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...

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Issue 05/2023

Brenner Base Tunnel: Sandvik DT923i Used for Drill and Blast Excavation of the Main Tunnels

Around 158 km of the total of approx. 230 km of tunnel had been excavated by the end of August 2023. The BBT consists of two 8.1 m wide single track tunnels that run at a distance of 40–70 m. At...

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Issue 01/2020 Excavation Technology

Sandvik Launches DT1132i Tunneling Jumbo

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Issue 02/2009 Construction Equipment

New DTi Jumbo Series from Sandvik

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Issue 01/2019 Avesco | Sandvik

Dry Excavation with modified Tunnelling Jumbo

Description of Project Since 2014, a railway tunnel with two single-track tubes with lengths of 2449 and 2426 m has been under production starting from Stuttgart-Nord. The tunnel for its part is an...

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Issue 07/2013 Bohrwagen | Jumbo

Sandvik DTi jumbos to excavate world’s longest subsea road tunnel

Marti IAV Solbakk DA, part of Marti Group of Switzerland, chose Sandvik DTi jumbos for the excavation of Solbakktunnel, a part of the Ryfast Project in Norway. With its length of 14.3 kilometers, the...

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