{"id":3003,"date":"2019-12-16T10:24:10","date_gmt":"2019-12-16T09:24:10","guid":{"rendered":"https:\/\/dbvib-ingenierie.com\/?p=3003"},"modified":"2023-10-03T10:38:17","modified_gmt":"2023-10-03T08:38:17","slug":"salle-acoustique-le-mans-metropole","status":"publish","type":"post","link":"https:\/\/dbvib-ingenierie.com\/salle-acoustique-le-mans-metropole\/","title":{"rendered":"Salle Acoustique le Mans M\u00e9tropole"},"content":{"rendered":"<h2>Salle Acoustique &#8211; le Mans M\u00e9tropole<\/h2>\n<p><a href=\"https:\/\/dbvib-ingenierie.com\/\">dB Vib Ing\u00e9nierie<\/a> a r\u00e9cemment achev\u00e9 la conception et la construction d&#8217;une salle d&#8217;essais acoustiques au centre du p\u00f4le PEHT (P\u00e9pini\u00e8res d\u2019Entreprises de Haute Technologie) dans le cadre du <a href=\"https:\/\/actu.fr\/pays-de-la-loire\/le-mans_72181\/le-mans-le-projet-de-technocampus-acoustique-verra-le-jour-en-octobre-2022_39938240.html\">projet Technocampus<\/a> de l&#8217;Universit\u00e9 du Mans.<br \/>\nCette salle\u00a0an\u00e9cho\u00efque, install\u00e9e par les \u00e9quipes de dB\u00a0Vib\u00a0Ing\u00e9nierie, est destin\u00e9e aux activit\u00e9s de Recherche &amp; D\u00e9veloppement et d\u2019enseignement de l&#8217;acoustique et des vibrations pour les acteurs universitaires et industriels.<br \/>\nL\u2019objectif du projet \u00e9tait d\u2019int\u00e9grer une salle trait\u00e9e acoustiquement et d\u00e9coupl\u00e9e du sol dans une zone de bureaux occup\u00e9e par le laboratoire VALEO\u00a0VA-LAB\u00a0(Vibro-Acoustic\u00a0Lab).<br \/>\nDimension de la salle :<\/p>\n<ul>\n<li>Ext\u00e9rieurs 3400mm x 3100mm x 2800mm (L x l x h) \u00e0 Surface au sol : 10.5 m\u00b2<\/li>\n<li>Int\u00e9rieures utiles 2540mm x 2240mm x 2200mm (L x l x h) \u00e0 Volume utile : 12.5 m3, Surface sol utile : 5.6 m<\/li>\n<\/ul>\n<p>Performances\u00a0vibro-acoustiques\u00a0:<\/p>\n<ul>\n<li>\u00a0Niveau de bruit de fond au centre de la salle &lt; 20 dBA, porte ferm\u00e9e, sur la bande de fr\u00e9quence utile (125Hz \u2013 20 KHz)<\/li>\n<li>\u00a0Temps de r\u00e9verb\u00e9ration &lt; 200 ms sur la gamme fr\u00e9quence [125 ; 20kHz]<\/li>\n<li>\u00a0D\u00e9couplage vibratoire avec 90% d\u2019isolement \u00e0 partir de 125 Hz<\/li>\n<\/ul>\n<p>dB\u00a0Vib\u00a0a alors\u00a0r\u00e9alis\u00e9\u00a0une salle en ossature acier\u00a0d\u00e9coupl\u00e9e\u00a0du sol par bande de\u00a0Sylomer\u00a0et habill\u00e9 de panneaux EKOMODULE 47 \u00e0 fort isolement\u00a0acoustiques\u00a0et des blocs de di\u00e8dres en mousse de polyur\u00e9thane pour l\u2019absorption acoustique en int\u00e9rieur.\u00a0Une porte\u00a0PIL\u00a045 \u00e0\u00a0double\u00a0vantaux permet l\u2019acc\u00e8s \u00e0 la salle pour les utilisateurs et les sp\u00e9cimens de grandes dimensions.<br \/>\nCette conception r\u00e9pondait aux performances acoustiques attendues et \u00e0 l\u2019exigence de\u00a0d\u00e9montabilit\u00e9\u00a0de la salle sans d\u00e9t\u00e9rioration des performances acoustiques et vibratoires.<\/p>\n<p>Ensuite, dB\u00a0Vib\u00a0a r\u00e9alis\u00e9 toutes les servitudes de la salle :\u00a0\u00e9lectricit\u00e9 de puissance, \u00e9lectricit\u00e9 de mesurage, \u00e9clairage, ventilation, dispositifs de s\u00e9curit\u00e9, en prenant soin de :<\/p>\n<ul>\n<li>D\u00e9porter \u00e0 l\u2019ext\u00e9rieur de la salle tous les composants non-n\u00e9cessaires aux essais et pouvant g\u00e9n\u00e9rer du bruit, en assurant leur d\u00e9couplage solidien de la structure de la salle,<\/li>\n<li>Isoler acoustiquement toutes les travers\u00e9es de parois<\/li>\n<li>Dissocier les passages de c\u00e2bles \u00e9lectriques des c\u00e2bles d\u2019instrumentation pour \u00e9viter tout ph\u00e9nom\u00e8ne de parasite des \u00e9clairages Led ont \u00e9t\u00e9 install\u00e9s avec d\u00e9port des transformateurs \u00e0 l\u2019ext\u00e9rieur de la salle afin de r\u00e9duire les nuisances acoustiques.Une VMC silencieuse a \u00e9t\u00e9 install\u00e9e dans la salle. Les entr\u00e9es et sorties d\u2019air ont \u00e9t\u00e9 insonoris\u00e9es gr\u00e2ce \u00e0 des chicanes acoustiques (t\u00f4les + laine) positionn\u00e9es \u00e0 l\u2019ext\u00e9rieur de la salle. De plus, la vitesse de passage dans les conduits a \u00e9t\u00e9 limit\u00e9e en dessous de 2.5 m\/s afin d\u2019\u00e9viter toute r\u00e9g\u00e9n\u00e9ration de bruit. Les entr\u00e9es et sortie ont \u00e9t\u00e9 positionn\u00e9es dans deux angles oppos\u00e9s sur des sections longues et fines afin d\u2019avoir un flux laminaire.