G - Physics
10
K
181/11
G10K 11/02 (2006.01) E01B 19/00 (2006.01) E01F 8/00 (2006.01) G10K 11/175 (2006.01)
Patent
CA 1066198
ABSTRACT OF THE DISCLOSURE A noise barrier wall having a transition area in the region of at least one unbounded edge and which employs controlled diffraction of sound to enhance the sound reducing properties thereacross. The transi- tion area of the noise barrier is provided with either a row of absorptive shaped splitter panels, or a row of pickets, or other means of controlled transparency which provide acoustical shadowing equal to or greater than that of a solid wall for the frequency regions of interest.
290895
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