Analysis of filter stability of soils after Cistin/Ziems and suffosion safety after Kenney/Lau and Burenkova.

Only available in german language. 


  • Manual system data input or data import from the GGU-SIEVE program (determination and presentation of grain size distribution curves, Version 14 and upwards)
  • Consideration of soil grain shape compliant with DB guideline 836 (module 836.4602A01: Tiefenentwässerungen, Nachweise der Filterstabilität von Filtern/Dräns (Deep drainage, analysis of the filter stability of filters/drains), 1st revision, 01 October 2008)
  • Visualisation of the allowable interval ratio between the filter and the protected soil as a function of their uniformity coefficients in the Cistin/Ziems diagram
  • Input data and analysis results displayed in a legend
  • Examples from DB guideline 836 and Merkblatt Anwendung von Kornfiltern an Wasserstraßen (MAK) published by Bundesanstalt für Wasserbau (BAW) in Karlsruhe, 1989
  • 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

  • 4.00 (30.04.2019)
    • Mini-CAD: Layer designations can be defined.
    • Expandable database with soil properties for common soils.
    • PDF import implemented.
    • Screen visualisation accelerated.

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

  • 3.05 (07.11.2017)
    • product management


  • 1.12 (20.02.2013)
    • Bugfix: Burenkova method


  • 1.11 (27.02.2012)
    • Soil and filter designations can be entered.


  • 1.10 (20.02.2012)
    • Kinney/Lau and Burenkova methods implemented.


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Single Program Subscription *

1 Year subscription NNL115,03 €

Single Program for CmStick

30 days FNL41,00 €
1 Licence FNL345,10 €

Complete GGU-Suite for CmActLicense *

10 hours PayPerUse NNL **240,00 €
1 Year subscription NNL **5.890,50 €

All prices incl. VAT

*: CmActLicense, no need of CmStick, always current major program versions. Not for virtualisation OS.
NNL: Non-network licence
FNL: Floating-network licence
**: Only available outside Germany, Austria and Switzerland

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