Laboratory Measurements of the Sound Insulation of Building Façade Elements

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TypeTechnical Report
Series titleInternal Report (National Research Council Canada. Institute for Research in Construction); no. IRC-IR-818
Physical description183 p.
SubjectAircraft noise
AbstractThis report provides the results of over 100 laboratory measurements of the sound transmission loss of building façade components. These included various wall and roof constructions along with some windows and a number of tests to evaluate the effects of vents on sound insulation. The current work is a major component of the IBANA project (Insulating Buildings Against Noise from Aircraft). The complete IBANA project includes both laboratory and field measurements of building façade sound insulation as well as the creation of computer software to permit the convenient use of this data to design the exterior soundinsulation of buildings against aircraft noise. Tests were performed according to the ASTM E90 procedure that involves building the test partition in an opening between two reverberation chambers. The results givemeasures of the sound insulation of each façade component for randomly incident sound energy. The OITC (Outdoor-Indoor Transmission Class) was used to give a singlenumber rating of the sound insulation of each construction against aircraft noise. Many of the tests were carried out as a number of mini-series in which a particular component was varied but other details of the construction were not varied. For examplethe effects of different exterior wall cladding were investigated on the same basic wall construction.
Publication date
PublisherNational Research Council Canada
AffiliationNRC Institute for Research in Construction; National Research Council Canada
NoteAussi disponible en français: Mesures en Laboratoire de l'isolation Acoustique des Éléments de la Façade des Bâtiments
Peer reviewedNo
NRC numberNRC-IRC-10147
NPARC number20386112
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Record identifierb516cfdd-0170-4427-9532-77daf90974d5
Record created2012-07-25
Record modified2017-06-14
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