{"id":4726,"date":"2025-11-04T10:19:16","date_gmt":"2025-11-04T10:19:16","guid":{"rendered":"https:\/\/eurohinca.com\/?p=4726"},"modified":"2026-05-13T10:37:41","modified_gmt":"2026-05-13T10:37:41","slug":"comment-planifier-un-emissaire-sous-marin-depuis-la-terre-ferme","status":"publish","type":"post","link":"https:\/\/eurohinca.com\/fr\/como-planificar-un-emisario-submarino-desde-tierra\/","title":{"rendered":"Comment planifier un \u00e9missaire sous-marin \u00e0 partir de la terre : bathym\u00e9trie, fen\u00eatre environnementale et r\u00e9ception en mer ?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"4726\" class=\"elementor elementor-4726\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d6327ef e-flex e-con-boxed e-con e-parent\" data-id=\"d6327ef\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0d3dfe2 elementor-widget elementor-widget-text-editor\" data-id=\"0d3dfe2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"112\" data-end=\"739\">Un \u00e9missaire ex\u00e9cut\u00e9 \u00e0 partir des moissonneuses-batteuses <strong data-start=\"171\" data-end=\"197\">Microtunnel\/Tube direct<\/strong> au littoral et \u00e0 la <strong data-start=\"227\" data-end=\"251\">r\u00e9ception <em data-start=\"239\" data-end=\"249\">offshore<\/em><\/strong> par barge ou plate-forme. Le succ\u00e8s d\u00e9pend d'une <strong data-start=\"307\" data-end=\"336\">bathym\u00e9trie et oc\u00e9anographie<\/strong> fiable, d'une <strong data-start=\"353\" data-end=\"374\">fen\u00eatre environnementale<\/strong> (mar\u00e9es, houle, turbidit\u00e9, faune) et d'un r\u00e9alisme <strong data-start=\"427\" data-end=\"451\">r\u00e9ception contr\u00f4l\u00e9e<\/strong> (batardeau\/bo\u00eete, <em data-start=\"470\" data-end=\"489\">pull-back\/pull-in<\/em> et v\u00e9rification ROV). Pour la partie terrestre et sous-marine, consultez nos services de <strong data-start=\"580\" data-end=\"654\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/fr\/emissaires-sous-marins\/\" target=\"_new\" rel=\"noopener\" data-start=\"582\" data-end=\"652\">\u00c9missaires sous-marins<\/a><\/strong> y <strong data-start=\"657\" data-end=\"738\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/fr\/eperonnage-de-tuyaux-2\/\" target=\"_new\" rel=\"noopener\" data-start=\"659\" data-end=\"736\">Pipe jacking (microtunnelage)<\/a><\/strong>.<\/p><h2 data-start=\"746\" data-end=\"812\">(1) Bathym\u00e9trie et conditions oc\u00e9anographiques (ligne de base)<\/h2><ul data-start=\"813\" data-end=\"1240\"><li data-start=\"813\" data-end=\"942\"><p data-start=\"815\" data-end=\"942\"><strong data-start=\"815\" data-end=\"843\">Enqu\u00eate int\u00e9gr\u00e9e :<\/strong> multifaisceaux, profils de plage et <strong data-start=\"874\" data-end=\"892\">littoral<\/strong>, plus <strong data-start=\"898\" data-end=\"939\">les courants, les mar\u00e9es, les vagues et la turbidit\u00e9<\/strong>.<\/p><\/li><li data-start=\"943\" data-end=\"1100\"><p data-start=\"945\" data-end=\"1100\"><strong data-start=\"945\" data-end=\"979\">Mod\u00e8les op\u00e9rationnels maritimes :<\/strong> les hauteurs de vagues op\u00e9rationnelles, <em data-start=\"1006\" data-end=\"1023\">fen\u00eatres \u00e9tanches<\/em> par station, les p\u00e9riodes de retour pour le levage et l'amarrage et les limites de turbidit\u00e9.<\/p><\/li><li data-start=\"1101\" data-end=\"1240\"><p data-start=\"1103\" data-end=\"1240\"><strong data-start=\"1103\" data-end=\"1134\">Interactions avec l'arri\u00e8re-plan :<\/strong> s\u00e9diments mobiles, risques de <strong data-start=\"1166\" data-end=\"1180\">miner<\/strong> et la protection du diffuseur (enroulement, ballasts, etc.), <em data-start=\"1226\" data-end=\"1238\">matelas<\/em>).