Analysis of buoyancy safety and hydraulic failure safety in one-dimensional systems


  • Analysis using either the global safety factor concept ( DIN 4126) or the partial safety factor concept (DIN 4126-100 and EC 7/DIN 4126:2013)
  • Determination of buoyancy safety
  • Determination of hydraulic failure safety ‘classical’ or after Aulbach/Ziegler
  • System optimisation (e.g. thickness of a liner layer) in terms of demanded safety factors 
  • System input and visualisation using absolute heights
  • Input of any soil strata configuration 
  • Soil properties can be selected from an expandable database of common soils •
  • Graphical system presentation using eitherpore water pressure distribution, potential course or gradient visualisation
  • Adopted standards and partial factors can be included in the General legend
  • Program name and version can be included in the General legend
  • Variable, user-designed output sheet • User-defined design of output sheet•
  • Print or copy screen sections, e.g. for transfer to a word processor 
  • Integrated Mini-CAD system for additional annotation of graphics

Current updates & changes

  • 7.00 (14.02.2019)
    • PDF import implemented.
    • Mini-CAD: Layer designations can be defined.
    • Expandable database with soil properties for common soils.
    • Screen visualisation accelerated.

    Info: Paid major update (free of charge for licensees with subscription or update insurance under the software service agreement)


  • 6.07 (02.08.2018)
    • Marked red if not verified
  • 6.06 (01.03.2018)
    • Background color of the legends
  • 6.05 (23.05.2016)
    • Product Management
  • 6.04 (14.12.2015)
    • New partial safety factors for Hydraulic heave to DIN 1054/A2:2015-11


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FNL: Floating-network licence

System preferences

GGU-Software runs on PCs with the following specifications:

  • Pentium III or higher processor
  • Microsoft Windows® 7, 8, 8.1and10 compatible
  • 500 MB free hard disk space
  • DVD-ROM drive or internet connection (for installation)
  • USB Interface 2.0 or higher (for licence CmStick dongle)
  • CmActLicences NOT on virtual maschines