{"id":4406475,"date":"2026-06-02T12:26:07","date_gmt":"2026-06-02T10:26:07","guid":{"rendered":"https:\/\/www.ersigroup.com\/project\/tuneles-de-pajares\/"},"modified":"2026-06-02T12:50:17","modified_gmt":"2026-06-02T10:50:17","slug":"tunnels-de-pajares","status":"publish","type":"project","link":"https:\/\/www.ersigroup.com\/fr\/project\/tunnels-de-pajares\/","title":{"rendered":"Tunnels Pajares"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00a0\u00bb1&Prime; fullwidth=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb da_disable_devices=\u00a0\u00bboff|off|off\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb da_is_popup=\u00a0\u00bboff\u00a0\u00bb da_exit_intent=\u00a0\u00bboff\u00a0\u00bb da_has_close=\u00a0\u00bbon\u00a0\u00bb da_alt_close=\u00a0\u00bboff\u00a0\u00bb da_dark_close=\u00a0\u00bboff\u00a0\u00bb da_not_modal=\u00a0\u00bbon\u00a0\u00bb da_is_singular=\u00a0\u00bboff\u00a0\u00bb da_with_loader=\u00a0\u00bboff\u00a0\u00bb da_has_shadow=\u00a0\u00bbon\u00a0\u00bb][et_pb_fullwidth_image src=\u00a0\u00bb@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9mZWF0dXJlZF9pbWFnZSIsInNldHRpbmdzIjp7fX0=@\u00a0\u00bb title_text=\u00a0\u00bbblida_0&Prime; _builder_version=\u00a0\u00bb4.27.4&Prime; _dynamic_attributes=\u00a0\u00bbsrc\u00a0\u00bb _module_preset=\u00a0\u00bbdefault\u00a0\u00bb max_height=\u00a0\u00bb500px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_fullwidth_image][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb da_disable_devices=\u00a0\u00bboff|off|off\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb da_is_popup=\u00a0\u00bboff\u00a0\u00bb da_exit_intent=\u00a0\u00bboff\u00a0\u00bb da_has_close=\u00a0\u00bbon\u00a0\u00bb da_alt_close=\u00a0\u00bboff\u00a0\u00bb da_dark_close=\u00a0\u00bboff\u00a0\u00bb da_not_modal=\u00a0\u00bbon\u00a0\u00bb da_is_singular=\u00a0\u00bboff\u00a0\u00bb da_with_loader=\u00a0\u00bboff\u00a0\u00bb da_has_shadow=\u00a0\u00bbon\u00a0\u00bb][et_pb_row column_structure=\u00a0\u00bb3_5,2_5&Prime; _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb-300px||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb3_5&Prime; _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.5&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bbMontserrat|700||on|||||\u00a0\u00bb text_text_color=\u00a0\u00bb#111111&Prime; text_font_size=\u00a0\u00bb24px\u00a0\u00bb text_line_height=\u00a0\u00bb1.4em\u00a0\u00bb width=\u00a0\u00bb200px\u00a0\u00bb module_alignment=\u00a0\u00bbleft\u00a0\u00bb custom_margin=\u00a0\u00bb300px||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb||10px||false|false\u00a0\u00bb border_color_bottom=\u00a0\u00bb#0a626c\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.5&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p><span style=\"color: #0a626c;\"><b><span style=\"font-size: 24px;\">Tunnels de Pajares<\/span><\/b><\/span><\/p>\n<p><span style=\"color: #0a626c;\"><b><span style=\"font-size: 24px;\"><\/span><\/b><\/span><\/p>\n<p data-start=\"42\" data-end=\"630\">Les tunnels de Pajares font partie de la ligne \u00e0 grande vitesse Le\u00f3n-Asturies et constituent l&rsquo;une des infrastructures ferroviaires les plus complexes jamais r\u00e9alis\u00e9es en Espagne. D&rsquo;une longueur totale de <strong>24 648 m\u00e8tres<\/strong>, ils comptent parmi les plus longs tunnels ferroviaires d&rsquo;Europe et repr\u00e9sentent un projet strat\u00e9gique visant \u00e0 am\u00e9liorer la liaison ferroviaire entre la Meseta et la Principaut\u00e9 des Asturies. La complexit\u00e9 g\u00e9ologique et g\u00e9otechnique du massif de la Cordill\u00e8re cantabrique a fait de ce projet un d\u00e9fi majeur en mati\u00e8re de g\u00e9nie civil.