Transcription of Controlling Sound Transmission through Concrete …
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Controlling Sound Transmission through Concrete …
By WarnockThis Update discusses the various factors that affect Sound transmissionthrough different types of Concrete block walls, including single-leaf walls, double -leaf walls and walls with gypsum board attached. Knowledge ofthese factors will assist construction practitioners to design and build wallswith high levels of acoustic performance economically. Construction Technology Update No. 13 Concrete block walls are commonly used to separate dwelling units from each otherand to enclose mechanical equipmentrooms in both residential and office build-ings because of their inherent mass andstiffness.
In other tests carried out at IRC, a num-ber of double-leaf cavity block walls, in which the layers were structurally isolated from each other, achieved STC ratings in
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