Research Article
Postfailure Characterization of Shallow Landslides Using the Material Point Method
Table 1
Material properties for numerical model validation.
| Parameters | Symbol | Sand | Steel frame | Upper layer | Lower layer |
| Material model | | Dry | Saturated | Dry | Soil model | | MC | MC | Linear | Porosity (-) | | 0.46 | 0.46 | — | Solid density, (kg/m3) | | 2690 | 2690 | 7850 | Liquid density, (kg/m3) | | — | 1000 | — | Permeability, (m/s) | | — | | — | Bulk modulus liquid, (kPa) | | — | | — | Dynamic viscosity liquid (kPa.s) | | — | | — | Young’s modulus, (kPa) | | 6000b | 6000b | | Poisson’s ratio | | 0.3 | 0.3 | 0.15 | Effective cohesion (kPa) | | 0 | 0 | — | Effective friction angle (o) | | 34 | 34 | — | Dilatancy angle (o) | | 0 | 0 | — | Tensile strength (kPa) | | 0 | 0 | — |
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a,bCalibration parameters to match the observed.
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