GGU-SIEVE: Examine filter stability of geotextile filters

With regard to examining the filter stability of geotextile filters to Fact Sheet DWA-M 511 use this menu item to determine the necessary soil properties (grain size at d₅₀ and uniformity coefficient C_u) from the grading curve of the relevant soil, which is selected in a dialog box if several grain size distributions are present.

The program then displays the determined values in a message box.

The data can be copied to the Windows clipboard in the usual way using the button "Export to GGU-FILTER-STABILITY via clipboard". If no additional grading curves need to be examined, exit the dialog box by clicking the "Cancel" button.