878
Proceedings of the 18
th
International Conference on Soil Mechanics and Geotechnical Engineering, Paris 2013
An important parameter in geotextile reinforced slopes is the
vertical spacing between the reinforcement layers. There are 6
layers in the slope having 65◦, 7 layers in the slope having 75◦,
and 8 layers in the slope having 85◦ slope inclinations. The
slope failure is induced by breakage rather than pull-out of the
reinforcement. The spacing between adjacent reinforcements is
not investigated in the present study. This will be studied later.
4.
CONCLUSIONS
The failure mechanisms of geosynthetic reinforced slopes are
investigated in a geotechnical centrifuge. The failure surfaces
emerge from the lower part of the slopes rather than from the
slope toes. Slope failure is mainly dictated by the tensile
strength of geotextile when geotextile is intersected by the
failure surface. PIV is an efficient tool to instrument the soil
deformation of model slopes in geotechnical centrifuge.
5. ACKNOWLEDGEMENTS
The work of the first author is supported by the Otto Pregl
Foundation for Geotechnical Fundamental Research.
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