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ASPHALT SEMINAR BY NORDIC ROAD ENGINEERS´ASSOCIATIO Helsingfors 17.januar 2002

ASPHALT SEMINAR BY NORDIC ROAD ENGINEERS´ASSOCIATIO Helsingfors 17.januar 2002. Two-layer Drainage Asphalt Civilingineer Steen Kønigsfeldt Roads and Parks Municipality of Copenhagen. Disposition:. Foreign experiences Choice of pavement Building the pavement Choice of road

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ASPHALT SEMINAR BY NORDIC ROAD ENGINEERS´ASSOCIATIO Helsingfors 17.januar 2002

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  1. ASPHALT SEMINAR BY NORDIC ROAD ENGINEERS´ASSOCIATIOHelsingfors 17.januar 2002 Two-layer Drainage Asphalt Civilingineer Steen Kønigsfeldt Roads and Parks Municipality of Copenhagen

  2. Disposition: • Foreign experiences • Choice of pavement • Building the pavement • Choice of road • Noise reduction • Traffic safety • Clogging

  3. 54000 homes are exposed to noise from traffikGoal in 2010 : this figur is reduce to 38.000 • Physical planning • Reduction of the speed • Limitation of traffic • Better cars • Noise screens • Noise-reducing paevement

  4. Project organisation • Multidisciplinary project team : • Danish Road Institute/Road Directorate • Danish Environmental Protection Agency • NCC Contractors • Municipality of Copenhagen • DELTA, Acoustics & Vibration • Danish Transport Research Institute (Project leader) • Financed by Danish Ministry of Transport and the partners

  5. Project goals • To develop and test noise reducing pavements for urban roads • Noise reduction over the lifetime of the pavement, applying Dutch twin-lay concept for Danish conditions • To optimise the noise reduction:

  6. Thepavement

  7. The pavement

  8. The Pavement • SBS-modified bitumen (50/100- 75) ( Styrene-Butadiene-Styrene ) • The build in air void: • DA5. AV=25% B%=6,3 • DA8. AV=26% B%=5,4 • DA16. AV=24% B%=3,9 • DA22. AV=22% B%=3,6

  9. Drainage construction

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