<\/p><\/li><\/ul><p data-start=\"1242\" data-end=\"1406\"><strong data-start=\"1242\" data-end=\"1271\">Cl\u00e9s de conception initiales :<\/strong> position de la <strong data-start=\"1285\" data-end=\"1303\">arbre d'attaque<\/strong> (\u00e0 l'abri de la houle), la trajectoire sous la plage, l'\u00e9l\u00e9vation du lit final et les longueurs de <strong data-start=\"1392\" data-end=\"1405\">tirer vers l'arri\u00e8re<\/strong>.<\/p><h2 data-start=\"1413\" data-end=\"1449\">2) Fen\u00eatre environnementale et permis<\/h2><ul data-start=\"1450\" data-end=\"1835\"><li data-start=\"1450\" data-end=\"1580\"><p data-start=\"1452\" data-end=\"1580\"><strong data-start=\"1452\" data-end=\"1482\">Restrictions environnementales :<\/strong> p\u00e9riodes de <strong data-start=\"1495\" data-end=\"1512\">interdiction des animaux sauvages<\/strong>, limites de <strong data-start=\"1525\" data-end=\"1537\">turbidit\u00e9<\/strong>, le trafic portuaire et les zones prot\u00e9g\u00e9es.<\/p><\/li><li data-start=\"1581\" data-end=\"1711\"><p data-start=\"1583\" data-end=\"1711\"><strong data-start=\"1583\" data-end=\"1606\">Plan d'att\u00e9nuation :<\/strong> rideaux de turbidit\u00e9, suivi du panache, protocoles d'arr\u00eat (<em data-start=\"1673\" data-end=\"1685\">arr\u00eater les r\u00e8gles<\/em>), la surveillance de l'environnement.<\/p><\/li><li data-start=\"1712\" data-end=\"1835\"><p data-start=\"1714\" data-end=\"1835\"><strong data-start=\"1714\" data-end=\"1747\">Coordination avec les autorit\u00e9s :<\/strong> capitainerie\/port, environnement, c\u00f4te et municipalit\u00e9s (occupation du domaine public).<\/p><\/li><\/ul><h2 data-start=\"1842\" data-end=\"1894\">3) Conception et m\u00e9thode de construction<\/h2><ul data-start=\"1895\" data-end=\"2445\"><li data-start=\"1895\" data-end=\"2173\"><p data-start=\"1897\" data-end=\"1937\"><strong data-start=\"1897\" data-end=\"1935\">S\u00e9lection de la m\u00e9thode \u00e0 terre :<\/strong><\/p><ul data-start=\"1940\" data-end=\"2173\"><li data-start=\"1940\" data-end=\"2059\"><p data-start=\"1942\" data-end=\"2059\"><strong data-start=\"1942\" data-end=\"1956\">Microtunnel<\/strong> (EPB\/hydroshield) si n\u00e9cessaire <strong data-start=\"1987\" data-end=\"2005\">\u00e9l\u00e9vation\/pente<\/strong> des sols pr\u00e9cis et satur\u00e9s et une empreinte minimale sur la plage.<\/p><\/li><li data-start=\"2062\" data-end=\"2173\"><p data-start=\"2064\" data-end=\"2173\"><strong data-start=\"2064\" data-end=\"2079\">Direct Pipe<\/strong> pour les travers\u00e9es courtes\/moyennes sous les cours d'eau\/plages avec <strong data-start=\"2128\" data-end=\"2147\">pouss\u00e9e continue<\/strong> et une grande \u00e9tanch\u00e9it\u00e9.<\/p><\/li><\/ul><\/li><li data-start=\"2174\" data-end=\"2320\"><p data-start=\"2176\" data-end=\"2320\"><strong data-start=\"2176\" data-end=\"2202\">G\u00e9om\u00e9trie recommand\u00e9e :<\/strong> la partie rectiligne sous la plage, <strong data-start=\"2227\" data-end=\"2241\">Soft Rmin<\/strong>, couverture suffisante ; r\u00e9ception en <strong data-start=\"2280\" data-end=\"2299\">tiroir\/coffre<\/strong> ou foss\u00e9 prot\u00e9g\u00e9.<\/p><\/li><li data-start=\"2321\" data-end=\"2445\"><p data-start=\"2323\" data-end=\"2445\"><strong data-start=\"2323\" data-end=\"2361\">Compatibilit\u00e9 avec la tuyauterie marine :<\/strong> les mat\u00e9riaux, <strong data-start=\"2374\" data-end=\"2380\">DN<\/strong>, les rev\u00eatements, les bardages, les cols et les <strong data-start=\"2411\" data-end=\"2424\">diffuseurs<\/strong> (buses\/arbres).