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Abstract:	Im Jahr 2018 wurde der final draft von ISO FDIS 19488 “Akustisches Klassifizierungssystem für Wohngebäude”, eine Klassifizierung mit konkreten Zahlenwerten, von den Mitgliedsstaaten abgelehnt. Aus Sicht der Autoren zu Recht, denn nicht wertemäßig einheitliche Anforderungen, sondern eine einheitliche Methodik sollte das Ziel internationaler Harmonisierung sein. 2021 erschien inhaltlich unverändert ISO TS 19488 als “Technical Specification”, also abgewertet als “Technische Regel”. Weltweit den gleichen Schallschutz zu fordern oder zu empfehlen ist genauso unrealistisch wie technisch fragwürdig. Nicht gleiche Anforderungen, sondern gleiche Verfahren sind gefragt. Die neue ÖNORM B 8115-2 präsentiert eine solche einheitliche Methodik, die absolute Höhe des Anforderungsniveaus kann entsprechend den jeweiligen Vorstellungen der “Schutzziele” festgelegt werden. ÖNORM B 8115-2: Methodology for the determination of sound insulation levels In 2018, the final draft of ISO FDIS 19488 “Acoustic Classification System for Residential Buildings”, a classification with concrete numerical values, was rejected by the member states. From the authors' point of view, rightly so, because the aim of international harmonization should not be uniform requirements in terms of values, but a uniform methodology. In 2021, ISO TS 19488 appeared unchanged, as a “Technical Specification”, the same standard devalued as a “Technical Specification”. Demanding or recommending the same sound insulation worldwide is just as unrealistic as it is technically sensitive. Not the same requirements, but the same procedures are required. The new ÖNORM B 8115-2 presents such a uniform methodology, the absolute level of the requirement can be determined according to the desired sound insulation.
Source:	Bauphysik 44 (2022), No. 1
Page/s:	21-27
Language of Publication:	German

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