Drill and Blast
Sandvik Drilling Jumbo DT1131-SC
Approximately 20 km south of Innsbruck, near the town of Steinach am Brenner, the Wolf 2 construction lot and access tunnel of the same name are situated. The Wolf access tunnel, one of the most essential preliminary projects in the implementation of the Brenner Base Tunnel, was excavated by drilling and blasting until November 2015. The cycle of blasting was carried out every three to six hours, dependent upon the geological structure of the rock. The geological structure of the Padaster valley is mainly slate. Engineer and construction manager, Harald Kogler from Swietelsky Tunnelbau GmbH...
