Simulation Ultrasonore de l'Impact Acoustique des Autoroutes
AbstractThis paper reports a research project undertaken since 1977 at the School of Architecture Acoustical Laboratory of Laval University. After a light review of the other research concerning ultrasonic simulation of highway noise, the progress of the different stages of the research are exposed as well as the technical means that have been used, particularly the ultrasonic generation system and the dynamic reproduction of the urban noise fluctuations. The resulting values are then compared to the real noise levels existing on the simulated urban site. The conclusion presents the possible applications for highways design and the control of efficiency for noise barriers used for the protection of residential areas.
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