Noise reduction barrier

Details Noise reduction barrier Noise reduction barrier

1974-11-04

1976-10-05

Gonzales, John

Acoustics

Auditorium

181 33HE, 256 131, E04B 199

Patent

active

039839567

ABSTRACT:
A noise reduction barrier is formed by connecting together a plurality of prefabricated vertically oriented panel members so configured that a hollow tubular wall is formed between opposed panels. The space between panels is filled with sand or loose earth which provides the mass to make the structure sound retardant. In alternative embodiments, for increased sound absorption, perforated sheet material may be secured to the outer edges of the barrier wall and the interstices filled with rock wool or similar porous material.

REFERENCES:
patent: 2753962 (1956-07-01), McBerty
patent: 3630310 (1971-12-01), Federer
patent: 3656576 (1972-04-01), Gubela
patent: 3804196 (1974-04-01), Horn et al.
patent: 3846949 (1974-11-01), Okawa
patent: 3856268 (1974-12-01), Fitch
patent: 3867995 (1975-02-01), Sanders

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