<\/p><\/li><\/ul><h2 data-start=\"2452\" data-end=\"2503\">4) R\u00e9ception <em data-start=\"2470\" data-end=\"2480\">offshore<\/em> (s\u00e9curis\u00e9 et v\u00e9rifiable)<\/h2><ul data-start=\"2504\" data-end=\"2894\"><li data-start=\"2504\" data-end=\"2618\"><p data-start=\"2506\" data-end=\"2618\"><strong data-start=\"2506\" data-end=\"2536\">Dispositifs d'accueil :<\/strong> <strong data-start=\"2537\" data-end=\"2550\">batardeau<\/strong> pr\u00e9fabriqu\u00e9s, en bo\u00eete ouverte ou <strong data-start=\"2582\" data-end=\"2591\">foss\u00e9<\/strong> avec une protection temporaire.<\/p><\/li><li data-start=\"2619\" data-end=\"2758\"><p data-start=\"2621\" data-end=\"2758\"><strong data-start=\"2621\" data-end=\"2644\">Op\u00e9ration maritime :<\/strong> <em data-start=\"2645\" data-end=\"2668\"><strong data-start=\"2646\" data-end=\"2667\">pull-in\/pull-back<\/strong><\/em> avec guidage, \u00e9quipement d'amarrage, contr\u00f4le de la tension et communication entre la barge et le rivage.<\/p><\/li><li data-start=\"2759\" data-end=\"2894\"><p data-start=\"2761\" data-end=\"2894\"><strong data-start=\"2761\" data-end=\"2778\">V\u00e9rification :<\/strong> <strong data-start=\"2779\" data-end=\"2792\">ROV\/sonar<\/strong> pour v\u00e9rifier la sortie, la hauteur de l'embouchure et l'alignement ; les tests d'\u00e9tanch\u00e9it\u00e9 et les contr\u00f4les de l'eau. <strong data-start=\"2869\" data-end=\"2881\">tel que construit<\/strong> la bathym\u00e9trie.<\/p><\/li><\/ul><h2 data-start=\"2901\" data-end=\"2939\">5) Matrice de planification rapide<\/h2><div class=\"_tableContainer_1rjym_1\"><div class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"><table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2941\" data-end=\"3553\"><thead data-start=\"2941\" data-end=\"2986\"><tr data-start=\"2941\" data-end=\"2986\"><th data-start=\"2941\" data-end=\"2948\" data-col-size=\"sm\">Phase<\/th><th data-start=\"2948\" data-end=\"2967\" data-col-size=\"sm\">D\u00e9cisions cl\u00e9s<\/th><th data-start=\"2967\" data-end=\"2986\" data-col-size=\"sm\">Sorties minimales<\/th><\/tr><\/thead><tbody data-start=\"3001\" data-end=\"3553\"><tr data-start=\"3001\" data-end=\"3102\"><td data-start=\"3001\" data-end=\"3020\" data-col-size=\"sm\">\u00c9tudes pr\u00e9c\u00e9dentes<\/td><td data-start=\"3020\" data-end=\"3063\" data-col-size=\"sm\">Bathym\u00e9trie, courants, houle, turbidit\u00e9<\/td><td data-start=\"3063\" data-end=\"3102\" data-col-size=\"sm\">Mod\u00e8le op\u00e9rationnel, <em data-start=\"3083\" data-end=\"3100\">fen\u00eatres \u00e9tanches<\/em><\/td><\/tr><tr data-start=\"3103\" data-end=\"3196\"><td data-start=\"3103\" data-end=\"3113\" data-col-size=\"sm\">Mise en page<\/td><td data-start=\"3113\" data-end=\"3154\" data-col-size=\"sm\">Puits, \u00e9l\u00e9vation et longueur sous la plage, Rmin<\/td><td data-start=\"3154\" data-end=\"3196\" data-col-size=\"sm\">Profil longitudinal et plan approuv\u00e9s<\/td><\/tr><tr data-start=\"3197\" data-end=\"3276\"><td data-start=\"3197\" data-end=\"3206\" data-col-size=\"sm\">M\u00e9thode<\/td><td data-start=\"3206\" data-end=\"3234\" data-col-size=\"sm\">Microtunnel vs Direct Pipe<\/td><td data-start=\"3234\" data-end=\"3276\" data-col-size=\"sm\">Courbe de pression, pouss\u00e9e, logistique<\/td><\/tr><tr data-start=\"3277\" data-end=\"3373\"><td data-start=\"3277\" data-end=\"3300\" data-col-size=\"sm\">R\u00e9ception <em data-start=\"3289\" data-end=\"3299\">offshore<\/em><\/td><td data-start=\"3300\" data-end=\"3336\" data-col-size=\"sm\">Batardeau\/tranch\u00e9e, barge, mouillages<\/td><td data-start=\"3336\" data-end=\"3373\" data-col-size=\"sm\">Plan d'ancrage, de levage et de s\u00e9curit\u00e9<\/td><\/tr><tr