{"id":4675,"date":"2025-09-09T09:22:28","date_gmt":"2025-09-09T07:22:28","guid":{"rendered":"https:\/\/lightspanetfe.com\/referenz\/afrykarium\/"},"modified":"2026-10-07T14:45:19","modified_gmt":"2026-10-07T12:45:19","slug":"afrykarium","status":"publish","type":"referenz","link":"https:\/\/lightspanetfe.com\/fr\/referenz\/afrykarium\/","title":{"rendered":"Afrykarium"},"content":{"rendered":"

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<\/div>\n <\/div>\n <\/div>\n\n [\/vc_column][\/vc_row][\/vc_section][vc_section][vc_row row_title=\u00a0\u00bbInnovations in Ozeanarium architecture\u00a0\u00bb][vc_column width=\u00a0\u00bb1\/2″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

Coussins en film ETFE : le syst\u00e8me de toiture Texlon\u00ae ETFE de l\u2019Afrykarium<\/h1>\n

Coussins en film ETFE : de quoi s\u2019agit-il ?<\/h2>\n

Les coussins en film ETFE sont des \u00e9l\u00e9ments de construction l\u00e9gers compos\u00e9s de couches de film ETFE scell\u00e9es sur les bords et stabilis\u00e9es par de l\u2019air \u00e0 basse pression. Ce syst\u00e8me cr\u00e9e une enveloppe de b\u00e2timent l\u00e9g\u00e8re et transparente qui permet de b\u00e9n\u00e9ficier de la lumi\u00e8re du jour, de performances thermiques et de grandes port\u00e9es sans obstacles. \u00c0 l\u2019Afrykarium de Wroc\u0142aw, une toiture en coussins Texlon\u00ae ETFE de 4 000 m\u00b2 constitue un \u00e9l\u00e9ment cl\u00e9 de l\u2019architecture de l\u2019oc\u00e9anarium. <\/p>\n

Coussins ETFE et enveloppes de b\u00e2timent transparentes<\/h3>\n

Le rev\u00eatement en ETFE, transparent aux UV, permet \u00e0 la lumi\u00e8re naturelle du soleil de p\u00e9n\u00e9trer dans le b\u00e2timent, favorisant ainsi l\u2019environnement int\u00e9rieur et la croissance de plus de 1 000 esp\u00e8ces v\u00e9g\u00e9tales. La toiture comprend \u00e9galement une section mobile qui permet une ventilation et une circulation d\u2019air contr\u00f4l\u00e9es, contribuant \u00e0 cr\u00e9er des conditions adapt\u00e9es aux visiteurs, aux plantes et aux animaux. <\/p>\n

\u00c0 quoi servent les coussins en film ETFE ?<\/h4>\n

Les coussins en film ETFE sont utilis\u00e9s pour les toitures et les fa\u00e7ades o\u00f9 la l\u00e9g\u00e8ret\u00e9, la transparence et les grandes port\u00e9es sont essentielles. Leur construction pneumatique permet aux coussins de rester stables tout en utilisant nettement moins de mat\u00e9riaux structurels que de nombreux syst\u00e8mes vitr\u00e9s conventionnels.<\/p>\n

[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/2″][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

Coussins en film ETFE : comment soutiennent-ils l\u2019Afrykarium ?<\/h2>\n

Coussins de toiture en ETFE pour les environnements zoologiques et botaniques<\/h3>\n

L\u2019Afrykarium de Wroc\u0142aw est d\u00e9di\u00e9 aux \u00e9cosyst\u00e8mes africains et abrite des esp\u00e8ces telles que des poissons, des hippopotames, des otaries \u00e0 fourrure d\u2019Afrique et des lamantins. Sa toiture transparente permet de relier l\u2019environnement int\u00e9rieur \u00e0 la lumi\u00e8re naturelle du jour tout en permettant \u00e0 l\u2019enveloppe du b\u00e2timent de r\u00e9pondre aux exigences de ventilation et de climatisation. <\/p>\n

