Soundproof wall

Details Soundproof wall Soundproof wall

1995-07-19

1997-10-21

Mai, Lanna

Static structures (e.g., buildings)

Specified terranean relationship

Geographic

181210, 521694, E02D 2700

Patent

active

056783647

ABSTRACT:
A novel and improved soundproof wall is disclosed comprising a main wall rising from the ground, a first branch wall provided atop the main wall and inclined toward a noise source and a second branch wall provided atop the main wall and inclined away from the noise source. In addition, a subordinate branch wall is provided on at least one of the first and second branch walls and extending in a direction other than that of the branch wall.

REFERENCES:
patent: 2163809 (1939-06-01), Rauen
patent: 2646969 (1953-07-01), Hendrickson
patent: 3783968 (1974-01-01), Derry
patent: 4138947 (1979-02-01), Pickett
patent: 4142468 (1979-03-01), Birnstiel
patent: 4436179 (1984-03-01), Yamamoto et al.
patent: 4558850 (1985-12-01), Melfi
Journal of Sound and Vibration (1994) 177(3), pp. 289-305, "Acoustic Performance of New Designs of Traffic Noise Barriers": Full Scale Tests by G.R. Watts et al.
Journal of Sound and Vibration (1994) 176(4), PP. 459-473, "The Performance of Multiple Noise Barriers" by D.H. Crombie and D.C. Hothersall.
Journal of Sound and Vibration (1994) 146(2), pp. 303-322, "Efficiency of Single Noise Barriers" by D.C. Hothersall, S.N. Chandler-Wilde and M.N. Hajmirzae.
Applied Acoustics 31 (1990), pp. 77-100, "Mathematical Modeling of Absorbent Highway Noise Barriers" by Sabih I. Hayek.
Applied Acoustics 44 (1995) pp. 353-367, "Multiple-Edge Noise Barriers" by D.H. Crombie, D.C. Hothersall & S.N. Chandler-Wilde.

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