{"id":81137,"date":"2011-03-24T00:00:00","date_gmt":"2011-03-23T23:00:00","guid":{"rendered":"http:\/\/b.bati-journal.com\/passerelle-verre-et-acier-exceptionnelle\/81137"},"modified":"2019-07-15T11:29:32","modified_gmt":"2019-07-15T09:29:32","slug":"passerelle-verre-et-acier-exceptionnelle","status":"publish","type":"post","link":"https:\/\/batijournal.com\/index.php\/passerelle-verre-et-acier-exceptionnelle\/81137\/","title":{"rendered":"Passerelle verre et acier exceptionnelle"},"content":{"rendered":"<p><span class=\"lettrine\">L<\/span>e Centre de Recherche Biom\u00e9dicale de la fondation Champalimaud r\u00e9cemment inaugur\u00e9 \u00e0 Lisbonne, Portugal, se distingue par une passerelle l\u00e9g\u00e8re en verre et acier reliant ses deux b\u00e2timents. L\u2019enveloppe de verre qui ceint cette \u00e9l\u00e9gante passerelle est constitu\u00e9e de panneaux de verre feuillet\u00e9 cintr\u00e9s produits avec l\u2019intercalaire DuPont SentryGlas. Ce dernier a \u00e9t\u00e9 sp\u00e9cifi\u00e9 par les ing\u00e9nieurs structurels Schlaich Bergermann und Partner et le sp\u00e9cialiste Bellapart \u2013 choix dict\u00e9 par une fl\u00e8che moins importante et un meilleur comportement apr\u00e8s rupture qu\u2019avec un feuillet\u00e9 produit avec un intercalaire PVB. Autre atout non n\u00e9gligeable pour cet \u00e9difice proche de la mer\u00a0: les excellentes durabilit\u00e9 et r\u00e9sistance aux intemp\u00e9ries des feuillet\u00e9s produits avec SentryGlas.\u000bCon\u00e7u par le cabinet Charles Correa Associates de Mumbai, Inde, le \u00ab\u00a0Centre Champalimaud pour l\u2019Inconnu\u00a0\u00bb se compose de deux b\u00e2timents \u00e9rig\u00e9s sur une vaste aire publique, regroupant des unit\u00e9s de soins, des laboratoires de recherche, un auditorium et un espace d\u2019exposition, ainsi que les propres bureaux de la fondation Champalimaud. Ces deux b\u00e2timents sont reli\u00e9s par une passerelle en verre et acier longue de 21 m\u00e8tres, con\u00e7ue par Schlaich Bergermann und Partner de Stuttgart (Allemagne), le Professeur Schneider de l\u2019universit\u00e9 technique de Darmstadt (Allemagne) et Bellapart, d\u2019Olot en Espagne. Cette enveloppe circulaire en verre est constitu\u00e9e de panneaux de verre feuillet\u00e9 de 1,95 x 1,32 m, produits par le lamineur espagnol Cricursa selon une construction relativement l\u00e9g\u00e8re compos\u00e9e d\u2019un intercalaire SentryGlas de 2,28 mm entre deux plaques de verre tremp\u00e9 HST de 8 mm chacune. Les panneaux sont maintenus \u00e0 chaque angle par des pattes de fixation sp\u00e9cialement con\u00e7ues par Bellapart, et soutenus par des colliers en acier verticaux qui s\u2019\u00e9chelonnent tous les deux m\u00e8tres sur toute la longueur de l\u2019enveloppe. Selon les calculs effectu\u00e9s par Schlaich Bergermann und Partner en partenariat avec le Professeur Schneider de l\u2019universit\u00e9 technique de Darmstadt, pour obtenir une fl\u00e8che comparable avec des panneaux de m\u00eame dimension mais contenant un intercalaire PVB, il aurait fallu utiliser des plaques de verre \u00e9paisses de 12 mm chacune au lieu de 8 mm. Non seulement l\u2019installation s\u2019en serait trouv\u00e9e consid\u00e9rablement alourdie, d\u2019o\u00f9 la n\u00e9cessit\u00e9 d\u2019une structure de soutien plus importante, mais il aurait \u00e9galement \u00e9t\u00e9 difficile d\u2019obtenir le rayon de courbure requis.\u000b\u000b<a href=\"http:\/\/www.dupont.com\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-family: Arial, Helvetica, sans-serif; font-size: small;\">www.dupont.com<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le Centre de Recherche Biom\u00e9dicale de la fondation Champalimaud r\u00e9cemment inaugur\u00e9 \u00e0 Lisbonne, Portugal, se distingue par une passerelle l\u00e9g\u00e8re en verre et acier reliant ses deux b\u00e2timents. L\u2019enveloppe de verre qui ceint cette \u00e9l\u00e9gante passerelle est constitu\u00e9e de panneaux de verre feuillet\u00e9 cintr\u00e9s produits avec l\u2019intercalaire DuPont SentryGlas. Ce dernier a \u00e9t\u00e9 sp\u00e9cifi\u00e9 par [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":81138,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[6340],"tags":[],"class_list":["post-81137","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-architecture-conception"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Passerelle verre et acier exceptionnelle<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/batijournal.com\/index.php\/passerelle-verre-et-acier-exceptionnelle\/81137\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Passerelle verre et acier exceptionnelle\" \/>\n<meta property=\"og:description\" content=\"Le Centre de Recherche Biom\u00e9dicale de la fondation Champalimaud r\u00e9cemment inaugur\u00e9 \u00e0 Lisbonne, Portugal, se distingue par une passerelle l\u00e9g\u00e8re en verre et acier reliant ses deux b\u00e2timents. L\u2019enveloppe de verre qui ceint cette \u00e9l\u00e9gante passerelle est constitu\u00e9e de panneaux de verre feuillet\u00e9 cintr\u00e9s produits avec l\u2019intercalaire DuPont SentryGlas. 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