The Sofrasar Tunnel Division at Optimas has been supporting tunnel infrastructure teams around the world for over 30 years. Customers rely on our industry knowledge, technical expertise and fastening...
Hodapp GmbH & Co. KG in Achern (Germany) is a renowned manufacturer of custom-made steel and stainless steel doors, specialising among other things in tunnel construction requirements such as pressure...
H+E, based in Bochum (Germany), has made a name for itself with almost 25 years of experience in the field of conveyor technology and offers tailor-made solutions for a functioning backup in the...
On 10 August 2023, a cargo train derailed in the west tube of the Gotthard Base Tunnel. Major material damage was caused. The repair work will take several months. 22 wagons and two locomotives were...
On 31 August 2023, the Board of Directors of TELT (Tunnel Euralpin Lyon Turin) signed the contract for the construction of the Italian section of the Mont Cenis Base Tunnel. This completes the...
Sandvik DD322i is a versatile drill that can be utilized in mining or tunnelling applications, and provides a high level of performance, accuracy and reliability. Sandvik DD322i has a new carrier and...
Using the largest tunnel boring machine in the UK, miners from Riverlinx CJV completed driving the second tunnel for London’s Silvertown project ahead of schedule at the end of July 2023. London is...
The SBB contract for lot 2 “Tunnel Ligerz” was assigned to joint venture IBD, consisting of the partners Implenia (lead), Bernasconi and De Luca. The total contract volume is 230 million euros. The...
In TBM tunnelling, there is a complex interaction between the tunnel boring machine, the ground and the segmental lining. Especially for tunnel heading in jointed rock, these interactions must be...
Tunnel construction places high demands on reliability and availability. Geologically demanding conditions meet confined space in combination with large and heavy transport goods. All of this is a...
