NKT Photonics A/S – Blokken 84, 3460 Birkerød, Denmark – Phone: +45 4348 3900 – fax: +45 4348 3901 – www.nktphotonics.com What keeps our motorways in place? Every day, more than 150,000 cars zoom by the German city of Hamburg on the busy A7 motorway. To avoid congestion and improve traffic flow, the A7 is being expanded from four to six – or even eight – lanes in the urban area of Hamburg Altona. In Altona, the A7 is built on abutments. New abutments must be set up for the planned expansion. It is an important and complicated task to construct the foundation piles for the abutments and the new noise barriers. A lot of factors must be taken into consideration, such as soil type, wind pressure, static load, snow load, potential vehicle collision and more. The company, Stump, has e

Join for free to read