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Panel testing advances for steel fibre reinforced sprayed concrete Image credit: Bekaert


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Comment 3


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32 38 September 2025 | 5 REGULARS 6 News 42 Events


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Projects


Sustainability strategy Frank Plöger, Klaus Uphoff, Roland Herr


Hamburg metro’s U5 Line is being developed with innovative measures across project management, planning and construction.


Ground


Support Hybrid design of rock support - case study Jorge Terron-Almenara, Erlend Skretting, Karl Gunnar Holter, Are Håvard Høien


A hybrid design approach for support in hard and layered rock masses is discussed, along with a case study in a Norwegian road tunnel.


Utilities Strengthening grids Capex spends boost electricity transmission networks often with key structures such as power cable tunnels.


Lining:


Sprayed New approach for SFRC Benoit de Rivaz


Improving the use of sprayed concrete for final support and lining has a new approach.


Lining:


Segments Alpine focus Spotlights on a segment lining workshop in Salzburg and project production milestones at Brenner Base Tunnel.


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