Centrifuge modelling reveals how the overlap of geosynthetic strips affects load transfer and differential settlement in piled embankments.
The overlap of two geosynthetic strips, located at the base of the granular load transfer platform and above rigid inclusions, is being studied on small-scale instrumented models using the moving tray device in the geotechnical centrifuge at the University Gustave Eiffel. The width of the cover (in the range between zero and the pile spacing, for 3 area ratios of reinforced pile embankment) influences the efficiency of the load transfer and the differential settlement at the surface.
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Thorel et al. (2025) studied this question.
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