conditions the stiff clay has relatively high
vertical expansion pressures, around 440kPa, whereas
horizontal pressures are relatively low, around 30kPa.
Displacements of the lower anchored wall were generally
small, in the range of 5 to 10mm.
These small face displacementes were expected for the stiff
clay layer. However, for these displacements level it is
possible that residual conditions may be attained by the clay
layer during wall construction.
For the upper reinforced fill, however, face displacements
were relatively high. Measured displacements varied from
around 10mm at the bottom up to 70 to 80mm for the upper
part of the fill.
10 ACKNOWLEDGEMENTS
The authors are greatful to Ms. Karina Tomoko Hentona for
helping in preparing the figures.
11 REFERENCES
ABNT NBR 61822 – 2007. Slope Stability.
ABNT NBR 5629 – 2006. Anchored Walls.
