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  • Dam remediation "System TERRA-MIX"

    Building Project – High-Water Protection, Kamp Awarding Authority – NÖ Local Government Length – 4800m

    Assignment: The 60 year old dyke was to be renovated by reducing the porosity and by closing the cavities created over time by animals. Three methods were verified – vibro flotation, vibrostufffloation columns and Impulse Compaction. Solution: Due to its technical and economic advantages it was decided to use Imulse Compaction. A row of compaction columns in close proximity to each other were created through a specific sequence of compactions. This without displacing the dyke crest. Results: By means of the Impulse Compaction the complete dyke could be renovated and had its porosity and permeability reduced all the way down to the in-situ layer of gravel. Through the volume reduction the dyke experienced at the same time an increase in its load carrying capacity and stability, further leading to a reduction of the danger of erosion.

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