L\u2019Afrykarium est un b\u00e2timent de trois \u00e9tages mesurant environ 160 m\u00e8tres de long et 54 m\u00e8tres de large, avec une toiture s\u2019\u00e9levant \u00e0 plus de 43 m\u00e8tres. La toiture utilise de grandes port\u00e9es sans colonnes de support suppl\u00e9mentaires, offrant aux visiteurs des vues d\u00e9gag\u00e9es sur l\u2019ensemble de l\u2019oc\u00e9anarium. <\/p>\n

Coussins en film ETFE : pourquoi conviennent-ils aux toitures \u00e0 grande port\u00e9e ?<\/h2>\n

Coussins pneumatiques en ETFE et efficacit\u00e9 structurelle<\/h3>\n

La toiture combine des coussins en ETFE avec une structure en bois compos\u00e9e de poutres en lamell\u00e9-coll\u00e9. Cette approche pr\u00e9serve la l\u00e9g\u00e8ret\u00e9 visuelle de la toiture tout en fournissant le cadre structurel requis pour une conception \u00e0 grande port\u00e9e. <\/p>\n

La documentation technique de Vector Foiltec explique comment les syst\u00e8mes Texlon\u00ae ETFE peuvent utiliser plusieurs couches de film, les coussins \u00e9tant stabilis\u00e9s par de l\u2019air \u00e0 basse pression. Le nombre et la disposition des couches peuvent \u00eatre choisis en fonction des exigences structurelles et de la physique du b\u00e2timent. <\/p>\n

Coussins en film ETFE : comment ont-ils \u00e9t\u00e9 install\u00e9s ?<\/h2>\n

Installation de toiture en film ETFE et coordination de projet<\/h3>\n

L\u2019\u00e9quipe de Lightspan a con\u00e7u et install\u00e9 le syst\u00e8me de toiture Texlon\u00ae ETFE en coop\u00e9ration avec l\u2019entrepreneur g\u00e9n\u00e9ral PB Inter-System SA et l\u2019\u00e9quipe d\u2019installation Montask. Une coordination \u00e9troite des exigences techniques et des calendriers d\u2019installation a \u00e9t\u00e9 d\u00e9terminante pour la livraison du syst\u00e8me de toiture et son int\u00e9gration dans la structure globale du b\u00e2timent. <\/p>\n

Coussins en film ETFE pour la lumi\u00e8re naturelle et la ventilation<\/h3>\n

Le projet Afrykarium d\u00e9montre comment les coussins en ETFE peuvent combiner transmission de la lumi\u00e8re du jour, grandes port\u00e9es et ventilation contr\u00f4l\u00e9e au sein d\u2019un syst\u00e8me de toiture unique. Il demeure un exemple concret d\u2019architecture en ETFE appliqu\u00e9e \u00e0 un environnement complexe pour les plantes, les animaux et les visiteurs.[\/vc_column_text][\/vc_column][\/vc_row][\/vc_section][vc_row][vc_column][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n

L\u2019Afrykarium de Wroc\u0142aw utilise une toiture de 4 000 m\u00b2 en coussins de film Texlon\u00ae ETFE. Les coussins en ETFE sont constitu\u00e9s de couches de film ETFE support\u00e9es par air et sont adapt\u00e9s aux toitures l\u00e9g\u00e8res et transparentes \u00e0 grande port\u00e9e. \u00c0 l\u2019Afrykarium, la toiture transparente aux UV apporte la lumi\u00e8re naturelle du jour dans l\u2019oc\u00e9anarium, tandis qu\u2019une section de toit mobile permet une ventilation contr\u00f4l\u00e9e. Le syst\u00e8me est int\u00e9gr\u00e9 \u00e0 une structure en bois lamell\u00e9-coll\u00e9 pour cr\u00e9er des vues int\u00e9rieures sans obstacles. <\/h6>\n

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