{"id":27430,"date":"2022-06-23T14:52:48","date_gmt":"2022-06-23T13:52:48","guid":{"rendered":"https:\/\/www.imperalum.com\/indice-disolement-aux-bruits-dimpact\/"},"modified":"2022-06-23T14:53:28","modified_gmt":"2022-06-23T13:53:28","slug":"indice-disolement-aux-bruits-dimpact","status":"publish","type":"page","link":"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/indice-disolement-aux-bruits-dimpact\/","title":{"rendered":"Indice d\u2019Isolement aux bruits d\u2019impact"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"27430\" class=\"elementor elementor-27430 elementor-22902\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-277876ed elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"277876ed\" data-element_type=\"section\" data-e-type=\"section\" 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class=\"elementor-item\">Normes<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27536\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/indice-disolement-aux-bruits-aeriens\/\" class=\"elementor-item\">Indice d\u2019Isolement aux bruits a\u00e9riens<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27537\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/indice-disolement-aux-bruits-dimpact\/\" class=\"elementor-item\">Indice d\u2019Isolement aux bruits d\u2019impact<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27538\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/affaiblissement-acoustique-de-revetements-de-sol-ou-systemes-de-plancher-flottant\/\" class=\"elementor-item\">Affaiblissement Acoustique de Rev\u00eatements de Sol ou Syst\u00e8mes de Plancher Flottant<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27539\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/transmission-laterale\/\" class=\"elementor-item\">Transmission Lat\u00e9rale<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27540\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/considerations-generales\/\" class=\"elementor-item\">Consid\u00e9rations G\u00e9n\u00e9rales<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27541\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/solutions-pour-la-correction-acoustique-despaces\/\" class=\"elementor-item\">Solutions pour la correction acoustique d\u2019espaces<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27542\"><a 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href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/vitesse-de-propagation-du-son\/\" class=\"elementor-item\" tabindex=\"-1\">Vitesse de Propagation du Son<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27333\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/longueur-donde\/\" class=\"elementor-item\" tabindex=\"-1\">Longueur d\u2019Onde<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27334\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/niveau-de-pression-et-de-puissance-acoustique\/\" class=\"elementor-item\" tabindex=\"-1\">Niveau de Pression et de Puissance Acoustique<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27335\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/niveau-acoustique\/\" class=\"elementor-item\" tabindex=\"-1\">Niveau acoustique<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27336\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/temps-de-reverberation\/\" class=\"elementor-item\" tabindex=\"-1\">Temps de R\u00e9verb\u00e9ration<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27337\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/bandes-de-frequence\/\" class=\"elementor-item\" tabindex=\"-1\">Bandes de Fr\u00e9quence<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27338\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/bruits-aeriens-et-dimpact\/\" class=\"elementor-item\" tabindex=\"-1\">Bruits A\u00e9riens et d\u2019impact<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27535\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/normes\/\" class=\"elementor-item\" tabindex=\"-1\">Normes<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27536\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/indice-disolement-aux-bruits-aeriens\/\" class=\"elementor-item\" tabindex=\"-1\">Indice d\u2019Isolement aux bruits a\u00e9riens<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27537\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/indice-disolement-aux-bruits-dimpact\/\" class=\"elementor-item\" tabindex=\"-1\">Indice d\u2019Isolement aux bruits d\u2019impact<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27538\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/affaiblissement-acoustique-de-revetements-de-sol-ou-systemes-de-plancher-flottant\/\" class=\"elementor-item\" tabindex=\"-1\">Affaiblissement Acoustique de Rev\u00eatements de Sol ou Syst\u00e8mes de Plancher Flottant<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27539\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/transmission-laterale\/\" class=\"elementor-item\" tabindex=\"-1\">Transmission Lat\u00e9rale<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27540\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/considerations-generales\/\" class=\"elementor-item\" tabindex=\"-1\">Consid\u00e9rations G\u00e9n\u00e9rales<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27541\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/solutions-pour-la-correction-acoustique-despaces\/\" class=\"elementor-item\" tabindex=\"-1\">Solutions pour la correction acoustique d\u2019espaces<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27542\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/materiaux-poreux\/\" class=\"elementor-item\" tabindex=\"-1\">Mat\u00e9riaux Poreux<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27339\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/\" class=\"elementor-item\" tabindex=\"-1\">Syst\u00e8mes R\u00e9sonants<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-28293\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/solucoes-construtivas-imperalum\/\" class=\"elementor-item\" tabindex=\"-1\">Solu\u00e7\u00f5es Construtivas Imperalum<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-c9f0490\" data-id=\"c9f0490\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5443c01 elementor-widget elementor-widget-text-editor\" data-id=\"5443c01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"col-md-12\"><p>En ce qui concerne les bruits d\u2019impact, la caract\u00e9risation de l\u2019isolation assur\u00e9e par les \u00e9l\u00e9ments de cloisonnement horizontaux se r\u00e9alise, dans le domaine de la fr\u00e9quence, \u00e0 partir de l\u2019obtention d\u2019un spectre de radiation.<br \/>L\u2019indice d\u2019isolement aux bruits d\u2019impact \u2013 se d\u00e9termine par comparaison \u00e0 l\u2019aspect mentionn\u00e9 par la description conventionnelle pr\u00e9sente dans la Norme\u00a0<strong>EN ISO 717-2<\/strong>. Pour cela, on rapporte cette description \u00e0 la courbe, afin que la valeur moyenne de l\u2019\u00e9cart dans le sens d\u00e9favorable (conform\u00e9ment \u00e0 l\u2019illustration), calcul\u00e9e par division de la somme des \u00e9carts d\u00e9favorables par le nombre total de bandes de fr\u00e9quences, consid\u00e9r\u00e9es lors de l\u2019essai, soit la plus \u00e9lev\u00e9e possible, mais sans d\u00e9passer la valeur de\u00a0<strong>2 dB<\/strong>. L\u2019indice d\u2019isolement acoustique correspond \u00e0 la valeur de l\u2019ordonn\u00e9e de la description conventionnelle de la r\u00e9f\u00e9rence pour la fr\u00e9quence de 500 Hz, qui s\u2019exprime en\u00a0<strong>dB<\/strong><\/p><p><a href=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/10\/percurssao1.gif\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-3177 size-full alignleft\" src=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/10\/percurssao1.gif\" alt=\"percurssao\" width=\"469\" height=\"236\" \/><\/a><\/p><p><img decoding=\"async\" src=\"https:\/\/www.imperalum.com\/?solucoes=indice-de-isol-a-sons-de-percussao\" alt=\"\" \/><\/p><\/div><div class=\"clearfix\">\u00a0<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Conceitos gerais de ac\u00fastica En ce qui concerne les bruits d\u2019impact, la caract\u00e9risation de l\u2019isolation assur\u00e9e par les \u00e9l\u00e9ments de cloisonnement horizontaux se r\u00e9alise, dans le domaine de la fr\u00e9quence, \u00e0 partir de l\u2019obtention d\u2019un spectre de radiation.L\u2019indice d\u2019isolement aux bruits d\u2019impact \u2013 se d\u00e9termine par comparaison \u00e0 l\u2019aspect mentionn\u00e9 par la description conventionnelle pr\u00e9sente [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":27559,"menu_order":213,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-27430","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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