<\/p>\n<p data-start=\"632\" data-end=\"1115\"><span style=\"color: #0a626c;\"><strong>ERSIGROUP<\/strong><\/span> a particip\u00e9 \u00e0 la fourniture, \u00e0 la fabrication et au montage des armatures destin\u00e9es principalement \u00e0 la fabrication de voussoirs pr\u00e9fabriqu\u00e9s pour le rev\u00eatement des tunnels. Le volume de production \u00e9lev\u00e9 requis a n\u00e9cessit\u00e9 la mise en place de processus industrialis\u00e9s reposant sur des panneaux \u00e9lectrosoud\u00e9s et des moules de montage sp\u00e9cifiques, ce qui a permis d&rsquo;optimiser les d\u00e9lais de fabrication et de garantir une grande pr\u00e9cision g\u00e9om\u00e9trique pour chaque \u00e9l\u00e9ment pr\u00e9fabriqu\u00e9<\/p>\n<p data-start=\"1117\" data-end=\"1643\">Le recours \u00e0 des syst\u00e8mes industrialis\u00e9s a permis d&rsquo;am\u00e9liorer consid\u00e9rablement la productivit\u00e9, de r\u00e9duire les risques li\u00e9s \u00e0 la fabrication traditionnelle et d&rsquo;assurer une tra\u00e7abilit\u00e9 compl\u00e8te de l&rsquo;acier ondul\u00e9 utilis\u00e9. Fort de son exp\u00e9rience dans le domaine des grandes infrastructures ferroviaires, <span style=\"color: #0a626c;\"><strong>ERSIGROUP<\/strong><\/span>\u00a0a contribu\u00e9 \u00e0 la r\u00e9alisation de l&rsquo;un des projets souterrains les plus importants d&rsquo;Europe, en fournissant des solutions adapt\u00e9es aux exigences techniques et constructives rigoureuses du chantier<\/p>\n<p data-start=\"1117\" data-end=\"1643\"><span style=\"color: #0a626c;\"><strong>FAITS MARQUANTS<\/strong><\/span><\/p>\n<p data-start=\"1117\" data-end=\"1643\"><span style=\"color: #0a626c;\"><strong><\/strong><\/span><\/p>\n<ul>\n<li data-section-id=\"yxn57n\" data-start=\"2114\" data-end=\"2152\"><strong>24 648 m\u00e8tres<\/strong> de longueur totale<\/li>\n<li data-section-id=\"yxn57n\" data-start=\"2114\" data-end=\"2152\">Parmi les <strong>cinq plus longs tunnels ferroviaires<\/strong> d&rsquo;Europe<\/li>\n<li data-section-id=\"yxn57n\" data-start=\"2114\" data-end=\"2152\">L&rsquo;un des plus grands projets ferroviaires d&rsquo;Espagne<\/li>\n<li data-section-id=\"yxn57n\" data-start=\"2114\" data-end=\"2152\">Fabrication en s\u00e9rie de <strong>voussoirs pr\u00e9fabriqu\u00e9s<\/strong> pour le rev\u00eatement des tunnels<\/li>\n<li data-section-id=\"yxn57n\" data-start=\"2114\" data-end=\"2152\">Mise en \u0153uvre de syst\u00e8mes industrialis\u00e9s \u00e0 l&rsquo;aide de <strong>panneaux \u00e9lectrosoud\u00e9s et de moules de montage<\/strong><\/li>\n<li data-section-id=\"yxn57n\" data-start=\"2114\" data-end=\"2152\">Projet de r\u00e9f\u00e9rence en ing\u00e9nierie ferroviaire et en construction souterraine<\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb2_5&Prime; 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_builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_filterable_portfolio_tags project_tag=\u00a0\u00bbespana\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.5&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb width=\u00a0\u00bb100%\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_filterable_portfolio_tags][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.27.4&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\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.5&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bbMontserrat|700||on|||||\u00a0\u00bb text_text_color=\u00a0\u00bb#111111&Prime; text_font_size=\u00a0\u00bb24px\u00a0\u00bb text_line_height=\u00a0\u00bb1.4em\u00a0\u00bb width=\u00a0\u00bb276px\u00a0\u00bb module_alignment=\u00a0\u00bbleft\u00a0\u00bb