{"id":22611,"date":"2025-09-03T14:47:23","date_gmt":"2025-09-03T12:47:23","guid":{"rendered":"https:\/\/www.gurit.com\/expo-bridge-lisbonne-portugal\/"},"modified":"2026-04-26T15:41:45","modified_gmt":"2026-04-26T13:41:45","slug":"expo-bridge-lisbonne-portugal","status":"publish","type":"post","link":"https:\/\/www.gurit.com\/fr\/expo-bridge-lisbonne-portugal\/","title":{"rendered":"<br>EXPO Bridge, Lisbonne, Portugal"},"content":{"rendered":"\n[et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row column_structure=\u00a0\u00bb1_2,1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.4&Prime; header_2_font=\u00a0\u00bb|||on|||||\u00a0\u00bb header_2_text_align=\u00a0\u00bbleft\u00a0\u00bb header_4_font=\u00a0\u00bb||||||||\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb|||8px|false|false\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; border_radii=\u00a0\u00bboff||||\u00a0\u00bb border_width_left=\u00a0\u00bb4px\u00a0\u00bb border_color_left=\u00a0\u00bb#46BFDE\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<h4><span>\u00c9tude de cas<\/span><\/h4>[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.19.3&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<p class=\"p2\">Gurit a con\u00e7u une trav\u00e9e de passerelle en composite pour l&rsquo;installation \u00e0 Lisbonne pour l&rsquo;EXPO de 1998. Deux des ponts enjambent des routes et le troisi\u00e8me traverse une ligne de chemin de fer. La conception a \u00e9t\u00e9 r\u00e9alis\u00e9e conform\u00e9ment aux codes portugais, y compris les cas de charge sismique.  <\/p>\n<p class=\"p3\">Les trav\u00e9es du pont au-dessus de la route \u00e9taient soutenues par des colonnes m\u00e9talliques avec des escaliers m\u00e9talliques. Le tablier et le soffite de la trav\u00e9e du pont ont \u00e9t\u00e9 construits en composites moul\u00e9s avec un m\u00e9lange de carbone et de renfort en verre. Des sections de carbone ont form\u00e9 les \u00e2mes de cisaillement, ce qui a donn\u00e9 une structure l\u00e9g\u00e8re et a\u00e9r\u00e9e. Le pont r\u00e9sultant avait une masse de 6,2 tonnes pour une port\u00e9e libre de 30 m\u00e8tres.   <span class=\"Apple-converted-space\"> <\/span><\/p>\n<p class=\"p2\">Cela a permis une installation rapide, la route n&rsquo;ayant \u00e9t\u00e9 ferm\u00e9e que pendant 30 minutes, le temps que la trav\u00e9e soit mise en place. En outre, le poids l\u00e9ger du pont a minimis\u00e9 les fondations n\u00e9cessaires, ce qui a permis d&rsquo;\u00e9viter de perturber les services qui passent sous la chauss\u00e9e. <\/p>\n<p class=\"p3\">La structure en PRFV du pont n&rsquo;a fait l&rsquo;objet que d&rsquo;un entretien minimal et un examen de la structure apr\u00e8s 12 ans a montr\u00e9 que la structure en PRFV \u00e9tait en bon \u00e9tat, bien qu&rsquo;assez sale. La structure m\u00e9tallique de soutien et les escaliers commen\u00e7aient \u00e0 pr\u00e9senter une corrosion importante. <\/p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/www.gurit.com\/wp-content\/uploads\/2022\/12\/Expo-Bridge2x.jpg\u00a0\u00bb title_text=\u00a0\u00bbExpo Bridge2x\u00a0\u00bb force_fullwidth=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.3&Prime; custom_margin=\u00a0\u00bb||0px||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.3&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<a href=\"https:\/\/www.gurit.com\/wp-content\/uploads\/2022\/12\/Expo-Bridgeguritproject.pdf\" class=\"downloadicon\" download=\"\">T\u00e9l\u00e9charger le PDF<\/a>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n","protected":false},"excerpt":{"rendered":"<p>Gurit a \u00e9t\u00e9 charg\u00e9 de r\u00e9aliser l&rsquo;ing\u00e9nierie structurelle composite de ce sloop r\u00e9volutionnaire de 60 pieds, qui int\u00e8gre la technologie brevet\u00e9e Canting Ballast Twin Foil (CBTF) et utilise le carbone pr\u00e9-impr\u00e9gn\u00e9 SE 84 de Gurit.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[85,93],"tags":[],"class_list":["post-22611","post","type-post","status-publish","format-standard","hentry","category-etude-de-cas","category-etude-de-cas-structures-civiles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v27.8) - 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