Gänsebachtal bridge
Coordinates: 51 ° 7 ′ 46 ″ N , 11 ° 24 ′ 31 ″ E
| Gänsebachtal bridge | ||
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| Convicted |
High- speed route Erfurt – Leipzig / Halle |
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| construction | Girder bridge | |
| overall length | 1001 m | |
| width | 13.83 m | |
| Longest span | 24.75 m | |
| Construction height | 2.08 m | |
| height | 25 m | |
| start of building | January 2009 | |
| completion | 2012 | |
| location | ||
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The Gänsebachtalbrücke is a double-track railway overpass on the new Erfurt – Leipzig / Halle line . The 1001 m long structure is designed as a frame bridge without bearings .
The Gänsebachtal Bridge was awarded the undoped German Bridge Construction Prize 2014 in the category “Road and Railway Bridges ”, as, according to the jury's verdict, “a very light construction was implemented that blends in harmoniously with the surrounding area and allows the view to and from the nearby village”. According to the jury, the bridge captivates with its "aesthetic pillar rhythm". With the separate processing of transverse and longitudinal stiffness, “a pioneering design concept is consistently implemented”.
course
The bridge lies between the route kilometers 222.893 and 223.894. To the north of the municipality of Buttstädt , just under 20 km northeast of Weimar , it spans the flat valley of the Gänsebach, the road towards Hardisleben and the road towards Mannstedt at a height of up to 25 m.
planning
In the mid-1990s, a length of 1055 m was planned for the structure. Transparent noise protection walls should contribute to a "graceful appearance". According to the planning status of June 1994, the building was calculated with a net cost of 40 million D-Marks. According to the planning status from mid-1995, the 1056 m long structure should be between the construction kilometers 31.78 and 32.79.
A 1012 m long box girder bridge made of prestressed concrete was put out to tender in 2008 based on a design from 1995 . The bridge superstructure was to be designed as a chain of two continuous girders with eight and seven fields. With a constant construction height of 3.6 m or a construction height of 4.52 m, the standard support width was 44 m. The cross-sectional shape should be a single-cell reinforced concrete box girder, prestressed in the longitudinal direction, with inclined webs and a roadway slab additionally prestressed in the transverse direction.
The structure is in the planning approval section 1.3 of the new line.
At the suggestion of the Bridge Advisory Board of Deutsche Bahn, the draft was revised by the Jörg Schlaich office . After the bridge design was revised in 2008 by a specialist committee of Deutsche Bahn, a special proposal from the company carrying out the construction came into play. The operator is hoping for cost advantages in construction and maintenance as well as an improvement in the aesthetic effect.
The new design has a 1001 m long prestressed two-web T-beam bridge as the superstructure. The originally planned at least 2.7 m wide pillars with a box-girder cross-section were replaced by pairs of round columns with a full cross-section and diameters of 1.1 m (0.95 m in front of the structural joints), which are monolithically connected to the superstructure and spaced at a maximum of 24, 75 m are arranged. This enabled the construction height to be reduced to 2.08 m and the construction height to 3.0 m. In the longitudinal direction, the bridge consists of ten sections that are separated by joints. They have lengths of 52.5 m at the two ends of the bridge and 112 m for the eight segments in between. A middle section consists of two cantilever arms at the ends with lengths of 1.5 m and five fields arranged between them with spans of 2 × 24.75 m, 10.00 m and 2 × 24.75 m. The transfer of the horizontal forces in the longitudinal direction of the bridge, for example the braking forces, takes place in a bridge section via two brake blocks in the middle of the section. These consist of a pair of supports with a center distance of 10.0 m and designed as a concrete frame with broken panes. There are no warehouses , lane crossings or rail extensions.
The structure is one of five semi-integral structures in the project.
construction
Construction work began in January 2009 and completion was scheduled for December 2011.
Bored pile work began in August 2009. The piles are 1.2 m in diameter and 10 to 18 m in length. The superstructure was constructed with the help of a feed scaffold.
On August 16, 2011, the last 55 m long superstructure section was concreted with 550 cubic meters of concrete.
Construction stages
Feed armor
Brake support pillar
Cross frame at the expansion joint
Group of pillars at the expansion joint
April 2011
literature
- Wolfgang Feldwisch, Olaf Drescher , Siegmar Lies: The valley bridges of the new Erfurt – Leipzig / Halle line . In: Eisenbahntechnische Rundschau July and August 2010 , pp. 440–451
- Jörg Schlaich, Thomas Fackler, Fritz Tiarks: The Gänsebachtal Bridge in Thuringia . In: DB Netz AG (Ed.): Infrastructure projects 2016 , Hamburg 2016, ISBN 978-3-87154-560-3 , pp. 98-103
Web links
- www.vde8.de
- Info page on vde8.de (PDF; 729 kB)
- Krebs und Kiefer website with photo montage of the old bridge design (PDF file; 393 kB)
- Pictures of the construction site on bastellen-doku.info
Individual evidence
- ↑ Deutsche Bahn AG communication: Gänsebachtalbrücke, status: November 2009 (PDF; 729 kB)
- ↑ Category road and railway bridges: Gänsebachtalbrücke near Buttstädt - DBBP 2014 award winner Assessment of the jury ( memento of the original from April 13, 2014 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice.
- ↑ a b Graceful stable . In: mobile . May 2014, ISSN 0949-586X , ZDB -ID 1221702-5 , p. 36 .
- ↑ Bärbel Jossunek, Vasco P. Kolmorgen, Alexander Wolf: route brochure New Erfurt - Leipzig / Halle. (PDF) (No longer available online.) In: DB Netz; Infrastructure & technology; Customer information. Railway concept, August 13, 2015, p. 175 , archived from the original on August 16, 2015 ; accessed on August 15, 2015 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. P. 43
- ^ Thomas Schubert, Frank Kniestedt: First course set: new railway line Erfurt-Leipzig / Halle . In: Baukultur , Heft 3, 1994, pp. 20-24, ISSN 0722-3099 .
- ^ Planungsgesellschaft Bahnbau Deutsche Einheit (Ed.): Transport project German Unity Rail No. 8: ABS / NBS Nuremberg-Erfurt - Halle-LeipzigBerlin: Erfurt - Leipzig / Halle section: Planning status June 1994 . Brochure, Leipzig, 1994.
- ^ A b Planungsgesellschaft Bahnbau Deutsche Einheit , Projektzentrum Leipzig (ed.): Transport project German Unity - Rail No. 8: ABS / NBS Nuremberg - Erfurt - Halle / Leipzig - Berlin: Section Erfurt - Leipzig / Halle: Facts and figures . 20-page brochure, Leipzig, August 1995, pp. 8 f., 13 ( PDF file , 2.73 MB).
- ↑ Tender text of DB Projektbau GmbH Leipzig from March 11, 2008
- ↑ Steffen Marx , Jörg Schlaich : Gestalten von Eisenbahnbrücken , doi: 10.1002 / stab.200910019 . In: Stahlbau , ISSN 0038-9145 , 78 (2009), issue 3, pp. 197-202.
- ↑ Deutsche Bahn AG (publisher): Gänsebachtalbrücke in the Nuremberg-Berlin project (VDE8) nominated for the 2014 German Bridge Construction Prize . Press release from November 14, 2013.
- ↑ Order announcement of December 20, 2007 ( Memento of the original of January 13, 2016 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice.
- ↑ Katrin Müller: Closing the gap at the Gänsebachtal bridge in Buttstädt . In: Thüringer Allgemeine , August 17, 2011.
- ↑ Monolithic over the Gänsebach . In: Frankfurter Allgemeine Zeitung of August 9, 2011, page T6.
