Newly constructed low-noise asphalt surface fails

Questions are being asked over the construction of a new section of the A1 autobahn in Germany. The highway stretch is being scrutinised due to surface failures and lies close to the city of Bremen but has been open for less than three months.
May 15, 2012 Read time: 1 min
Questions are being asked over the construction of a new section of the A1 autobahn in Germany.

The highway stretch is being scrutinised due to surface failures and lies close to the city of Bremen but has been open for less than three months.

The road carries around 70,000 vehicles/day and its construction was intended to reduce congestion between the port cities of Hamburg and Bremen. Numerous potholes are reported to have appeared in the surface of the highway. Given the recent severe weather, failures of older road surfaces are expected but these problems should not occur on links that have been so recently completed.

The investigations will focus on how water penetration into joints could have already caused the freeze-thaw process to break up the running surface or whether other problems such as material segregation or incorrect mix design could have been factors. The low-noise asphalt surface is crumbling at various points along the 73km section recently opened.

Asphalt milling, paving & compaction Highway & Network Management

Related Content

  • Sea-changes ahead for bitumen pricing
    May 16, 2020
    Both pricing and – importantly – supply patterns will change.
    Read More
  • Launch soon for the Sunderland Bridge’s deck across the Wear
    March 24, 2017
    The team constructing the New Wear Crossing near the English city of Sunderland is preparing for the final launch of the 300m bridge deck. In recent weeks, the legs of the 100m-tall centrepiece have been secured to the foundations within the riverbed and most of the rigging used to raise it into place has been removed. While the bridge deck was being painted, the bottoms of both pylon legs were filled with 175tonnes of concrete, The next major process will be to slowly pull the bridge deck out acr
    Read More
  • Risk warnings for UK revealed with new data
    May 9, 2013
    New data from the UK reveals key information about road risk factors both across the country and in capital London. A new report reveals that around 68% of pedestrian casualties are adults who are at greatest risk on weekend evenings and after consuming alcohol. Meanwhile another separate study in London reveals that cyclists are not at fault in most crashes in which they are involved.
    Read More
  • Cold road reclamation in South Africa
    July 18, 2012
    Raubex Construction’s new Cat RM500 rotary mixer is proving its worth on a road reclamation work on a South African highway Part of an extensive motorway network some 185km long, South Africa’s ongoing Gauteng Freeway Improvement Project (GIFP) is creating a modern, world-class toll route system. The new road will provide major impetus to socio-economic growth in the country’s most populous and commercially active region. Being built in stages by the South African National Roads Authority (SANRAL), these r
    Read More

Highlighted Content