<\/li>\n<\/ul>\n<p>Pour r\u00e9pondre \u00e0 l\u2019exigence de supports en plafond pour la suspension des sp\u00e9cimens, mentionn\u00e9e au cahier des charges, dB\u00a0Vib\u00a0a install\u00e9 3 tubes acier en plafond traversant la salle.<\/p>\n<p>dB\u00a0Vib\u00a0a r\u00e9alis\u00e9 l\u2019installation compl\u00e8te de la salle et de ses servitudes en seulement 6 semaines et avec une contrainte de manutention importante compte tenu de l\u2019espace r\u00e9serv\u00e9 au chantier.<\/p>\n<p>Une fois l\u2019installation termin\u00e9e dB\u00a0Vib\u00a0a r\u00e9alis\u00e9, a, les mesures de r\u00e9ception de la salle.\u00a0Les mesures r\u00e9alis\u00e9es satisfont aux performances attendues.<\/p>\n<figure id=\"attachment_3004\" aria-describedby=\"caption-attachment-3004\" style=\"width: 340px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-3004\" src=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/Vue-int\u00e9rieur-salle.png\" alt=\"Salle Acoustique le Mans M\u00e9tropole\" width=\"340\" height=\"256\" srcset=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/Vue-int\u00e9rieur-salle.png 703w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/Vue-int\u00e9rieur-salle-300x225.png 300w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/Vue-int\u00e9rieur-salle-440x330.png 440w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/Vue-int\u00e9rieur-salle-200x150.png 200w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/Vue-int\u00e9rieur-salle-315x237.png 315w\" sizes=\"(max-width: 340px) 100vw, 340px\" \/><figcaption id=\"caption-attachment-3004\" class=\"wp-caption-text\">Vue de l&#8217;int\u00e9rieur de la salle<\/figcaption><\/figure>\n<figure id=\"attachment_3006\" aria-describedby=\"caption-attachment-3006\" style=\"width: 342px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-3006\" src=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/WhatsApp-Image-2019-11-07-at-16.02.33-1024x768.jpeg\" alt=\"Salle Acoustique le Mans M\u00e9tropole\" width=\"342\" height=\"257\" srcset=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/WhatsApp-Image-2019-11-07-at-16.02.33-1024x768.jpeg 1024w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/WhatsApp-Image-2019-11-07-at-16.02.33-300x225.jpeg 300w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/WhatsApp-Image-2019-11-07-at-16.02.33-768x576.jpeg 768w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/WhatsApp-Image-2019-11-07-at-16.02.33-900x675.jpeg 900w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/WhatsApp-Image-2019-11-07-at-16.02.33-440x330.jpeg 440w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/WhatsApp-Image-2019-11-07-at-16.02.33-200x150.jpeg 200w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/WhatsApp-Image-2019-11-07-at-16.02.33-315x236.jpeg 315w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/WhatsApp-Image-2019-11-07-at-16.02.33.jpeg 1599w\" sizes=\"(max-width: 342px) 100vw, 342px\" \/><figcaption id=\"caption-attachment-3006\" class=\"wp-caption-text\">Vue de l&#8217;int\u00e9rieur de la salle<\/figcaption><\/figure>\n<figure id=\"attachment_3008\" aria-describedby=\"caption-attachment-3008\" style=\"width: 341px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-3008\" src=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02194-1024x768.jpg\" alt=\"Salle Acoustique le Mans M\u00e9tropole\" width=\"341\" height=\"256\" srcset=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02194-1024x768.jpg 1024w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02194-300x225.jpg 