Research Article
The Influence of an EPS Concrete Buffer Layer Thickness on Debris Dams Impacted by Massive Stones in the Debris Flow
Table 1
Mathematical and mechanical parameters of the material [
12,
20,
26,
29,
30].
| Materials | Density (kg/m3) | Elastic modulus (GPa) | Poisson ratio | Dilatancy (°) | Eccentricity | Biaxial limit compressive strength/uniaxial limit compressive strength | Constant stress ratio
| Viscosity parameter |
| Massive stone | 2,650 | 40 | 0.25 | — | — | — | — | — | Concrete | 2,400 | 26.48 | 0.2 | 30 | 0.1 | 1.16 | 0.6667 | 0.0005 | EPS concrete | 890 | | 0.17 | — | — | — | — | — |
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