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Excavation for Rosenstein Tunnel in Stuttgart, Germany, stabilized

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The tunnel excavation at Prague Street is up to 18 m deep.

The vast part of the two tunnel tubes is advanced using the underground method. The open cut method is only used for the areas that will connect the tunnel to Prague Street and Neckartal Street.

To stabilize the excavation at Prague Street, temporary strand anchors and bar anchors had been installed.
: To stabilize the excavation at Prague Street, temporary strand anchors and bar anchors had been installed.