2012
DOI: 10.3397/1.3693109
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Field investigation of the effects of vegetation on the performance of roadside noise barriers

Abstract: France 4097This paper describes a field experimental investigation of the effects of nearby vegetation on the performance of roadside noise barriers. The effects of nearby vegetation (trees, hedges, vines, etc.) are unclear. It may decrease noise levels behind a barrier, either by back-scattering or absorbing sound. Foliage may also increase noise levels by scattering sound which would normally pass above the barrier into the shadow zone. Field test sites were identified to study these effects. Traffic noise … Show more

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Cited by 2 publications
(1 citation statement)
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“…Such solutions always introduce additional costs to the basic cost of the noise barrier. A certain improvement of the barrier's efficiency is gained also by adding various plant types to the construction of noise barriers and in that way increasing also its thickness [16]. This kind of improvement is also very limited and finally, it is very questionable if such solutions justify the increase of the total barrier cost.…”
Section: Introductionmentioning
confidence: 99%
“…Such solutions always introduce additional costs to the basic cost of the noise barrier. A certain improvement of the barrier's efficiency is gained also by adding various plant types to the construction of noise barriers and in that way increasing also its thickness [16]. This kind of improvement is also very limited and finally, it is very questionable if such solutions justify the increase of the total barrier cost.…”
Section: Introductionmentioning
confidence: 99%