Abstract
In Vilnius and in other bigger towns the noise generated by mobile sources accounts for up to 90 % of the total noise level in a town. A high noise level is detected at motor vehicle parking lots. To measure this noise level, testing was carried out at guarded parking lots which were divided into certain types. One lot of each type was chosen for testing. The number of measuring spots was conditioned by the size of a lot. The data obtained during testing reveal that the highest noise level is generated not at a parking lot but on a nearby street. Such conclusions are proved by the results of testing carried out at a parking lot on È. Sugihara street. Although this lot parks over 100 vehicles, the equivalent noise level is 47 dBA. Basing on the testing data, the numeral simulation of the noise dispersion in areas in the vicinity of parking lots has been run with the help of the numeral simulation software IMMI.
Highlights
The number of vehicles has been continually growing in Lithuania
The aim of this paper is to find out the noise level at parking lots and, basing on the results obtained, to perform numeral simulation of the change in the additional noise level with the help of the numeral simulation software IMMI
1.The noise generated by the motor vehicles parked on parking lots does not have any significant impact on the background noise prevailing in the area
Summary
The number of vehicles has been continually growing in Lithuania. the number of vehicles older than 10 years has been growing. The following main types of parking lots may be singled out: Parking lots built close to public buildings and public institutions Their aim is to service the flow of temporally coming customers and employees. Multi-storey and underground garages are being built, which will help to solve the problems of car parking in Vilnius. Baltrënas et al / Journal of Environmental Engineering and Landscape Management 2004, Vol XII, No 2, 6370 to consider the fact that they may be used for a long-term parking and should be available for temporarily coming visitors and special transport (emergency services, cargo transportation, garbage disposal) Those residents who keep their cars in outlaying garages or guarded parking lots could use these lots on a temporal basis. Parking lots are the main places of motor vehicle collection in Vilnius. The aim of this paper is to find out the noise level at parking lots and, basing on the results obtained, to perform numeral simulation of the change in the additional noise level with the help of the numeral simulation software IMMI
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