Caltrans thin lift study : effects of asphalt pavements on wayside noise

Rochat, Judith L; Read, David R.; Fleming, Gregg G.; John A. Volpe National Transportation Systems Center (U.S.)

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Caltrans thin lift study : effects of asphalt pavements on wayside noise

2010-06-30
By Rochat, Judith L ; Read, David R. ; Fleming, Gregg G.

[PDF-3.27 MB]

English

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Details:

Creators:

Rochat, Judith L ; Read, David R. ; Fleming, Gregg G.

Rochat, Judith L ; Read, David R. ; Fleming, Gregg G. Less -
Corporate Creators:

John A. Volpe National Transportation Systems Center (U.S.)
Corporate Contributors:

California. Dept. of Transportation. Division of Research and Innovation
Subject/TRT Terms:

[+]

Acoustic Measuring Instruments Asphalt Pavements Data Collection Highway Traffic Noise Noise Control Sound Level Sound Level Meters Tire/Pavement Interation Noise Tire/Pavement Noise Traffic Noise
Publication/ Report Number:

CA 10-0146
Resource Type:

Tech Report
Geographical Coverage:

Los Angeles (California)
Corporate Publisher:

John A. Volpe National Transportation Systems Center (U.S.)
Abstract:

The Volpe Center Acoustics Facility, in support of the California Department of Transportation,

participated in a long-term study to assess several types of pavement for the purpose of noise abatement.

On a 6.4-km (4-mi) stretch of a 2-lane highway in Southern California, several asphalt pavement overlays

were examined. Acoustical, meteorological, and traffic data were collected in each pavement overlay

section, where microphones were deployed at multiple distances and heights. Single vehicle pass-by events

were recorded primarily for 3 vehicle types: automobiles, medium trucks, and heavy trucks. Data were

analyzed to determine the noise benefit of each pavement as compared to the reference dense-graded

asphalt pavement; this includes a modified Statistical Pass-By Index as well as average LAFmx values for

each vehicle type. In addition, 1/3-octave band data were examined. Results from the study indicate that

applying a quieter pavement overlay can reduce wayside-measured sound levels.
Format:

PDF
Funding:

43A0140
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:1b939c3f310e34dbb69c6c40a0fd28fcaa36cf7f146017612a6e45c4e2865e0c
Download URL:

https://rosap.ntl.bts.gov/view/dot/9697/dot_9697_DS1.pdf
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Caltrans thin lift study : effects of asphalt pavements on wayside noise

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