The Berchtesgaden salt mine, which has been in operation since 1517, currently extracts approx. 900,000 cubic metres of brine per year in 30 mud-flash drilling plants. The size of the deposit currently being mined, with a salt content of approx. 50% in the rock, is 2.5 km x 1.5 km. Directly connected to the active mining there is a show mine.
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Location: Bavaria; Germany
Client: Südwestdeutsche Salzwerke AG
Performance Period: since 2018
For the geotechnical rock monitoring of individual mud-flush drilling plants, which have an extension of up to 160 m x 120 m and a height of up to 125 m, numerous multiple rod extensometers with up to 60 m individual rod length were supplied and installed. The installation was carried out in the ridge and bed from existing tunnels.
In an old water gallery in the area of the “Old Salina” in Reichenhall a Georobot system for automatic deformation measurement in the area of influence of bored piles was installed for the new construction of a hotel.