{"id":12345,"date":"2024-03-20T14:05:34","date_gmt":"2024-03-20T14:05:34","guid":{"rendered":"https:\/\/www.systra.com\/ibt\/news\/le-plus-long-pont-de-lile-maurice-est-signe-systra\/"},"modified":"2026-07-23T23:40:45","modified_gmt":"2026-07-23T23:40:45","slug":"le-plus-long-pont-de-lile-maurice-est-signe-systra","status":"publish","type":"post","link":"https:\/\/www.systra.com\/ibt\/fr\/news\/le-plus-long-pont-de-lile-maurice-est-signe-systra\/","title":{"rendered":"Le plus long pont de l’\u00eele Maurice est sign\u00e9 SYSTRA"},"content":{"rendered":"\n
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C\u2019est un nouveau colosse de b\u00e9ton qui surplombe la vall\u00e9e de Grand-Rivi\u00e8re-Nord-Ouest, en p\u00e9riph\u00e9rie de Port-Louis, la capitale de Maurice. Ce pont, unique en son genre dans cette partie de l\u2019oc\u00e9an Indien, c\u2019est le pont<\/a> \u00ab SAJ \u00bb de l\u2019autoroute A1-M1 con\u00e7u par SYSTRA. Il relie les communes de Sor\u00e8ze et Coromandel afin de fluidifier le trafic routier entre le centre et l\u2019ouest du pays, et de renforcer les \u00e9changes entre la capitale et sa p\u00e9riph\u00e9rie.<\/p>\n\n\n\n

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Nos \u00e9quipes ont effectu\u00e9 l\u2019ensemble des \u00e9tudes, de la conception structurelle d\u00e9taill\u00e9e jusqu\u2019aux essais, en passant par toutes les \u00e9tapes, notamment les \u00e9tudes de drainage, les plans de construction et de protection contre la foudre.<\/p>\n\n\n\n

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Le pont SAJ surplombe la vall\u00e9e pour relier les deux rives<\/figcaption><\/figure>\n<\/div>\n\n\n
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Nous sommes ravis que le pont soit officiellement inaugur\u00e9 par les autorit\u00e9s mauriciennes. C\u2019est l\u2019aboutissement de cinq ann\u00e9es de travail pour nos \u00e9quipes de design, et pr\u00e8s d\u2019une d\u00e9cennie de mission pour les \u00e9quipes du projet, depuis la phase d\u2019\u00e9tudes pr\u00e9liminaires. D\u00e9but f\u00e9vrier, nous avons conclu avec succ\u00e8s l\u2019ultime \u00e9tape du projet avec les essais de chargement du pont. Je voudrais remercier chaleureusement toutes les personnes qui ont contribu\u00e9 \u00e0 ce projet extraordinaire.<\/p>\nSanad Shamsan, directeur de projet, SYSTRA IBT<\/cite><\/blockquote>\n<\/div><\/div>\n\n\n\n

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Un pont embl\u00e9matique<\/h3>\n\n\n\n
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Visuellement, l\u2019architecture de ce pont de 330 m\u00e8tres a \u00e9t\u00e9 pens\u00e9e pour en faire un des ouvrages embl\u00e9matiques du pays. Et techniquement, le choix du pont extradoss\u00e9 soutenu par des haubans permet d\u2019assurer une stabilit\u00e9 structurelle optimale et une r\u00e9partition des charges \u00e9quilibr\u00e9e.<\/p>\n\n\n\n

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Le principal d\u00e9fi technique \u00e9tait la construction du tablier, compos\u00e9 d\u2019une unique poutre-caisson. Coul\u00e9 sur place par encorbellements successifs, ce tablier est r\u00e9alis\u00e9 avec des fl\u00e9aux** dissym\u00e9triques et construit gr\u00e2ce \u00e0 des haubans temporaires additionnels, con\u00e7us pour supporter la surlongueur des trav\u00e9es de rive. Avec seulement 2 pyl\u00f4nes, le pont relie les deux falaises tout en minimisant son impact sur l\u2019environnement.<\/p>\n\n\n\n

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\u00c0 l\u2019\u00e9preuve des vents cycloniques<\/h3>\n\n\n\n
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Compte tenu de sa situation g\u00e9ographique, le pont A1-M1 devra aussi r\u00e9sister au climat \u00e9olien local. Une \u00e9tude d\u00e9taill\u00e9e du climat \u00e9olien sur le site du projet a donc \u00e9t\u00e9 r\u00e9alis\u00e9e en amont afin d\u2019anticiper l\u2019impact des cyclones et de pouvoir \u00e9valuer les efforts de vent turbulent sur la structure.<\/p>\n\n\n\n

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*Le nom de Sir Anerood Jugnauth est celui d\u2019un ancien Premier ministre et ex-pr\u00e9sident de la R\u00e9publique de Maurice.<\/p>\n\n\n\n

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**Les fl\u00e9aux sont les portions de tablier construites par l\u2019assemblage des voussoirs par encorbellement successif. Ils n\u00e9cessitent des c\u00e2bles de fl\u00e9aux pour assurer la stabilit\u00e9. L\u2019op\u00e9ration de jonction des deux fl\u00e9aux d\u2019un tablier s\u2019appelle clavage.<\/p>\n\n\n\n

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NOS SOLUTIONS : GRANDS OUVRAGES<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

C\u2019est un nouveau colosse de b\u00e9ton qui surplombe la vall\u00e9e de Grand-Rivi\u00e8re-Nord-Ouest, en p\u00e9riph\u00e9rie de Port-Louis, la capitale de Maurice. Ce pont, unique en son genre dans cette partie de l\u2019oc\u00e9an Indien, c\u2019est le pont \u00ab SAJ \u00bb de l\u2019autoroute A1-M1 con\u00e7u par SYSTRA. Il relie les communes de Sor\u00e8ze et Coromandel afin de fluidifier […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[61],"tags":[],"class_list":["post-12345","post","type-post","status-publish","format-standard","hentry","category-non-classe-fr"],"acf":[],"yoast_head":"\nLe plus long pont de l’\u00eele Maurice est sign\u00e9 SYSTRA - SYSTRA IBT<\/title>\n<meta name=\"description\" content=\"Le plus long pont de l’\u00eele Maurice est sign\u00e9 SYSTRA - 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