MODEL INVESTIGATIONS OF THE PERFORMANCE OF RAILWAY NOISE BARRIERS
The major factors affecting the performance of a noise barrier are the height and the proximity to the source. For railways, operational considerations mean that the position of barriers is controlled by the structure. It is also common to restrict the height so as not to impede the view of passengers. It is important to develop designs of noise barrier which will produce optimum performance within these restrictions. Several modifications are possible to the simple plane rigid screen. The purpose of this paper is to investigate the performance of several designs of barrier in reducing noise. Comparisons of performance could be carried out using site tests. These are very expensive and time consuming. Also the results are affected by atmospheric and other site conditions which add extra variables to the data and hinder comparison. The method used here is to model the conditions by numerical and experimental methods. Although the results depend on the accuracy of the models extraneous factors which affect the site results can be avoided. (A) For the covering abstract see IRRD E101083.
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/isbn/1901656179
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Corporate Authors:
Institute of Acoustics
77A St. Peter's Street
St. Albans, Hertfordshire AL1 3BN, United Kingdom -
Authors:
- HOTHERSALL, D C
- HOROSHENKOV, K V
- Morgan, P A
- SWIFT, M J
- Conference:
- Publication Date: 1999
Language
- English
Media Info
- Features: References;
- Pagination: p. 35-40
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Serial:
- Volume: 21
Subject/Index Terms
- TRT Terms: Measurement; Noise barriers; Performance; Railroad tracks
- ITRD Terms: 5910: Durability; 6136: Measurement; 2886: Noise barrier
- Subject Areas: Railroads;
Filing Info
- Accession Number: 00765823
- Record Type: Publication
- Source Agency: Transport Research Laboratory
- ISBN: 1-901656-17-9
- Files: ITRD
- Created Date: Jul 1 1999 12:00AM