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

Rajagopalan, Priyadarsini and Krezel, Adam 2010, Sound absorption characteristics of a precast panel system made from environmentally sustainable concrete, Building acoustics, vol. 17, no. 3, pp. 221-232.

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Title Sound absorption characteristics of a precast panel system made from environmentally sustainable concrete
Author(s) Rajagopalan, Priyadarsini
Krezel, Adam
Journal name Building acoustics
Volume number 17
Issue number 3
Start page 221
End page 232
Total pages 12
Publisher Multi-Science Publishing Co. Ltd.
Place of publication Brentwood, England
Publication date 2010-09
ISSN 1351-010X
Keyword(s) environmentally sustainable concrete
acoustic performance
absorption coefficient
frequency
Summary 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.
Language eng
Field of Research 120101 Architectural Design
Socio Economic Objective 870301 Cement and Concrete Materials
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2010
Copyright notice ©2010, Multi-Science Publishing
Persistent URL http://hdl.handle.net/10536/DRO/DU:30033690

Document type: Journal Article
Collection: School of Architecture and Built Environment
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