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Title	Continued evaluation of noise barriers in Florida
Record ID	12234
Personal Name Creator	Wayson, R.L.; MacDonald, J.M.; El-Aassar, A.; Arner, W.
Corporate Creator	Civil & Engineering Department (University of Central Florida)
Corporate Contributor	Florida Department of Transportation
Publication Date	20020822
Abstract	This report details work of a continuing project investigating the effectiveness of in-situ in the state of Florida. Data collection started on November 30, 2000 and the last site was visited in May, 2002. Broadband (A-weighted) and 1/3 octave band sound levels were measured at locations above the barrier, behind the barrier and in some cases at the end of the barrrier for purposes of direct insertion loss estimation. Measurement results from these sites were used to evaluate the effectiveness of the barrier, and the TNM, STAMINA 2.0 (using older national reference energy mean emission levels), and STAMINA 2.1 (with Florida specific reference energy mean emission levels) computer prediction models. Additionally, work was begun to determine the meteorological effects on barrier performance and estimation techniques to determine length of the shadow zones created behind highway noise barriers.
TRT Terms	Traffic noise ; Noise barriers ; Acoustics ; Measurement
General Subjects	Florida; Insertion loss; Shadow zone; Traffic noise modeling
Classification	NTL - ENERGY AND ENVIRONMENT - Environment Impacts
Geographical Coverage	Florida
OCLC	50620917
TRIS Online Accession No	00932094
Report Number	FL-ER-85-02
Resource type	Tech Report
URL	http://ntl.bts.gov/lib/12000/12200/12234/index.html
Format	PDF
Language:	English
Database	NTL Digital Repository

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