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 06/2011 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 06/2014

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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Issue 01/2010 Construction Equipment

High Speed Train Gautrain for Soccer World Cup in 2010

With approx. 1.4 % of the surface area of South Africa, Gauteng is the country’s smallest province in terms of area. However, the province contains nearly 20 % of the country’s population. Because...

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Issue 02/2011 Switzerland

Breakthrough at Weinberg Tunnel in Zurich

The Weinberg Tunnel in Zurich, part of Swiss Federal Railways’ “Diameter Line Project”, was successfully broken through on 22nd November 2010. After boring a total of 4,382 m the convertible TBM...

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Issue 02/2010 New Products

New Canopy Pipe System from Ceresola

In addition to their proven products such as segment moulds/pre-cast concrete segment production plants and tunnel formwork systems Ceresola TLS AG incorporated around 3 years ago the “canopy pipe...

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