S10 - BL 4.1 - Umfahrung Freistadt - INGENIEURBAU
Transcription
S10 - BL 4.1 - Umfahrung Freistadt - INGENIEURBAU Tunnel construction, Bridge construction, Traffic, Freistadt Overpass structure (F31) with its supporting wall Underpassage near Walchsdorf (F34) Gallery bridge and southern portal of tunnel 'Manz Facts & Figures Company: Porr Bau GmbH | BU 1 | OÖ | TB in Leistungsgemeinschaft mit Porr Tunnelbau und Porr Bau GmbH Infra Customer: Asfinag Bau Management GmbH Project type: Tunnel construction, Bridge construction, Traffic Land / city: Austria, Freistadt Commencement: 11.2011 Project status: Under construction Completion: 08.2014 Contact: Ing. Benedikt Schaumberger (be [email protected]) Lengths of supporting structures:: 23 to 154 m1 Lengths of footpaths:: 45 to 60 m1 Length of underpassage:: 800 m1 Length of gallery structure:: 400 m1 Amount of concrete used:: 80,000 m3 Formwork:: 93,000 m2 Sealing:: 50.000 m2 Concrete reinforcement 7.300 tons steel:: Project overview: With this project on the S10, Asfinag realised the connecting route of the A7 motorway from Linz towards the Czech Republic which has been planned for many years. After this project will be completed the A7 will turn into the 22 km long S10 highway at its current end near Unterweiterdorf. The entire section was divided into several contract sections and will be built from 2010 to 2015 with a budget of approx. 720 million euro. The contract for section 4.1 – the bypass near Freistadt – was awarded to Porr Tunnelbau GmbH in January 2011. This project is realised in cooperation with Porr Bau GmbH (Upper Austria) and Porr Bau GmbH’s infrastructure division. This project comprises the construction of six bridge structures, two passages, the construction of an underpass and a gallery, the construction of two tunnels using the bored tunnel construction method as well as earthworks and road construction works for a 4.5 km long construction section. Civil engineering: Due to the multitude of structures of this project, it was divided into individual sections or groups. The first group comprised 3 bridges with two supporting structures each for both lanes. The first structure, gallery bridge F41, is a bridge construction consisting of three sections and separate supporting structures; its total length amounts to approx. 95 m with spans of up to 37 m. Its cross-section includes a pre-stressed slab with a rounded soffit with cantilever slabs. Both supporting structures were built on a sub-structure in one pour for each structure, for which approx. 1,400 m3 of concrete were used. The next two bridges (F37 & F38) were two, approx. 55 m long, separate supporting structures consisting of three sections and spans of up to 22 m. The cross section included an untensioned slab with double cantilever slabs using the frame bridge construction method. The second group consisted of two passages (F30 & F35) and two bridges (F31 & F32). The passages were built at first with closed, single-line rectangular cross-sections, one for an agricultural road and one for a stream. Parallel wing walls were placed at the portals to stabilise the slopes. This was followed by the constrction of the next bridges (F32) which were realised as two separate skewed frame bridges with spans ranging from 22 to 32 m. Their cross sections are plate supporting structures with double cantilever arms. The supporting structure is reinforced with untensioned double haunches. The F31 bridge’s supporting structure consists of 5 PORR AG | Absberggasse 47, A-1100 Wien | T | F | [email protected] | ZZZSRUUJURXSFRP sections with a length of 135 m and spans of up to 32 m. Its cross section is a prestressed slab with double cantilever arms. The supporting structure was divided in to two concreting sections due to its length. The two remaining structures had to be built with separate construction teams at the same time as the other structures due to their penalised intermediate deadlines. The F34 underpass with a total length of approx. 800 m was built as a tunnel with two lanes using the open cut tunnelling construction method. Abutments and three walls were built in advance with block lengths of 25 m. Afterwards the tunnel’s top slab was concreted with a tunnel slab carriage in weekly shifts. The ‘Galerie Brandstätter’ (F40/42) is an open frame of reinforced concrete with a horseshoe-shaped cross section and a block length of 25 m. Abutments and one base element were concreted in advance, before tunnel slab carriages added the supports and the vault in two 12.5 m long blocks. This was followed by the construction of a cut-off on the vault for noise reduction along the two lanes. The vault is 60 cm thick and built as a waterproof concrete tank with a reinforced construction joint. The gallery is interrupted by the F41 bridge. The gallery’s vault across the bridge is a steel construction with panel cladding to avoid any interruptions of the noise barrier. The project’s five service buildings, line collectors as well as watercourse protection facilities at the tunnels’ portals were an additional and separate construction group. PORR AG | Absberggasse 47, A-1100 Wien | T | F | [email protected] | ZZZSRUUJURXSFRP Powered by TCPDF (www.tcpdf.org)
Similar documents
Bürohaus Praterstern 3
accessed via the main entrance’s staircase and forms the core of the building which functions as a place of communication and event location. Offices for 800 employees were created on a gross floor...
More informationprint page
Tauplitz and Bad Mitterndorf made it possible to preserve the people's beautiful home region while creating jobs and hope for the local youth". The scope of the project "Grimming-Therme" was quite ...
More informationRailroad track Câmpina - Predeal (RO)
within the reach of the railway tracks to ensure scour and erosion protection of the river Prahova through solid concrete weirs and gabion walls. Challenging environment Apart from the culture- and...
More informationprint page
The U3 station Neubaugasse is just a few minutes’ walk from the Neubaugasse office building. Bus and tram The 13A bus stop and the 49 tram stop are directly in front of the building. Bus stops for ...
More information