Research Article
Feb 1973
Performance Testing of Freeway Noise Barriers
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VIEW THE REPLYAuthors: Milton D. Harmelink and Jaroslav J. HajekAuthor Affiliations
Publication: Transportation Engineering Journal of ASCE
Volume 99, Issue 1
Abstract
The results of the field evaluation along freeways in metropolitan Toronto show that these barriers are largely ineffective in reducing freeway traffic sound levels at nearby residences. Five different noise barrier types (an earth embankment, normal density and lightweight precast concrete panel walls, an aluminum wall, a plywood wall, and a gabion wall) are described, including materials, appearance, type of support and costs. The barriers, located midway between the houses and the pavement or at the highway shoulder, 60–140 ft (18–43 m) from the nearest houses, provided only 2–6 dba reduction at the first row of houses, 4 ft (1.2 m) above ground. Immediately behind the barriers, where the reductions are of little real benefit, reductions of 8–14 dba were achieved. Calculated reductions due to the barriers were overestimated rather than underestimated.
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Published In
Transportation Engineering Journal of ASCE
Volume 99 • Issue 1 • February 1973
Pages: 123 - 138
Copyright
© 1973 American Society of Civil Engineers.
History
Published in print: Feb 1973
Published online: Feb 5, 2021
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Authors
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Milton D. Harmelink
Head, Urban Systems Research, Ontario Ministry of Trans. and Comm., Ontario, Canada
Jaroslav J. Hajek
Research Off., Ontario Ministry of Trans. and Comm., Ontario, Canada
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.