custom_padding=\u00a0\u00bb||10px||false|false\u00a0\u00bb border_width_bottom=\u00a0\u00bb3px\u00a0\u00bb border_color_bottom=\u00a0\u00bb#0a626c\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p>TRAVAUX SIMILAIRES<\/p>\n<p>[\/et_pb_text][dptm_project_titles _builder_version=\u00a0\u00bb4.27.5&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/dptm_project_titles][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tunnels de Pajares Les tunnels de Pajares font partie de la ligne \u00e0 grande vitesse Le\u00f3n-Asturies et constituent l&rsquo;une des infrastructures ferroviaires les plus complexes jamais r\u00e9alis\u00e9es en Espagne. D&rsquo;une longueur totale de 24 648 m\u00e8tres, ils comptent parmi les plus longs tunnels ferroviaires d&rsquo;Europe et repr\u00e9sentent un projet strat\u00e9gique visant \u00e0 am\u00e9liorer la liaison ferroviaire entre la Meseta et la Principaut\u00e9 des Asturies. La complexit\u00e9 g\u00e9ologique et g\u00e9otechnique du massif de la Cordill\u00e8re cantabrique a fait de ce projet un d\u00e9fi majeur en mati\u00e8re de g\u00e9nie civil. ERSIGROUP a particip\u00e9 \u00e0 la fourniture, \u00e0 la fabrication et au montage des armatures destin\u00e9es principalement \u00e0 la fabrication de voussoirs pr\u00e9fabriqu\u00e9s pour le rev\u00eatement des tunnels. Le volume de production \u00e9lev\u00e9 requis a n\u00e9cessit\u00e9 la mise en place de processus industrialis\u00e9s reposant sur des panneaux \u00e9lectrosoud\u00e9s et des moules de montage sp\u00e9cifiques, ce qui a permis d&rsquo;optimiser les d\u00e9lais de fabrication et de garantir une grande pr\u00e9cision g\u00e9om\u00e9trique pour chaque \u00e9l\u00e9ment pr\u00e9fabriqu\u00e9 Le recours \u00e0 des syst\u00e8mes industrialis\u00e9s a permis d&rsquo;am\u00e9liorer consid\u00e9rablement la productivit\u00e9, de r\u00e9duire les risques li\u00e9s \u00e0 la fabrication traditionnelle et d&rsquo;assurer une tra\u00e7abilit\u00e9 compl\u00e8te de l&rsquo;acier ondul\u00e9 utilis\u00e9. Fort de son exp\u00e9rience dans le domaine des grandes [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":4406476,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"project_category":[70,118],"project_tag":[153],"class_list":["post-4406475","project","type-project","status-publish","has-post-thumbnail","hentry","project_category-oeuvre-civile","project_category-tunnels","project_tag-espana"],"_links":{"self":[{"href":"https:\/\/www.ersigroup.com\/fr\/wp-json\/wp\/v2\/project\/4406475","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ersigroup.com\/fr\/wp-json\/wp\/v2\/project"}],"about":[{"href":"https:\/\/www.ersigroup.com\/fr\/wp-json\/wp\/v2\/types\/project"}],"author":[{"embeddable":true,"href":"https:\/\/www.ersigroup.com\/fr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ersigroup.com\/fr\/wp-json\/wp\/v2\/comments?post=4406475"}],"version-history":[{"count":7,"href":"https:\/\/www.ersigroup.com\/fr\/wp-json\/wp\/v2\/project\/4406475\/revisions"}],"predecessor-version":[{"id":4406497,"href":"https:\/\/www.ersigroup.com\/fr\/wp-json\/wp\/v2\/project\/4406475\/revisions\/4406497"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ersigroup.com\/fr\/wp-json\/wp\/v2\/media\/4406476"}],"wp:attachment":[{"href":"https:\/\/www.ersigroup.com\/fr\/wp-json\/wp\/v2\/media?parent=4406475"}],"wp:term":[{"taxonomy":"project_category","embeddable":true,"href":"https:\/\/www.ersigroup.com\/fr\/wp-json\/wp\/v2\/project_category?post=4406475"},{"taxonomy":"project_tag","embeddable":true,"href":"https:\/\/www.ersigroup.com\/fr\/wp-json\/wp\/v2\/project_tag?post=4406475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}