文档介绍：Environmental Impact Assessment Review 46 (2014) 68–81
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Environmental Impact Assessment Review
journal homepage: ate/eiar
A critical review of principal traffic noise models: Strategies
and implications
Naveen Garg a,b,⁎,1, Sagar Maji b
a Apex Level Standards and Industrial Metrology Division, CSIR-National Physical Laboratory, New Delhi 110012, India
b Department of Mechanical, Production and Industrial Engineering, Delhi Technological University, Delhi 110042, India
article info abstract
Article history: The paper presents an parison of principal traffic noise models adopted in recent years in
Received 1 November 2013 developed nations. parison is drawn on the basis of technical attributes including source modelling
Received in revised form 4 February 2014 and sound propagation algorithms. Although the characterization of source in terms of rolling and propulsion
Accepted 4 February 2014
noise in conjunction with advanced numerical methods for sound propagation has significantly reduced the
Available online 2 March 2014
uncertainty in traffic noise predictions, the approach followed is plex and requires specialized
Keywords: mathematical skills for predictions which is sometimes quite cumbersome for town planners. Also, it is
fi
Equivalent continuous sound pressure level sometimes dif cult to follow the best approach when a variety of solutions have been proposed. This paper
LAeq critically reviews all these aspects pertaining to the recent models developed and adapted in some countries
Principal oisemodels and also discusses the strategies followed and implications of these models.
Sound propagation © 2014 Elsevier Inc. All rights reserved.
Contents
1. Introduction...............................................................69
2. Principal oisemodels.......................................................69
. FHWAmodel...........................................................69
. CoR