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A26 - Ramp tunnel Danube crossing

Project description

The tunnels north and south of the Danube – the later ascents and descents of the bridge from and to the national roads B127 and B129 were excavated by blasting. A total of 3,200 m of tunnel with an excavation volume of 370,000 m3 was constructed. In the four-lane sections with emergency shoulders, the cross-section is 200 m2 , in the area of junction structures (merging of ramps in the mountain) the cross-section is even up to 400 m2.

Location: Linz, Upper Austria; Austria


Commissioned by:  ICM Construction GmbH

Performance period: since 2020

GEODATA service:

Construction and heading surveying, supply and installation of geotechnical instrumentation with automatic data acquisition. Carrying out vibration measurements and operating the KRONOS information platform.


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