Materials, Properties, and Optimum Geometries of the Design of Noise Walls

Donavan, Paul; Janello, Carrie; Illingworth & Rodkin, Inc.

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Materials, Properties, and Optimum Geometries of the Design of Noise Walls

2018-02-01
By Donavan, Paul ; Janello, Carrie

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English

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Creators:

Donavan, Paul ; Janello, Carrie

Donavan, Paul ; Janello, Carrie Less -
Corporate Creators:

Illingworth & Rodkin, Inc.
Contributors:

Lodico, Dana ; Shaffer, Stephen ; Voropayev, Sergey I. ; Fernando, Harindra J. S. ; Ovenden, Nicholas C.

Lodico, Dana ; Shaffer, Stephen ; Voropayev, Sergey I. ; Fernando, Harindra J. S. ; Ovenden, Nicholas C. Less -
Corporate Contributors:

Lodico Acoustics, LLC ; University of Notre Dame. Department of Civil and Environmental Engineering ; University College London. Dept. of Mathematics ; Arizona. Dept. of Transportation. Research Center ; Arizona. Dept. of Transportation ; ... More +

Lodico Acoustics, LLC ; University of Notre Dame. Department of Civil and Environmental Engineering ; University College London. Dept. of Mathematics ; Arizona. Dept. of Transportation. Research Center ; Arizona. Dept. of Transportation ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Environmental Monitoring Highway Traffic Noise Meteorological Effects Meteorology Noise Barriers Noise Control Noise Measurement Noise Walls Sound Level Meters Sound Propagation Traffic Noise
Publication/ Report Number:

FHWA-AZ-18-699
Resource Type:

Tech Report
Geographical Coverage:

Arizona
Corporate Publisher:

Arizona. Dept. of Transportation ; United States. Federal Highway Administration

Arizona. Dept. of Transportation ; United States. Federal Highway Administration Less -
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-Materials
Abstract:

This research addressed barrier design features that could enhance noise wall performance. It was concluded that application of a horizontal T-top to a conventional straight vertical wall was the most promising. This was established through literature review, scale model testing, and meetings with noise wall suppliers. Field measurements of noise levels and meteorological conditions were conducted over a three-period behind a noise wall exposed to traffic noise. The variation in average noise level from one session average to another was as much as 7.4 dB. Temperature was found to the primary parameter related to the variation. Wind typically increases noise level variation; however, the wind was light and not variable over the measurement period. An approach to analytically modeling the variation in noise level with meteorological conditions was developed. This included a combination of Boundary Element Modeling near the noise wall with parabolic equation methods and Computational Fluid Dynamics used for more distant locations.
Format:

PDF
Funding:

SPR 000-1((679) 699
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:4bad365ff441949df49182c9725c574788d06eacdc395893f6b3b6d70b0cf8c6
Download URL:

https://rosap.ntl.bts.gov/view/dot/37117/dot_37117_DS1.pdf
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Materials, Properties, and Optimum Geometries of the Design of Noise Walls

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