HEC-RAS requires at least one set of material properties to be specified for each bank it performs bank failure analysis on. Three levels of detail are available for specifying this parameter including:

  1. Selecting Pre-Defined Default Parameters
  2. Select a Single Set of User Defined Material Parameters for a Bank
  3. Define Layers of Unique Material at a Bank

The material specification approach is bank-specific, so different approaches can be used for different banks within the same model.