Autors: PleshkovaBekyarska, S. G., Nedkov Ts. Title: Research of transmission loss properties of thin layered sound reduction systems for building partition elements Keywords: sound reduction systems, transmission loss properties, buildAbstract: In this document are studied the properties of different combinations of thin layered materials for increasing the index of sound insulation of separating walls built from bricks with holes that are most commonly used in the contemporary building constructions. In the research are combined thin porous elastic elements laminated with thin plates with medium and high density. References - B. H. Sharp, 1999, A Study of Techniques to Increase the Sound Installation of Building Elements, Washington, Washington Science
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