Sound barrier

A sound barrier made from recycled concrete aggregate, the sound barrier being divided into at least two or more sections, each said section including: an inner layer for supporting the barrier, and an outer layer, said outer layer having a predetermined number of voids for absorbing sound energy at...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: McManus, Kerry, Krezel, Zbigniew
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A sound barrier made from recycled concrete aggregate, the sound barrier being divided into at least two or more sections, each said section including: an inner layer for supporting the barrier, and an outer layer, said outer layer having a predetermined number of voids for absorbing sound energy at a particular frequency, wherein said respective outer layers of said at least two or more sections have different predetermined numbers of voids so as to absorb sound energy at different frequencies. A method of making a sound barrier is also provided.