Research Article
Pullout Characteristics and Damage Softening Model of the Geogrid-Soil Interface
Table 4
Model parameters of geogrid-soil interface.
| | s (cm) | σ (kPa) | Er (kN·m−1) | G (kPa·mm−1) | u0 (mm) | m |
| | 35 | 50 | 0.56 × 103 | 4.23 | 1.063 | 2.954 | | 100 | 0.56 × 103 | 5.56 | 1.184 | 3.519 | | 150 | 0.56 × 103 | 6.45 | 1.395 | 4.614 | | 200 | 0.56 × 103 | 8.25 | 1.512 | 5.485 |
| | 50 | 50 | 0.45 × 103 | 2.36 | 1.006 | 2.329 | | 100 | 0.45 × 103 | 3.35 | 1.054 | 2.953 | | 150 | 0.45 × 103 | 4.76 | 1.147 | 3.258 | | 200 | 0.45 × 103 | 5.73 | 1.324 | 4.124 |
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