DYWIDAG-Systems International (DSI)

DYWIDAG-Systems International DSI develops, manufactures and supplies entire product lines and system solutions for tunneling. DSI supplies its high quality tunneling systems under the brand name of “ALWAG Systems” to clients around the world to make the underground industry safer. The product range includes a wide variety of anchors, rock bolts, passive rock reinforcement and support, and the well-known field-approved AT-System. The AT-Casing System, which is part of this series, deserves special mention: it is used for the cost-effective and practical implementation of pipe umbrella,...

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Issue 2021-01 Sweden/Germany

Sandvik to Acquire DSI Underground

In late 2020, Sandvik has signed an agreement to acquire DSI Underground, the global leader in ground support and reinforcement products, systems and solutions for the underground mining and tunneling...

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Sweden/Germany

Sandvik to Acquire DSI Underground

“This acquisition is an important step in our growth ambition. DSI Underground’s track record of driving progress and safety in underground operations and its global reach will further strengthen...

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Issue 2011-06 Croatia

AT-Pipe Umbrella Support System allows safe Driving of Omis Tunnel

The most important route between the Croatian seaports of Split and Makarska is the D8 National Road. This road was built very near to the shoreline of the Adriatic Sea in the 1960s. Today, the road...

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Issue 2021-03 DSI Underground

Efficient Use of Forepoling Technology at the Arlinger Tunnel

The 1.35 km long Arlinger Tunnel is part of the first construction phase of the “Westtangente Pforzheim”, the connecting axis of the German federal roads 294 and 463 from the Black Forest to the...

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Issue 2014-06

Mode of Construction for the New Rosshäusern Tunnel changed

The new tunnel will replace the single-track old Rosshäusern Tunnel with its many bends, dating back to 1901, which could not be redeveloped for economic reasons. The old tunnel is also to be used as...

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