Danube Viaduct Untermarchtal
Coordinates: 48 ° 14 ′ 26 ″ N , 9 ° 36 ′ 15 ″ E
| Danube Viaduct Untermarchtal | ||
|---|---|---|
| Convicted | B 311 | |
| Crossing of | Danube | |
| Subjugated | Ulm – Sigmaringen railway line | |
| place | near Untermarchtal | |
| construction | Prestressed concrete bridge | |
| overall length | a) 375 m; b) 363 m | |
| width | a) 11.4 m; b) 11.7 m | |
| Number of openings | five | |
| Longest span | a) 70 m; b) 90 m | |
| start of building | a) 1952; b) 2011 | |
| completion | a) 1953; b) 2013 | |
| planner | a) Fritz Leonhardt ; b) Leonhardt, Andrä and Partner |
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| location | ||
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The Danube Viaduct Untermarchtal leads the two-lane federal road 311 in the west of Untermarchtal in Baden-Württemberg over the Danube . The Ulm – Sigmaringen railway line runs along the Danube below it . The section of the B 311 also serves as a bypass of Untermarchtal.
The first bridge, called the Danube Valley Bridge and completed in 1953, was replaced in 2013 by the current viaduct.
Danube Valley Bridge (1953)
The Danube Valley Bridge was one of the first large prestressed concrete bridges in Germany. It was designed by Fritz Leonhardt and built by Swabian companies between 1952 and 1953. It was a total of 375 m long and 11.4 m wide. Its five openings had pillar spacing of 62 + 3 × 70 + 62 m. Its superstructure was a T- beam running through the five openings with two girders with a constant construction height of 4 m and a lateral distance of 6 m as well as an 11.5 m long cantilever arm and a 9 m long coupling plate at each bridge end. The bridge was post - tensioned using the Baur-Leonhardt method and transversely post-tensioned with Leoba tendons. In order to be able to use the falsework and the formwork twice, the superstructure was constructed in two construction phases with overlapping loops of the tensioning strands. This idea was the starting point for the production of long continuous beams in entire fields.
After around 60 years, the bridge was no longer able to cope with the increased traffic loads and was therefore replaced by a new building from 2011 to 2013.
Danube Viaduct (2013)
The Danube Viaduct is a 362.5 m long and 11.7 m wide prestressed concrete bridge with five openings with spans of 55 to 90 m and a continuous, single-cell, rectangular box girder with constant structural height. It was built using the incremental launching method and inserted from the northern end of the bridge with auxiliary piers.
Web links
- Photo of the Danube valley bridge on the website of the Untermarchtal municipality
- Photo of the Danube valley bridge at the start of construction of the new bridge on the website of the Untermarchtal municipality
Individual evidence
- ↑ Danube Viaduct on the website of the Untermarchtal municipality
- ↑ New Danube viaduct - November 2013 on the website of the municipality Untermarchtal
- ↑ Klaus Stiglat: civil engineers and their work . Ernst & Sohn, Berlin 2004, ISBN 3-433-01665-8 , pp. 64 ( limited preview in Google Book search).
- ↑ G. Steinmann: The Baur – Leonhard method and the execution of bridges in prestressed concrete. In: Schweizerische Bauzeitung, Volume 72, No. 44 of October 30, 1954, pp. 639–644 (Donautalbrücke p. 643)
- ^ Eugen Brühwiler, Christian Menn: Reinforced concrete bridges . 3. Edition. Springer-Verlag Wien, Vienna 2003, ISBN 978-3-7091-7261-2 , pp. 25 ( limited preview in Google Book search).
- ↑ New Danube viaduct - November 2012 on the website of the municipality Untermarchtal
- ↑ B 311 - Renewal of the Danube Viaduct near Untermarchtal. Press release of the Ministry of Transport Baden-Württemberg from October 25, 2013