Vibration response of lightweight wood frame building elements

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DOIResolve DOI: http://doi.org/10.1260/1351010991501455
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TypeArticle
Journal titleBuilding Acoustics
Volume6
IssueSeptember
Pages269288; # of pages: 20
SubjectVibrations
AbstractDirect and indirect measurements of the vibration response of several wood-framed walls and floors were made. The data indicate that these building elements do not behave like a homogenous and isotropic system but rather exhibit a response typical of a periodic plate/beam structure. There is localization of energy near the excitation point and very strong attenuation with distance in the direction normal to the framing members. This region of high attenuation is followed by one of considerably reduced attenuation. A systematic study of a floor/ceiling assembly indicated that the onset of this second attenuation region was caused by the presence of a butt joint in the plate. It is speculated that the weak bending-to-bending coupling caused by the butt joint reduced the bending energy enough so that wave conversion from in-plane to bending at each plate/beam joint accounted for the presence (and in some cases near-constant level) of bending energy after the butt joint.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number43673
9736
NPARC number20331313
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Record identifierc7840646-9704-4db3-aac2-414a11fddc71
Record created2012-07-18
Record modified2016-05-09
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