Asphalt Mixturesto reduce TrafficNoiseProf.Dr. Ir.Andre.A.A.MolenaarAugust31,2025TUDelftDelftUniversityofTechnology
Vermelding onderdeel organisatie August 31, 2025 1 Asphalt Mixtures to reduce Traffic Noise Prof. Dr. Ir. André. A. A. Molenaar
Main sources of noiserail trafficrecreationindustrybuildingactivitiesairtrafficroadtraffic051015202530[%]August31,2025TUDelft
Main sources of noise August 31, 2025 2 0 5 10 15 20 25 30 road traffic air traffic building activities industry recreation rail traffic [%]
Noiseexposedlandin Europe35%>55 dB(A)30%47-55dB(A)40-47dB(A)25%20%15%10%5%0%m9PAYRRAAugust31,2025TUDelft
Noise exposed land in Europe August 31, 2025 3 0% 5% 10% 15% 20% 25% 30% 35% B I L DNL GB F A PDK E GRIRL S FIN >55 dB(A) 47-55 dB(A) 40-47 dB(A)
TrafficnoiseTraffic noise is dominant source ofenvironmental noiseTyre-road noise determinestrafficnoiseOver30%ofthepopulationoftheEUisExposedto55dB(A)andhigherAugust31,2025?TUDelft
Traffic noise • Traffic noise is dominant source of environmental noise • Tyre-road noise determines traffic noise • Over 30% of the population of the EU is Exposed to 55 dB(A) and higher August 31, 2025 4
NoiseSound consists of sound waves with a wide variety ofwavelengths and pressure levelsSoundpressuretimeinterval1752804August31,2025TUDelft
August 31, 2025 5 Noise Sound consists of sound waves with a wide variety of wavelengths and pressure levels. Sound pressure time