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Building Information Modeling/ Virtual Design & Construction
Like a red snake, the 1,150-meter-long Partihallsförbindelsen Bridge coils between the E45 and E20 expressways in Gothenburg. The Partihallsförbindelsen Bridge, which was inaugurated in December 2011, is a four-lane overpass connecting the E20 with the E45 and aims to relieve the pressure on the E6 expressway between the Olskroksmotet and Gullbergsmotet intersections. By 2020, the traffic volume on the bridge is expected to be about 30,000 vehicles per day. Traffic will then be reduced by about 15 percent on other parts of the road network that were previously very congested.
Skanska has been the general contractor for the construction project that commenced in August 2008. The Partihallsförbindelsen Bridge was built in a cramped industrial area between the E20 in the east and the E45 in the west, both of which were extremely busy throughout the project period. Furthermore, the Säveån River also flows through the area, which is designated a Natura 2000 area and thus has special protection and conservation values. Despite the tough conditions, the project was completed on schedule and the cost came in below budget.
The Partihallsförbindelsen Bridge is the first phase of the infrastructure construction project in the Gothenburg region. The next phase will address the Marieholm Tunnel under the Göta Älv River and a new interchange at Hisingen.
As confirmation of the success of the project, the work on the Partihallsförbindelsen Bridge was awarded the FIA’s (Renewal in the Civil Engineering Industry) quality prize for an exemplary civil engineering project in the category “Construction and maintenance.” The prize, which is awarded by FIA Sweden, aims to stimulate innovation and cooperation and to highlight and communicate good examples.
The project also received the Swedish Transport Administration’s work environment prize for 2010.
Claes SvanströmSkanska Sweden+46 10 44 84 361
Mejl Claes Svanström
Marknadssegment: Bridges, Roads, Piling/foundation
Skanska's Project of the Year-Civil 2012
Management Meeting 2012
Relieving the pressure on Olskroksmotet/Gullbergsmotet, the E20 Riddaregatan and Gamlestadsvägen/Slakthusgatan reduces traffic jams that previously built up in these areas. The redistribution of traffic to the Partihallsförbindelsen Bridge has led to reduced emissions and a better environment for residents in the area. The Swedish Transport Administration expects the volume of traffic on the Partihallsförbindelsen bridge to be about 30,000 vehicles per day by the year 2020. Traffic between the Olskroksmotet and Gullbergsmotet intersections is expected to decrease by a full 15 percent.
For road-users, the Partihallsförbindelsen bridge will ensure better accessibility for traffic to and from Gothenburg and for through traffic.
The Swedish Transport Administration commissioned the Partihallsförbindelsen Bridge and Skanska was selected as general contractor. The Partihallsförbindelsen Bridge has been built as a 1,150-meter-long overpass between Åsnäsmotet on the E20 and E45 expressways at Marieholm and has two lanes going in each direction. The objective is to relieve the pressure on the E6 between the Olskroksmotet and Gullbergsmotet intersections. Together with the planned Marieholm Tunnel and a new link under the Göta Älv River, the project is part of the Marieholm Connection Project.
The project was highly intensive due to the short construction schedule. Nevertheless, as a result of good planning, competent employees and solid cooperation between the customer – the Swedish Transport Administration – and Skanska, we were able to maintain the schedule.
The area where we constructed the Partihallsförbindelsen Bridge presented us with a challenge. The traffic flowed uninterrupted during construction on both sides of the site. The E20 in the east carried about 80,000 vehicles each day, while the volume on the E45 in the west was about 50,000 vehicles per day. Furthermore, the Säveån River ran right through the site, which is a Natura 2000 area. This means that the area has special protection and conservation values that placed particularly high demands on the construction process. Work was also affected by the passage of trains and trams through the site.
The land on which the bridge was built mainly comprised clay. Surveys conducted indicated that the dept to solid rock in the areas was as much as 100 meters. The bridge is built on piles, the longest of which was 78 meters. The pilework was a combination of piles driven into solid rock and piles “hanging” in the clay, known as cohesion piles. To ensure the stability of the structure, we enlisted the help of experts in geotechnology. We also developed a proprietary calculation program for complex geostructures.
Since parts of the construction area were old industrial areas, soil samples were taken and remediation action was taken were pollution was identified.
The Partihallsförbindelsen Bridge was built of concrete and steel. By the E45 expressway, it is a traditional concrete bridge and from the Säveån River to the E20 expressway, it is a composite bridge built of steel and concrete. The bridge lighting is recessed into the bridge barriers and directed downwards at an angle to illuminate the roadway in front of the cars. The lights used are Light Emitting Diodes (LED), with an expected life of 15 years.
The brick-red color of the Partihallsförbindelsen Bridge was inspired by the color of the brick buildings in the old town of Gothenburg. In popular speech, the bridge is referred to as “the Red Snake.”
“The Partihallsförbindelsen Bridge is an important link and crucial part of the city and region’s future infrastructure construction project. Travel times will be reduced in a number of Gothenburg’s most congested areas. Furthermore, carbon emissions will be reduced as traffic jams are alleviated.”
Håkan Wennerström, Region Manager, the Swedish Transport Administration