Figure 90 shows the dialogue box when the user clicks the Material properties button (see Figure 88).

Figure 90

The user can select, among four methods, to assess the static lateral thrust of the backfill. These four methods are presented in more detail, including the theoretical background, at the end of this manual. When the water level is inside or above the embankment, CADAM3D corrects Westergaard's hydrodynamic forces to account for the porosity and permeability coefficient of the backfill.