Research Article
Experimental Study and Numerical Simulation of the Effect of Rigid Pile Composite Foundations on Slab Culverts
Table 3
Material properties of numerical simulation.
| | Materials | Elastic modulus (MPa) | Poisson’s ratio | Γ (kN/m3) | Cohesion (kPa) | Friction angle (°) |
| | Backfill | 20 | 0.3 | 19 | 30 | 30 | | Culvert | 30,000 | 0.15 | 26 | — | — | | Soft soil | 5 | 0.41 | 19 | 18 | 20 | | Pile foundation | 35,000 | 0.17 | 25 | — | — | | Cushion | 50 | 0.25 | 21.5 | 0 | 40 | | Slope | 3,000 | 0.2 | 23 | 150 | 35 |
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