The program WinNagel offers the possibility to determine the inner safety of a nailed retaining wall with the aid of a rotation mechanism (circular slip line according to Bishop) or a translation mechanism (mechanism of composed rigid compound).
With the supplementary module for the external safety the slope stability of the entire building can be calculated. The supplementary module for further proofs allows the calculation of further proofs such as safety against slip, overturning and bearing capacity for external safety and the calculation of the load parts for proving the components of the wall (nails, shell plate) for inner safety
The surface of WinNagel is similar to that of WINDOWS Explorer. The input tree guarantees an optimal view of all inputs. Opening the output window before the data input enables the user to directly see the effects of the data input in the output window. As many windows as needed can be opened and arranged either next to or below each other. WinNagel runs with the operating systems WINDOWS 2000, XP, Vista and WINDOWS 7.