Autors: Mladenov, G. D., Damyanov, I. S. Title: STUDY OF THE NOISE LEVEL FROM THE VEHICLES IN SOFIA Keywords: external noise, noise level, vehicles, reconstruction of the Abstract: The problem of transport noise has two sides: - so. external noise affecting the inhabitants of the settlement and noise in the vehicle where the driver's workplace and the seats of the passengers are. The object of study is the level of external noise emitted by vehicles in the city of Sofia. The values of the basic equivalent noise level emitted by the metro, automobile, tram and trolleybus traffic, as well as for single vehicles have been determined. A comparison was made of the emitted noise from cars on the street pavement with pavement and those with asphalt, the external noise from the passage of metro trains and tram trains after the reconstruction of the railway. References Issue
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Вид: пленарен доклад в международен форум, публикация в реферирано издание