Investigation of Pullout Resistance of Geogrids with Different Topologies
Investigation of Pullout Resistance of Geogrids with Different Topologies
The interaction between geogrids and geomaterials plays an important role in composite system performance. The quantification of this interaction between particles and geogrid can be investigated using interface shear testing or geogrid pullout testing. In this study, coupling of the 3D Finite Difference Method (FDM) and Discrete Element Method (DEM) was employed to simulate pullout testing. The geogrids used in this study were imported and modeled in FDM, while the distinct soil particles were modeled using DEM. After the model was generated, the effectiveness of geogrids with different topologies was compared. For different types of geogrids, changes in the pullout force with pullout displacement were determined. In addition, the total elastic work of the geogrid was recorded. Overall, it was demonstrated that the opening size and shape of the geogrids have significant importance for the soil-geogrid interaction mechanism.
Candas Oner; David Frost
2025 International Conference on Bio-mediated and Bio-inspired Geotechnics (ICBBG2025)
General session: Bio-inspired methods for infrastructure construction
https://doi.org/10.53243/ICBBG2025-78
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