SIST EN ISO 140-18:2007

Oznaka standarda: SIST EN ISO 140-18:2007
Koda projekta: 00126068
Organizacija: SIST
Naslov (angleški): Acoustics - Measurement of sound insulation in buildings and of building elements - Part 18: Laboratory measurement of sound generated by rainfall on building elements (ISO 140-18:2006)
Naslov (slovenski): Akustika - Merjenje zvočne izolirnosti v stavbah in zvočne izolirnosti gradbenih elementov - 18. del: Laboratorijsko merjenje zvoka, ki ga padavine povzročajo na gradbenih elementih (ISO 140-18:2006)
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Tehnični odbor: AKU - Akustika
ICS: 17.140.01 91.120.20
Status: Objavljen
Objavljen: 01-mar-2007
Refer. št. objave: Sporocila 2007-03-01
Področje projekta (angleško): This part of ISO 140 specifies a laboratory method of measurement of the impact sound insulation of roofs, roof/ceiling systems and skylights excited by artificial rainfall. The results obtained can be used for assessing the noise to be produced by rainfall on a given building element in the room or space below. The results can also be used to compare rainfall sound insulation capabilities of building elements and to design building elements with appropriate rainfall sound insulation properties. This part of ISO 140 is based on measurements with artificial raindrops under controlled conditions using a water tank in a laboratory test facility in which flanking sound transmission is suppressed. Measurements using real rain, although a useful means for validation purposes, are not included because of the variable, unpredictable and intermittent nature of real rain. Other mechanical simulation methods under investigation by researchers are not sufficiently well developed at present to adequately simulate real rain both in terms of sound levels and spectra generated.

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