Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics of airborne sound insulation; German version EN 1793-2:1997
适用范围:The document specifies the laboratory method for measuring the airborne sound insulation performance of roadside noise barriers. It covers assessment of the intrinsic performance of barriers which can ...
Glass in building -- Glazing and airborne sound insulation -- Measurement of the mechanical impedance of laminated glass
适用范围:ISO 16940:2008 describes a method for the measurement of the loss factor and the equivalent bending rigidity modulus of laminated glass test pieces. The aim is to compare the properties of interlayers....
发布日期:2008-12-01 实施日期:2008-12-01
Abschluesse aussen. Luftschalldaemmung. Angabe der Leistungen Shutters-Acoustic insulation relative to airborne sound-Expression of performance Fermetures. Isolation acoustique vis a vis des bruits aer...
适用范围:The current standard applies to manufacturers of windows who wish to take advantage of additional acoustical performances brought by built-in shutter with window delivered as such on the market or brou...
实施日期:2005-04-28
实施日期:2008-07-01
实施日期:2007-10-01
发布日期:2008-10-01 实施日期:2008-10-01
Bewertung der Schalldaemmung in Bauten und von Bauteilen. Verfahren zur Bewertung der Luftschalldaemmung von Fassadenelementen und von Fassaden Method for Rating Sound Insulation in Buildings and of Bu...
适用范围:Method of deriving a single-figure rating of the performance of fa<c>ade elements and fa<c>ades by comparison with a standard reference curve. Applicable to measurements made according to BS 2750, Part...
实施日期:1984-01-01
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