300w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02194-768x576.jpg 768w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02194-1920x1440.jpg 1920w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02194-900x675.jpg 900w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02194-440x330.jpg 440w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02194-200x150.jpg 200w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02194-315x236.jpg 315w\" sizes=\"(max-width: 341px) 100vw, 341px\" \/><figcaption id=\"caption-attachment-3008\" class=\"wp-caption-text\">Vue du plafond \u00e0 l&#8217;int\u00e9rieur de la salle<\/figcaption><\/figure>\n<figure id=\"attachment_3010\" aria-describedby=\"caption-attachment-3010\" style=\"width: 342px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-3010\" src=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02223-768x1024.jpg\" alt=\"Salle Acoustique le Mans M\u00e9tropole\" width=\"342\" height=\"456\" srcset=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02223-768x1024.jpg 768w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02223-225x300.jpg 225w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02223-1920x2560.jpg 1920w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02223-900x1200.jpg 900w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02223-440x587.jpg 440w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02223-200x267.jpg 200w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02223-315x420.jpg 315w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02223.jpg 1944w\" sizes=\"(max-width: 342px) 100vw, 342px\" \/><figcaption id=\"caption-attachment-3010\" class=\"wp-caption-text\">Vue de l&#8217;ext\u00e9rieur de la salle (entr\u00e9e)<\/figcaption><\/figure>\n<figure id=\"attachment_3012\" aria-describedby=\"caption-attachment-3012\" style=\"width: 345px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-3012\" src=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02208.jpg\" alt=\"Salle Acoustique le Mans M\u00e9tropole\" width=\"345\" height=\"342\" srcset=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02208.jpg 973w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02208-150x150.jpg 150w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02208-300x297.jpg 300w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02208-768x761.jpg 768w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02208-900x892.jpg 900w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02208-440x436.jpg 440w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02208-200x198.jpg 200w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02208-315x312.jpg 315w\" sizes=\"(max-width: 345px) 100vw, 345px\" \/><figcaption id=\"caption-attachment-3012\" class=\"wp-caption-text\">servitudes \u00e9lectriques et s\u00e9curit\u00e9<\/figcaption><\/figure>\n<figure id=\"attachment_3014\" aria-describedby=\"caption-attachment-3014\" style=\"width: 349px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-3014\" src=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02196-1020x1024.jpg\" alt=\"Salle Acoustique le Mans M\u00e9tropole\" width=\"349\" height=\"350\" srcset=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02196-1020x1024.jpg 1020w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02196-150x150.jpg 150w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02196-300x300.jpg 300w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02196-768x771.jpg 768w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02196-900x904.jpg 900w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02196-440x442.jpg 440w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02196-200x201.jpg 200w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02196-315x316.jpg 315w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02196.jpg 1501w\" sizes=\"(max-width: 349px) 100vw, 349px\" \/><figcaption id=\"caption-attachment-3014\" class=\"wp-caption-text\">servitudes