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Sound absorption characteristics of a precast panel system made from environmentally sustainable concrete

journal contribution
posted on 2010-09-01, 00:00 authored by Priyadarsini Rajagopalan, Adam KrezelAdam Krezel
This paper investigates the sound absorption characteristics of a precast panel system made from an environmentally sustainable concrete which can be used as an acoustical material. A current research project undertaken at the School of Architecture and Building, Deakin University, aims at utilising alternative materials and innovative approach to concrete precasting in the production of architecturally pleasing concrete panels. The normal incidence sound absorption coefficients of the assemblies were measured using an impedance tube. In general, the peak frequencies reduced with increasing thickness of concrete. The preliminary results indicate that the sound absorption of a three-layer variation of the panel meet design specifications related to acoustic performance. The major benefits of this investigated approach to concrete and concrete precasting are the ease of tunability to specific peak frequency, improved aesthetics and utilisation of industrial waste.

History

Journal

Building acoustics

Volume

17

Issue

3

Pagination

221 - 232

Publisher

Multi-Science Publishing Co. Ltd.

Location

Brentwood, England

ISSN

1351-010X

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2010, Multi-Science Publishing