| Issue |
E3S Web Conf.
Volume 662, 2025
IGS - 4th Technical Workshop on Soil Reinforcement (TCR): Reinforcement and Drainage in Soil Structures 2024
|
|
|---|---|---|
| Article Number | 02004 | |
| Number of page(s) | 4 | |
| Section | Numerical Modelling Approaches | |
| DOI | https://doi.org/10.1051/e3sconf/202566202004 | |
| Published online | 14 November 2025 | |
Numerical modelling of geosynthetic reinforced fills over voids
1 Department of Civil Engineering, GeoEngineering Centre at Queen’s-RMC, Royal Military College of Canada, Kingston, Ontario, K7K 7B4, Canada; E-mail: bathurst-r@rmc.ca; web page
2 WSP Canada Inc., Mississauga, L5N 7K2, Canada; E-mail: Fahimeh.MahdaviNaftchali@wsp.com
Voids may form under thin fills and embankments due to karstic terrain, mining operations, permafrost thawing, pipe failure or local subsidence at the surface of a landfill closure. A strategy that can be used in anticipation of void formation is to introduce a geosynthetic reinforcement layer at the base of the fill at the time of construction that can temporarily support the fill over the void until remediation. This paper describes a series of numerical models of the reinforced fill over a void problem using the finite difference method (program 2DFLAC). The rate-dependent hyperbolic isochronous load-strain model for the reinforcement developed by the writers is used to model the polymeric geosynthetic reinforcement layer.
© The Authors, published by EDP Sciences, 2025
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