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Standard ČSN EN ISO 11654 1.12.1998 preview

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ČSN EN ISO 11654 (730528)

Acoustics - Sound absorbers for use in buildings - Rating of sound absorption



STANDARD published on 1.12.1998


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The information about the standard:

Designation standards: ČSN EN ISO 11654
Classification mark: 730528
Catalog number: 54621
Publication date standards: 1.12.1998
SKU: NS-164787
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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Acoustics in building. Sound insulation

Annotation of standard text ČSN EN ISO 11654 (730528):

Tato norma je českou verzí evropské normy EN ISO 11654:1997. Evropská norma EN ISO 11654:1997 má status české technické normy. Oznámení o schválení: Text mezinárodní normy ISO 11654:1997 byl schválen CEN jako evropská norma bez jakýchkoliv modifikací. Tato mezinárodní norma stanoví metodu, kterou mohou být kmitočtově závislé hodnoty činitele zvukové pohltivosti převedeny na jediné číslo. Předtím jsou hodnoty činitele zvukové pohltivosti změřené podle ISO 354 (v ČR zavedena jako ČSN ISO 354) v třetinooktávových kmitočtových pásmech převedeny na hodnoty pro oktávová pásma. V Příloze B je pro informaci uvedena metoda klasifikace založená na tomto jednočíselném hodnocení. Norma obsahuje tyto kapitoly: kapitolu 1 - Předmět normy, kapitolu 2 - Normativní odkazy, kapitolu 3 - Definice, kapitolu 4 - Výpočty a kapitolu 5 - Prezentace výsledků. Norma dále obsahuje informativní Přílohy A, B, C a normativní Přílohu ZA. ČSN EN ISO 11654 (73 0528) byla vydána v prosinci 1998

Preview of the standard ČSN EN ISO 11654 (730528)

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