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Title: Experimental Test of Acoustic Properties of Internal Wall Construction Elements
Authors: Butkus, Donatas
Januševičius, Tomas
Grubliauskas, Raimondas
Keywords: partition of internal premises
preventing noise from propagation
Issue Date: 2008
Publisher: Vilniaus Gedimino technikos universitetas
Citation: Butkus, D.; Januševičius, T.; Grubliauskas, R. 2008. Experimental test of acoustic properties of internal wall construction elements, in The 7th International Conference “Environmental engineering”: Selected papers, Vol. 1. Ed. by D. Čygas, K. D. Froehner, May 22–23, 2008 Vilnius, Lithuania. Vilnius: Technika, 78–84.
Abstract: Since external noise outdoors is growing, residents more and more often complain for poor sound insulation of new buildings. Walls separate premises from external or internal space. Their purpose is to hold heat and to let no noise go from one premises to another. Along with changing traditions, thinner partitions being used, they are often built using small keramzit blocks with filled and unfilled air gaps. Partitions are coated with plaster cardboard tiles or are plastered all over. The sound insulation factors Rw of double keramzit block partition were investigated. Air gaps of the partition were filled fully and partially with rock wool; its surface was plastered and smoothed. Research of acoustic properties of various constructions showed that the partition with uncoated by extra materials surface and fully filled air gap had the worst properties. Best performance was realized when the air gap of the partition was filled with 50 mm rock wool layer, leaving 50 mm empty.
ISBN: 978-9955-28-263-1
Appears in Collections:Konferencijų straipsniai

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