data-start=\"3374\" data-end=\"3468\"><td data-start=\"3374\" data-end=\"3391\" data-col-size=\"sm\">Environnement<\/td><td data-start=\"3391\" data-end=\"3431\" data-col-size=\"sm\">Limite de turbidit\u00e9, fermetures, surveillance<\/td><td data-start=\"3431\" data-end=\"3468\" data-col-size=\"sm\">Plan d'att\u00e9nuation + <em data-start=\"3454\" data-end=\"3466\">arr\u00eater les r\u00e8gles<\/em><\/td><\/tr><tr data-start=\"3469\" data-end=\"3553\"><td data-start=\"3469\" data-end=\"3477\" data-col-size=\"sm\">AQ\/CQ<\/td><td data-start=\"3477\" data-end=\"3512\" data-col-size=\"sm\">Tol\u00e9rances, essais, <em data-start=\"3501\" data-end=\"3511\">tel que construit<\/em><\/td><td data-start=\"3512\" data-end=\"3553\" data-col-size=\"sm\">Dossier de qualit\u00e9 et bathym\u00e9trie finale<\/td><\/tr><\/tbody><\/table><\/div><\/div><h2 data-start=\"3560\" data-end=\"3599\">6) Trois sc\u00e9narios repr\u00e9sentatifs<\/h2><ol data-start=\"3600\" data-end=\"4095\"><li data-start=\"3600\" data-end=\"3782\"><p data-start=\"3603\" data-end=\"3782\"><strong data-start=\"3603\" data-end=\"3645\">Plage expos\u00e9e, sable fin, haut NF :<\/strong> microtunnel hydro blind\u00e9, bien en dehors de la zone de d\u00e9ferlement, r\u00e9ception en <strong data-start=\"3713\" data-end=\"3726\">batardeau<\/strong>; fen\u00eatres maritimes \u00e0 faible consommation d'\u00e9nergie pour le levage et la fermeture.<\/p><\/li><li data-start=\"3783\" data-end=\"3926\"><p data-start=\"3786\" data-end=\"3926\"><strong data-start=\"3786\" data-end=\"3821\">Baie abrit\u00e9e, graviers propres :<\/strong> Tube direct avec lit contr\u00f4l\u00e9 et <strong data-start=\"3856\" data-end=\"3869\">tirer vers l'arri\u00e8re<\/strong> \u00e0 la barge ; protection du diffuseur par un enroulement l\u00e9ger.<\/p><\/li><li data-start=\"3927\" data-end=\"4095\"><p data-start=\"3930\" data-end=\"4095\"><strong data-start=\"3930\" data-end=\"3966\">Zone portuaire, trafic intense :<\/strong> Microtunneling de l'EPB, coordination avec la capitainerie et la direction de l'EPB. <strong data-start=\"4012\" data-end=\"4038\">courte fen\u00eatre nocturne<\/strong>; v\u00e9rification <strong data-start=\"4053\" data-end=\"4060\">ROV<\/strong> et l'ouverture progressive du diffuseur.<\/p><\/li><\/ol><h2 data-start=\"4102\" data-end=\"4133\">7) Contr\u00f4le et documentation<\/h2><ul data-start=\"4134\" data-end=\"4384\"><li data-start=\"4134\" data-end=\"4265\"><p data-start=\"4136\" data-end=\"4265\"><strong data-start=\"4136\" data-end=\"4159\">Param\u00e8tres sur site :<\/strong> pressions frontales, pouss\u00e9e\/couple, \u00e9quilibre de la terre, <strong data-start=\"4217\" data-end=\"4244\">turbidit\u00e9 en temps r\u00e9el<\/strong>, et la topographie\/ROV.<\/p><\/li><li data-start=\"4266\" data-end=\"4384\"><p data-start=\"4268\" data-end=\"4384\"><strong data-start=\"4268\" data-end=\"4284\">Produits livrables :<\/strong> <em data-start=\"4285\" data-end=\"4295\">tel que construit<\/em> terrestres et <strong data-start=\"4308\" data-end=\"4331\">bathym\u00e9trie post-op\u00e9rationnelle<\/strong>, Les produits de l'entreprise ont fait l'objet d'essais d'\u00e9tanch\u00e9it\u00e9, de tests d'\u00e9tanch\u00e9it\u00e9 et de certificats environnementaux.<\/p><\/li><\/ul><h2 data-start=\"4391\" data-end=\"4436\">8) Que faut-il envoyer pour un plan ferm\u00e9 (RFQ) ?<\/h2><ul data-start=\"4437\" data-end=\"4705\"><li data-start=\"4437\" data-end=\"4546\"><p data-start=\"4439\" data-end=\"4546\"><strong data-start=\"4439\" data-end=\"4453\">Bathym\u00e9trie<\/strong> y <strong data-start=\"4456\" data-end=\"4475\">mod\u00e8le m\u00e9toc\u00e9anique<\/strong> (vagues\/courants\/mar\u00e9es), <strong data-start=\"4504\" data-end=\"4512\">DN\/L<\/strong>, profil et <strong data-start=\"4523\" data-end=\"4534\">diffuseur<\/strong> envisag\u00e9e.