Aeschertunnel
| Aeschertunnel | ||||
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 Lunnerentalbrücke and Aeschertunnel near Birmensdorf
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| use | Road tunnel | |||
| traffic connection |
 
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| place | Aesch | |||
| length | North tube: 2,142 m South tube: 2,175 m |
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| Number of tubes | 2 | |||
| construction | ||||
| Client | Civil engineering department of the Canton of Zurich | |||
| building-costs | 648 million CHF | |||
| start of building | 1998 | |||
| completion | 2008 | |||
| business | ||||
| toll | vignette | |||
| release | May 4, 2009 | |||
| location | ||||
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| Coordinates | ||||
| West portal | 674788 / 244473 | |||
| East portal | 676626 / 243947 | |||
Map with all coordinates: The Aeschertunnel is part of the western bypass of Zurich in Switzerland, officially designated as the N20 / N4 . It has been used by the A3 and A4 motorways since it was opened to traffic on May 4, 2009, and passes under the eponymous town of Aesch between the Birmensdorf junction and the Zurich West traffic triangle .
The Aeschertunnel is geologically located both in the gravelly loose rock of the moraine and in the solid rock of the molasse . In soft rock, the tunnel tubes were driven using the jet method, in solid rock using traditional blasting . A short section in the middle of the Aescherbach was built using opencast mining.
facts and figures
- Completion: Shell: October 2006, interior work: 2008
- Commissioning: May 4, 2009
- Cost: CHF 648 million
- Excavation volume: 600,000 m³
- Length: north tube (direction Basel): 2,142 m / south tube (direction Lucerne): 2,175 m
- Vehicles per day: no official figures yet
situation
The tunnel consists of two separate tubes at a distance of 25 m from the center of the tunnel. Each tube has two lanes and one hard shoulder. The entire width of the lane is at least 10.5 meters. Cross connections every 300 m, two of which are passable, serve as escape routes into the other tube. The utility duct below the roadway can also be walked and driven on. On the Birmensdorf side, the 138 m long Schaubertunnel (Schauber pre-cut) had to be driven for the motorway connection. This branches off from the north tube. Both exits of the Birmensdorf junction are in a tunnel, while the driveways are on the Lunnerentalbrücke.
Web links
- Aeschertunnel. In: Structurae
- Westumführung.ch - Aeschertunnel
- Official website of the building consortium ( Memento of March 10, 2007 in the Internet Archive )
Individual evidence
- ↑ N20 Aescher, Birmensdorf bypass. (PDF - 64.8 kB) (No longer available online.) RODIO Geotechnik AG, June 21, 2006, p. 2 , archived from the original on March 4, 2016 ; accessed on March 25, 2013 (reference from a contractor).