52.4. Material and Contact Properties

Embankment Material Properties (Linear Elastic)
Elastic Modulus (Pa)5.2E5
Density (Kg/m3)1988
Solid Specific Weight (KN/m3)26.77
Void Ratio1.5
Poisson's Ratio0.29
Permeability (m/s)0.01
Fluid Specific Weight (KN/m3)9.81
Clay Layer Material Properties (Cam-clay)
Density (Kgm-3)1988
CSL Slope in Hydrostatic Stress Plane1.45
Shape of Yield Surface in Wetting Part1.0
Initial Size of Yield Surface (KPa)101
Permeability (m/s)3.0E-8
Fluid Specific Weight (KN/m3)9.81
Poisson's Ratio0.3
Plastic Slope (m2/KN)0.175
Shape of Yield Surface in Dry Part1.0
Shape of Yield Surface in Octahedral Stress Plane1.0
Solid Specific Weight (KN/m3)26.77
Void Ratio0.75

For Case 2, the specific weight and Young’s modulus are increased gradually over a load step, achieved by making the quantities functions of location and time (TBFIELD).