Affiliation:
1. Marcus Wallenberg Laboratory for Sound and Vibration Research (MWL), Department of Aeronautical and Vehicle Engineering, Kungl Tekniska Högskolan (KTH), Stockholm, 100 44, Sweden
Abstract
The use of a single vertical screen to obstruct the propagation of noise from source to receiver over hard and soft flat ground is well known. However, in addition to considerations of acoustical efficiency, the design of road traffic noise barriers depends on many other factors. Site conditions, planning restraints and visual considerations will affect the final selected design, as will engineering considerations related to the construction materials, the weather loading due to wind and precipitation. The aim of this article is to show both the acoustical benefits and drawbacks of using a screen adjacent to a highway located in a cutting dip in otherwise flat ground topography.
Subject
Mechanical Engineering,Acoustics and Ultrasonics,Mechanics of Materials,Condensed Matter Physics,General Materials Science