NF EN 1793-1

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1 : intrinsic characteristics of sound absorption under diffuse sound field conditions

Le présent document spécifie la méthode de laboratoire permettant de mesurer l'absorption acoustique des écrans anti acoustiques plats ou des parements plats pour les murs de soutènement ou les tunnels. Il traite de l'évaluation de la performance d'absorption acoustique intrinsèque des dispositifs de réduction du bruit en bordure de voies, destinés à être utilisés dans des conditions de champ acoustique réverbérés, qui peuvent raisonnablement être assemblés à l'intérieur de l'installation d'essai décrite dans la NF EN ISO 354.

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