Research Article
Investigation on Parameter Calibration Method and Mechanical Properties of Root-Reinforced Soil by DEM
Table 1
Tension tests simulation cases.
| Group no. | Root dimensions | DEM parameters | Simulated and theoretical solution | Length (m) | Diameter (m) | pb_stiff (N/m3) | pb_str (MPa) | Esimu (MPa) | Tsimu (MPa) | Etheory (MPa) | Ttheory (MPa) |
| 1 | 0.08 | 0.002 | 1e11 | 1e7 | 200.054 | 9.998 | 200.000 | 10.000 | 0.08 | 0.002 | 1e11 | 2e7 | 200.019 | 19.998 | 200.000 | 20.000 | 0.08 | 0.002 | 1e11 | 3e7 | 200.023 | 29.999 | 200.000 | 30.000 |
| 2 | 0.08 | 0.002 | 2e11 | 2e7 | 400.060 | 29.995 | 400.000 | 30.000 | 0.08 | 0.002 | 3e11 | 2e7 | 600.141 | 29.997 | 600.000 | 30.000 |
| 3 | 0.16 | 0.002 | 1e11 | 1e7 | 200.120 | 9.998 | 200.000 | 10.000 | 0.32 | 0.002 | 1e11 | 1e7 | 200.075 | 9.994 | 200.000 | 10.000 |
| 4 | 0.08 | 0.004 | 1e11 | 1e7 | 400.110 | 9.998 | 400.000 | 10.000 | 0.08 | 0.006 | 1e11 | 1e7 | 600.035 | 9.994 | 600.000 | 10.000 |
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