Upgrading of bores with combined sliding deformer/inclinometer measuring piping and multiple extensometers in the course of the exploration for the new construction of the Katzenberg Tunnel Karlsruhe-Basel extension and new construction line (ABS/NBS Karlsruhe-Basel) of Deutsche Bahn AG. Setup of an automatic data acquisition at 8 combined sliding deformer/inclinometer measuring points with chain inclinometers and at 3 multiple extensometers with electrical displacement transducers. Measurement before and during the tunnelling works during the undercutting of Bad Bellingen, 2001-2013.
Katzenberg Tunnel