<\/p><\/li><li data-start=\"4547\" data-end=\"4632\"><p data-start=\"4549\" data-end=\"4632\"><strong data-start=\"4549\" data-end=\"4562\">G\u00e9otechnique<\/strong> onshore (forages, perm\u00e9abilit\u00e9, NF) et les contraintes environnementales.<\/p><\/li><li data-start=\"4633\" data-end=\"4705\"><p data-start=\"4635\" data-end=\"4705\">Exigences en mati\u00e8re de permis, navigation et <strong data-start=\"4672\" data-end=\"4695\">fen\u00eatres d'exploitation<\/strong> objectif.<\/p><\/li><\/ul><p data-start=\"4707\" data-end=\"5096\">Si vous souhaitez que nous indiquions le <strong data-start=\"4737\" data-end=\"4769\">plan de r\u00e9ception <em data-start=\"4757\" data-end=\"4767\">offshore<\/em><\/strong> et la courbe d'exploitation \u00e0 partir du sol, notre \u00e9quipe de <strong data-start=\"4826\" data-end=\"4922\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/fr\/assistance-technique-et-ingenierie\/\" target=\"_new\" rel=\"noopener\" data-start=\"4828\" data-end=\"4920\">Assistance technique et ing\u00e9nierie<\/a><\/strong> vous pouvez le pr\u00e9parer avec vos sondages, bathym\u00e9trie et <em data-start=\"4970\" data-end=\"4987\">fen\u00eatres \u00e9tanches<\/em>; pour commencer, <strong data-start=\"5003\" data-end=\"5068\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/fr\/demande-doffre\/\" target=\"_new\" rel=\"noopener\" data-start=\"5005\" data-end=\"5066\">demander une offre<\/a><\/strong> en joignant ces informations.<\/p><p data-start=\"5098\" data-end=\"5368\"><strong data-start=\"5098\" data-end=\"5135\">\u00c9largir les crit\u00e8res pratiques :<\/strong> il est utile d'\u00e9tablir un contraste avec la <a href=\"https:\/\/www.pianc.org\/publication\/dredging-management-practices-for-the-environment-a-structured-selection-approach\/\"><strong data-start=\"5168\" data-end=\"5186\">Guides de l'AIPCN<\/strong><\/a> pour les op\u00e9rations maritimes et avec la <a href=\"https:\/\/unece.org\/fileadmin\/DAM\/env\/water\/meetings\/TFIR\/background%20documents\/UNEP%20guidelines%20sewage%20treatment.pdf\"><strong data-start=\"5224\" data-end=\"5248\">Lignes directrices du PNUE\/PAM<\/strong><\/a> sur la conception des \u00e9missaires et le contr\u00f4le environnemental, en abordant les fen\u00eatres de travail, la turbidit\u00e9 et la protection des fonds marins.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Un emisario ejecutado desde tierra combina microt\u00fanel\/Direct Pipe hasta la l\u00ednea de costa y la recepci\u00f3n offshore mediante barcaza o plataforma. El \u00e9xito depende de una batimetr\u00eda y oceanograf\u00eda fiables, de una ventana ambiental realista (mareas, oleaje, turbidez, fauna) y de una recepci\u00f3n controlada (cofferdam\/caj\u00f3n, pull-back\/pull-in y verificaci\u00f3n ROV). Para el tramo terrestre y bajo [&hellip;]<\/p>\n","protected":false},"author":80,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[146],"tags":[],"class_list":["post-4726","post","type-post","status-publish","format-standard","hentry","category-preguntas-frecuentes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Planificar un emisario submarino: claves t\u00e9cnicas<\/title>\n<meta name=\"description\" content=\"Gu\u00eda para planificar un emisario submarino desde tierra: viabilidad, geotecnia, trazado, permisos, microt\u00fanel y control de riesgos.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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