pour les mesurages<\/figcaption><\/figure>\n<figure id=\"attachment_3018\" aria-describedby=\"caption-attachment-3018\" style=\"width: 348px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-3018\" src=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02210-726x1024.jpg\" alt=\"Salle Acoustique le Mans M\u00e9tropole\" width=\"348\" height=\"491\" srcset=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02210-726x1024.jpg 726w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02210-213x300.jpg 213w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02210-768x1083.jpg 768w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02210-900x1269.jpg 900w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02210-440x621.jpg 440w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02210-200x282.jpg 200w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02210-315x444.jpg 315w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02210.jpg 1011w\" sizes=\"(max-width: 348px) 100vw, 348px\" \/><figcaption id=\"caption-attachment-3018\" class=\"wp-caption-text\">Ventilation<\/figcaption><\/figure>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-3022\" src=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02211-1024x834.jpg\" alt=\"Ventilation\" width=\"348\" height=\"284\" srcset=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02211-1024x834.jpg 1024w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02211-300x244.jpg 300w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02211-768x625.jpg 768w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02211-900x733.jpg 900w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02211-440x358.jpg 440w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02211-200x163.jpg 200w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02211-315x256.jpg 315w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02211.jpg 1437w\" sizes=\"(max-width: 348px) 100vw, 348px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-3020\" src=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02204-831x1024.jpg\" alt=\"Photo mousse\" width=\"349\" height=\"430\" srcset=\"https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02204-831x1024.jpg 831w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02204-243x300.jpg 243w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02204-768x947.jpg 768w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02204-900x1109.jpg 900w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02204-440x542.jpg 440w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02204-200x247.jpg 200w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02204-315x388.jpg 315w, https:\/\/dbvib-ingenierie.com\/uploads\/sites\/2\/2019\/12\/DSC02204.jpg 1199w\" sizes=\"(max-width: 349px) 100vw, 349px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Salle Acoustique &#8211; le Mans M\u00e9tropole dB Vib Ing\u00e9nierie a r\u00e9cemment achev\u00e9 la conception et la construction d&#8217;une salle d&#8217;essais acoustiques au centre du p\u00f4le PEHT (P\u00e9pini\u00e8res d\u2019Entreprises de Haute Technologie) dans le cadre du projet Technocampus de l&#8217;Universit\u00e9 du Mans. Cette salle\u00a0an\u00e9cho\u00efque, install\u00e9e par les \u00e9quipes de dB\u00a0Vib\u00a0Ing\u00e9nierie, est destin\u00e9e aux activit\u00e9s de Recherche [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":3004,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Salle Acoustique le Mans M\u00e9tropole - dB Vib Ing\u00e9nierie<\/title>\n<meta name=\"description\" content=\"dB\u00a0Vib\u00a0Ing\u00e9nierie a r\u00e9cemment achev\u00e9 la conception et la construction d&#039;une salle acoustique (d&#039;essais) au centre du p\u00f4le\u00a0PEHT\u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dbvib-ingenierie.com\/salle-acoustique-le-mans-metropole\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Salle Acoustique le Mans M\u00e9tropole - 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