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].

MaterialsDensity
(kg/m3)
Elastic modulus
(GPa)
Poisson ratio Dilatancy (°)Eccentricity Biaxial limit compressive strength/uniaxial limit compressive strength Constant stress ratio
Viscosity parameter

Massive stone2,650400.25
Concrete2,40026.480.2300.11.160.66670.0005
EPS concrete8900.17