{"id":36861,"date":"2022-05-16T08:00:00","date_gmt":"2022-05-16T06:00:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=36861"},"modified":"2022-05-13T16:03:44","modified_gmt":"2022-05-13T14:03:44","slug":"le-plancher-en-bois-est-concu-pour-absorber-le-son","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/le-plancher-en-bois-est-concu-pour-absorber-le-son\/","title":{"rendered":"Le plancher en bois est con\u00e7u pour absorber le son"},"content":{"rendered":"<p class=\"bodytext\">Selon un communiqu\u00e9 de <a href=\"https:\/\/www.empa.ch\/web\/s604\/noise-trap\" target=\"_blank\" rel=\"noopener\">presse<\/a> , des chercheurs du Laboratoire f\u00e9d\u00e9ral d&rsquo;essai des mat\u00e9riaux et de recherche ( <a href=\"https:\/\/www.empa.ch\/web\/empa\/home\" target=\"_blank\" rel=\"noopener\">Empa<\/a> ) travaillent sur une premi\u00e8re mondiale dans l&rsquo;insonorisation des b\u00e2timents en bois. Il s&rsquo;agit notamment de r\u00e9duire les bruits de pas. Les chercheurs utilisent une th\u00e9orie physique des ann\u00e9es 1990.<\/p>\n<p class=\"bodytext\"> La th\u00e9orie porte sur les soi-disant trous noirs acoustiques. Les \u00e9videments paraboliques dans un mat\u00e9riau doivent pouvoir \u00ab\u00a0avaler\u00a0\u00bb les vibrations telles que le son. Cependant, cette th\u00e9orie n&rsquo;a pas encore \u00e9t\u00e9 test\u00e9e ni dans la construction en bois ni dans l&rsquo;acoustique du b\u00e2timent. Stefan Schoenwald, responsable du laboratoire d&rsquo;acoustique des b\u00e2timents de l&rsquo;Empa \u00e0 D\u00fcbendorf, a <span style=\"font-size: revert; color: initial;\">r\u00e9alis\u00e9 pr\u00e9cis\u00e9ment de telles exp\u00e9riences avec son \u00e9quipe.<\/span><\/p>\n<p class=\"bodytext\"> Dans ses exp\u00e9riences, l&rsquo;\u00e9quipe a d\u00e9j\u00e0 calcul\u00e9 des spectres acoustiques sur ordinateur. Ensuite, il a test\u00e9 si le mod\u00e8le informatique correspondait \u00e0 la r\u00e9alit\u00e9. En fait, il n&rsquo;y avait que des \u00e9carts allant jusqu&rsquo;\u00e0 5 %, ce que les chercheurs expliquent, entre autres, par la variation naturelle du bois.<\/p>\n<p class=\"bodytext\"> Les chercheurs veulent maintenant \u00e9galement d\u00e9velopper une m\u00e9thode qui peut automatiquement montrer la meilleure disposition et la meilleure forme des trous noirs acoustiques sur n&rsquo;importe quelle taille et forme de sol. Ensuite, il faut chercher des partenaires industriels. Lors des tests, l&rsquo;Empa a d\u00e9j\u00e0 coop\u00e9r\u00e9 avec l&rsquo;entreprise de construction en bois <a href=\"https:\/\/www.strueby.ch\/\" target=\"_blank\" rel=\"noopener\">Str\u00fcby AG<\/a> \u00e0 Seewen SZ.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Forschende der Empa arbeiten an einer neuen L\u00f6sung, um den Trittschall in Holzbauten zu reduzieren. Erste Experimente sind bereits erfolgreich umgesetzt werden. Bald sollen Industriepartner gesucht werden.<\/p>\n","protected":false},"author":2,"featured_media":36857,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[739,4957],"tags":[3100,11321,2339,872,3931,2002,26990,26991,26992],"class_list":["post-36861","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projects","category-region-zurich","tag-duebendorf-fr","tag-eidgenoessischen-materialpruefungs-und-forschungsanstalt-2-fr","tag-empa-fr","tag-immoinvest-fr","tag-immonews-fr","tag-news-fr","tag-seewen-sz-fr","tag-stefan-schoenwald-fr","tag-strueby-ag-fr","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":[],"lead":"Des chercheurs de l&#39;Empa travaillent sur une nouvelle solution pour r\u00e9duire les bruits de pas dans les b\u00e2timents en bois. Les premi\u00e8res exp\u00e9riences ont d\u00e9j\u00e0 \u00e9t\u00e9 mises en \u0153uvre avec succ\u00e8s. Des partenaires industriels seront bient\u00f4t recherch\u00e9s.","autor":"ssp","ort":"D\u00fcbendorf ZH ","bildunterschrift":"","zusammenfassung":"","bild_im_grid":false,"gallerie":"","newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Forschende der Empa arbeiten an einer neuen L\u00f6sung, um den Trittschall in Holzbauten zu reduzieren. Erste Experimente sind bereits erfolgreich umgesetzt werden. 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