Road construction

For more mobility in Bavaria's capital

Customer: Deutsche Bahn AG, München
Construction time: March 2008 - November 2009

Project description:
As part of the "New München addresses" urban development project the former shunting track area has been opened up a as new München city district for about 6,000 residents and 6,000 employees.
To do this, a completely new suburban railway stop had to be built. This was executed on the trunk line between the Donnersberger Bridge and the Laim neighbourhood. The new stop was given two stairways and a lift to connected to the Friedenheimer Bridge.

Special features:
Construction of a stopping point on the suburban railway main line with a very high volume of rail traffic. Creation of concrete stairways and the lift in class 3 concrete, directly adjacent to the tracks, which were in operation.

 

 

 

Swiss fast link road authority

Customer: Zurich Canton Construction Authority, represented by the Federal Office for Roads, Winterthur (Switzerland) branch
Construction time: March 2009 - June 2012

Project description:
Expansion of the N1 / N7 between Winterthur, Matzingen and Frauenfeld. Upgrading and renovation of 34 bridges and 9 plant management ducts.

Special features:
Construction during operation

 

 

 

Adaptation to increased traffic levels

Customer: DB Projektbau, Richelstrasse 3, München
Construction time: March - December 2008, July - September 2009

Project description:
The project consisted of five individual sites. A road bridge over the München - Augsburg rail line. A railway crossing for a supply route and three culvert structures for streams. The overall length of the construction project was nearly 3 km.

Special features:
The railway line had to be kept in operation apart from short track possessions. Work was executed in a joint venture with Leitenmaier, the consortium partner.

 

 

 

Construction for the rapid transit route

Customer: Bau-Projekt GmbH, Frankfurt am Main
Construction time: 1999 until 2002

Special features:
Length of about 40 km with 100 sites.

 

 

 

Challenging tunnel construction

Customer: Regierungspräsidium Karlsruhe, Dienstsitz Heidelberg, Heidelberg-Wieblingen
Construction year: 2008 - 2009 (18 months)

Special features:
As part of the road construction for the Schwetzingen-Plankstadt B 535 bypass, the route of the road required a near-surface tunnel.

Tunnel with two bores, the "North bore" length = 650 m; the "south bore" length = 450 m. The inside width is 9.50 m per bore, the tunnel block section lengths are generally 10 m
- 180 m of concrete retaining walls adjacent to the tunnel
- Operations building
- Overflow basin with sedimentation basin
- Backfilling and covering of the tunnel
- Noise barriers before and after the tunnel
- Noise barrier along the newly created L543
- Drainage systems and complete road construction inside and outside the tunnel
- 40,000 cubic metres of concrete (around 600 cubic metres per block)
- 3,800 t of reinforcing steel

 

 

 

Quick connection for Germany's largest airport

Customer: Fraport AG, Frankfurt
Construction time: November 2009 - scheduled for May 2011

Project description:
Within the context of the runway extension programme at Frankfurt Airport, the north-west runway will be built. This will be created to the north of the A3 autobahn, Frankfurt-Cologne ICE and Fraport airport bundled traffic infrastructure.
The taxiway bridges will be directed to allow the traffic infrastructure to cross. These are located in the east and west.

LEONHARD WEISS created the East 2 taxiway bridge, which spans the 4-lane ring at Frankfurt Airport, as permitted by the underpass traffic routes and aircraft access to the apron.

Special features:
The work was executed with traffic continuing to use the airport ring and the adjacent land Lufthansa Cargo site.
The pre-stressed, pre-cast beams (length 25.50 m, weight 70 t) were moved in 3 sections, with full closure of the airport ring, using a 500 t crane.
Production of the abutment walls, each 220 m long and up to 7 m in height, was in bar sections of up to 16 m.
The dimensional accuracy requirements for reinforcement of the abutment connections and precast wall were stringent, since the sections are fitted to each other with a maximum clearance of 2 cm to produce the flexibly rigid frame corner.
Continuous height changes in the abutment walls in relation to wall sections opposite form the incline a result of the sloping gradient. This also had to be considered for the subsequent reinforcement of the pre-cast top concrete layer.
The taxiway bridges were manufactured and commissioned in sections of 80 m, pursuant to the requirements of the "Tunnel construction guidelines", including all technical, firefighting and emergency equipment.