Content

Inhalt | Contents

Nachrichten | News

Switzerland | Schweiz

2nd Gotthard Tube: Access Shaft Contract Awarded

In mid-March 2021, the Swiss Federal Roads Office (FEDRO) has awarded the 86.6 million Swiss francs (78.5 million euros) contract to build a 4 km access shaft for the second Gotthard tube (Lot 243) to...

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Germany/Sweden | Deutschland/Schweden

DSI Underground Acquires VR Company Edvirt

On 26 February 2021, DSI Underground SMART, a wholly owned subsidiary of DSI Underground completed the acquisition of the virtual reality training specialist Edvirt. Edvirt provides products and...

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Projektbericht | Project Report

Risikomanagement | Risk Management

Forschung & Entwicklung | Research & Development

Tunnel Series: Interaction Modeling in Mechanized Tunnelling, Part 2

Soil Excavation and Tool Wear

The wear of tunnelling tools successively reduces their excavation capability, which slows down the penetration rate of the tunnel-boring machine (TBM) and eventually requires a replacement of the...

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Baumaschinen | Construction Equipment

Ausbau | Lining

Buchbesprechung | Book Review

Veranstaltungen | Events