Research Article
Discrete Element Analysis of the Load Transfer Mechanism of Geogrid-Ballast Interface under Pull-Out Load
Table 2
Geometry and detail structure dimensions of geogrid specimens in DEM.
| | Aperture structure | Geogrid specimen | Single length of transverse rib (mm) | Single length of longitudinal rib (mm) | Number of nodes embedded in ballast | Effective area of geogrid (mm2) |
| | Rectangular | BG1 | 32 | 36 | 20 | 13824 | | BG2 | 48 | 36 | 15 | 13824 | | BG3 | 36 | 40 | 20 | 17280 | | BG4 | 24 | 24 | 35 | 13824 |
| | Triangle | TG1 | 40 | 40 | 18 | 13856.41 |
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