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Abstract:	Schon seit Jahrzehnten werden im Bauwesen Fertigbäder verwendet, die als geschlossene Elemente im Werk mit allen Installationen, Objekten, Wandverkleidungen und Accessoires montiert und am Bau nur noch aufgestellt und angeschlossen werden müssen. Fertigbäder liegen als Betonzellen aber auch als Stahlblechkonstruktionen, die am Bau eine Verkleidung aus Gipskartonbauplatten erhalten, vor. In der DIN 4109 ist kein Bauteilkatalog für Fertigbäder enthalten, sodass Hersteller derartiger Fertigbäder Prüfzeugnisse über den Schallschutz vorlegen müssen. Diese Prüfzeugnisse beinhalten zum größten Teil die bewertete Trittschallpegelminderung, um auf Basis der Stahlbeton-Rohdecke den bewerteten Norm-Trittschallpegel prognostizieren zu können. Es liegen aber auch Prüfergebnisse über die Schalldämm-Maße der Trennwände und vom Komplettsystem am Bau vor. Folgend werden die aus einer Vielzahl von Messungen gewonnenen Erkenntnisse über die Schallschutzeigenschaften von Fertigbädern zusammengefasst. Impact sound level reduction, sound insulation dimensions and impact sound levels of prefabricated bathrooms Prefabricated bathrooms have been used in the construction industry for decades. They are assembled in the factory as closed elements with all installations, objects, wall cladding and accessories, and only have to be set up and connected on site. Prefabricated bathrooms are available as concrete cells but also as sheet steel structures that receive a cladding of plasterboard panels on site. DIN 4109 does not contain a component catalog for prefabricated bathrooms, so that manufacturers of such prefabricated bathrooms must submit test certificates on sound insulation. For the most part, these test certificates contain the weighted impact sound level reduction in order to be able to predict the weighted standard impact sound level on the basis of the reinforced concrete raw ceiling. However, there are also test results on the sound insulation dimensions of the partition walls and of the complete system on the building. The following is a summary of the findings on the sound insulation properties of prefabricated bathrooms obtained from a large number of measurements.
Source:	Bauphysik 43 (2021), No. 2
Page/s:	71-78
Language of Publication:	German

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