Sound barrier absorption panel

Details Sound barrier absorption panel Sound barrier absorption panel

1991-10-24

1993-12-07

Gellner, Michael L.

Acoustics

Sound-modifying means

Sound absorbing fence or screen

181284, 181290, G10K 1100, E04H 1700

Patent

active

052685403

ABSTRACT:
A sound absorbing noise barrier panel has a precast reinforced concrete skin with a series of integral horizontal reinforcing ribs that provide a structurally strong panel that will resist wind loading and other requirements. The ribs form compartments on one surface of the panel skin which are filled with a sound absorbing material. A metal screen protective mesh is used to cover the compartments containing the sound absorbing material A decorative fabric is placed over the mesh and a protective decorative glass reinforced concrete lattice is used to finish the panel, resulting in a noise reduction coefficient of 0.95 to 1.0.

REFERENCES:
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patent: 4706422 (1987-11-01), Ashton
patent: 4989688 (1991-02-01), Nelson
patent: 5031721 (1991-07-01), Barden et al.

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