| Issue |
E3S Web Conf.
Volume 644, 2025
EUROGEO 8 - 8th European Conference on Geosynthetics
|
|
|---|---|---|
| Article Number | 03002 | |
| Number of page(s) | 11 | |
| Section | Reinforcement Applications | |
| DOI | https://doi.org/10.1051/e3sconf/202564403002 | |
| Published online | 01 September 2025 | |
Soil arching in geosynthetic and steel grid-reinforced pile-supported embankments
1 Deltares, Delft, Netherlands
2 Technical University of Darmstadt, Department of Civil and Environmental Engineering, Institute of Geotechnics, Darmstadt, Germany
3 Keller Holding GmbH, Germany
4 Keller Fondations Spéciales, France
5 Keller Polska, Poland
6 SHM System, Poland
7 Bezuijen Consult, Netherlands
* Corresponding author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Abstract
High-density deformation measurements were used to investigate the load distribution on, and the deformed shape of the basal reinforcement in pile-supported embankments. Two cases were analysed: a geosynthetic-reinforced (GR) embankment in Woerden, the Netherlands, and a steel-reinforced (SR) embankment in a large-scale model test (PEBSTER), conducted at the TU Darmstadt in Germany. The SR has an axial stiffness over 20 times higher than the GR, yet both embankments exhibited an inverse-triangular load distribution on the reinforcement. This consistent behaviour indicates that soil arching is independent of reinforcement stiffness. Predictions with the Concentric Arches model closely match the measured deflections in both cases. However, the model does not yet include the reinforcement above the piles, where the bending stiffness of the SR plays a role.
© The Authors, published by EDP Sciences, 2025
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