Porr Romania was commissioned by the state road com pany CNAIR to design and build the Sibiu–Pites¸ti motorway, section 4 (Tigveni–Curtea de Arges¸). This 9.86 km long section includes a 1.35 km long...
On March 3, 2022, a 7.95 m diameter Robbins Single Shield TBM completed boring at the Ashbridges Bay Outfall Tunnel in Toronto, Ontario. The machine launched in March 2021 from an 85 m deep, 16 m...
After the Swiss Tunnel Congress (STC) could not be held with personal attendance in the past two years due to the covid pandemic, the STC 2022 can now take place again in the established form in the concert hall of the KKL Lucerne from 1 to 3 June 2022.
Although the use of steel fibres for shotcrete or concrete segments can significantly improve the CO2 footprint, their use is still not widespread in Europe. The example of construction lot 16-1 of the Grand Paris Express (GPE) rapid transit network in France shows how the interaction of innovatively thinking construction partners not only creates cost savings, but also benefits the environment.
In a series of short articles, we presented selected research results of the Collaborative Research Centre “Interaction Modeling in Mechanized Tunnelling” at the Ruhr-Universität Bochum in the journal...
Tradition and innovation, that does not have to be a contradiction, as the family-owned company Desoi from Hesse (Germany) shows. True to the spirit of Charles Darwi, that only those advance who move with the times and adapt as necessary, the specialist for injection technology has set itself the task of simplifying work on the construction site with modern means. With the Desoi w.i.l.m.a. recording and documentation device, the integration of mechanics and state-of-the-art electronics has enabled the leap into Industry 4.0.
Porr S.A., Warsaw, has started construction of the S 3 road section Bolków–Kamienna Góra in mid-2021 after a planning period of one and a half years. The Polish motorway connects the port of...
Ground freezing is a state-of-the-art construction method that significantly reduces the impact on the subsoil and the surrounding areas. The method is used, among other things, when drilling from the surface is impossible due to dense urban development or geographical constraints. This was precisely the case with the extension of underground line 5 into the “Europaviertel” district in Frankfurt am Main (Germany): In the highly sensitive, densely built-up inner city location, the tunnel construction work had to be carried out without damaging the existing buildings and without obstructing the above-ground traffic.
The 880 m long Brandberg Tunnel near Winden in Elztal (Baden-Württemberg, Germany) is part of the B294 bypass, which is scheduled for completion by 2024. In the course of excavation work on the...
On July 8, 2022, the next Munich Tunnelling Symposium will take place at the University of the Federal Armed Forces Munich in Neubiberg. The organizers are the university‘s sponsoring association “Förderverein Konstruktiver Ingenieurbau” and STUVA. The lectures will be held in German.
Dr. Karl Morgen celebrated his 70th birthday on 19 March 2022. Reason enough for STUVA, where he has been a member of the board since 2003 and deputy chairman since 2005, to pay tribute to the career...
On the eve of the STUVA 2021 conference in Karlsruhe, the general meeting of STUVA-YEP (STUVA Forum for Young Engineering Professionals) could finally take place again – of course in compliance with...
