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

  • Efficient asset management to trim maintenance budgets
    January 22, 2014
    Transport infrastructure is taken for granted in many, if not most, developed countries. This has resulted in a shortage of investment in maintenance, posing potential long term cost issues. In many developing nations transport networks are expanding fast, but insufficient thought is also being given to how these will be maintained.
    Read More
  • Turkey’s new Marmara Highway project
    June 8, 2017
    By the end of 2018, a shiny new strip of asphalt will skirt around Turkey’s largest city, Istanbul, providing a new transport connection.
    Read More
  • Mega city transport in Mexico
    June 13, 2012
    Rapid urban growth is resulting in massive mega cities with major transport needs and Mexico City is one of the world’s largest – Mike Woof reports Mexico City is a vast, sprawling metropolis and one of the world’s largest cities, resulting in huge problems for its inhabitants, particularly with regard to infrastructure. Measuring population size is an inexact science for large cities as suburban areas can add to the figures considerably, especially in developing nations where unplanned expansion is as comm
    Read More
  • Sand, gravel and asphalt, building Poland’s roads
    February 24, 2012
    A new quarry is producing top quality aggregates for Poland's massive road construction programme writes Claire Symes. Wakoz Beton's Glazica sand quarry in Poland is a major source of high quality sand and gravels for the Gdansk construction market. The site is modern and only opened in 2006 but Wakoz Beton has continued to invest in facilities to improve its efficiency and output quality. The installation of a CDE mobile washing plant at the site last year is allowing it to provide materials for concrete.
    Read More

Highlighted Content