Development of a highway noise prediction model using an Leq20s measure of basic vehicular noise

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Title Development of a highway noise prediction model using an Leq20s measure of basic vehicular noise
Author Pamanikabud, P.; Tansatcha, M.; Brown, Lex
Journal Name Journal of Sound and Vibration
Editor W. Soedel, Maurice Petyt (Editor-in-Chief)
Year Published 2008
Place of publication United Kingdom
Publisher Academic Press
Abstract The objective of the study reported here was to build a highway traffic noise simulation model for free-flow traffic conditions in Thailand employing a technique utilizing individual vehicular noise modelling based on the equivalent sound level over 20 s (Leq20 s). This Leq20 s technique provides a more accurate measurement of noise energy from each type of vehicle under real running conditions. The coefficient of propagation and ground effect for this model was then estimated using a trial-and-error method, and applied to the highway traffic noise simulation model. This newly developed highway traffic noise model was tested for its goodness-of-fit to field observations. The test shows that this new model provides good predictions for highway noise conditions in Thailand. The concepts and techniques that are modeled and tested in this study can also be applied for prediction of traffic noise for local conditions in other countries.
Peer Reviewed Yes
Published Yes
Alternative URI http://10.1016/j.jsv.2008.02.054
Volume 316
Issue Number 317-330
Page from 317
Page to 330
ISSN 0022-460X
Date Accessioned 2008-12-11
Language en_AU
Research Centre Urban Research Program
Faculty Faculty of Science, Environment, Engineering and Technology
Subject PRE2009-Other Architecture, Urban Environment and Building; PRE2009-Transport Engineering
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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