The rapid development of our settlement areas and the protection of our environment make it necessary to build more traffic routes and industrial plants underground. This avoids impacts created by additional buildings and structures above ground. A decisive factor for the success of a project is choosing a technically safe construction method and ensuring the greatest possible economic efficiency at the same time. YASCE and the ILF Group have, for more than three decades, been entrusted with engineering services for outstanding projects. All in all we have been involved in the design and implementation of more than 1000 km of tunnel structures.
YASCE and the ILF Group’s scope of services in the tunnels and caverns field includes: Road tunnels, Railways tunnels, Shafts, Caverns, Operational and safety equipment, Ventilation systems
NAME OF CLIENT
OPG / STRABAG
Tender, final and construction design as well as geotechnical supervision on site for the 10.4-km long pressure tunnel with intake and outlet structures.
The Tunnel conveys 500 m³/s from the upper reaches of the Niagara River to the powerhouse just below Niagara Falls passing underneath the city of Niagara Falls and underneath existing diversion tunnels. The tunnel is excavated by a hard rock TBM featuring a diameter of 14.4 m. During excavation, an initial lining will be installed. The final lining, with a thickness of up to 0.7 m, will consist of non-reinforced concrete. For the structure to sustain operating pressures of up to 15 bar, the final lining will be pre-tensioned by interface grouting.
NAME OF CLIENT
1977 - ongoing
Design and consulting services for the 55 km long Brenner Base High-Speed Railway Tunnel (excavation: NATM/ TBM, cross-passages every 333m, rock overburden), which is the main element of the Munich - Verona railway corridor. As part of the TEN axis No.1 Berlin – Verona/ Milan – Bologna – Naples – Messina – Palermo, it is also one of the main railway connections for the north-south traffic of the Trans-European Network (TEN). The base tunnel consists of a system of two single-track tunnels at a standard distance of 70m, interconnected at intervals of 333m with cross-passages. A drainage gallery is situated between the tunnels, approximately 10m below them; it ends south of Franzensfeste in Aicha.
The design includes multi-functional facilities, one each at Innsbruck, Steinach and Wiesen situated 20 km apart.
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