The results of laboratory measurements of the airborne and structure borne flanking sound transmission of timber-framed glass facades in vertical direction are described in relation to the new European standards. The results of Kij -values should give an answer whether the type of junction with the concrete wall or ceiling is relevant for the sound transmission or can be neglected.
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References
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GerretsenE., European developments in prediction models for building acoustics; actaacustica2 (1994) 205–214.
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pr EN-Standard 12354–01.1998, Building acoustics – Estimation of acoustic performance of buildings from the performance of products Part 1: Airborne sound insulation between rooms.
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Part 2: Application to light elements when the junction has a small influence.
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Part 3: Application to light elements when the junction has a substantial influence.
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SchumacherR., “On the flanking sound reduction of facades” Fortschritte der Akustik, DAGA Saarbrücken 1995. (in German)
