{"id":4918,"date":"2025-12-10T08:44:48","date_gmt":"2025-12-10T08:44:48","guid":{"rendered":"https:\/\/eurohinca.com\/?p=4918"},"modified":"2026-03-12T12:08:01","modified_gmt":"2026-03-12T12:08:01","slug":"de-quelles-donnees-techniques-eurohinca-a-t-elle-besoin-pour-etudier-la-faisabilite-dune-traversee-sans-tranchee-ou-dun-microtunnel","status":"publish","type":"post","link":"https:\/\/eurohinca.com\/fr\/que-datos-tecnicos-necesita-eurohinca-para-estudiar-la-viabilidad-de-un-cruce-sin-zanja-o-un-microtunel\/","title":{"rendered":"De quelles donn\u00e9es techniques Eurohinca a-t-elle besoin pour \u00e9tudier la faisabilit\u00e9 d'une travers\u00e9e sans tranch\u00e9e ou d'un microtunnel ?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"4918\" class=\"elementor elementor-4918\" 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=\"503\" data-end=\"924\">L'\u00e9valuation d'une travers\u00e9e sans tranch\u00e9e - soit par <strong data-start=\"556\" data-end=\"570\">microtunnel<\/strong>, <strong data-start=\"572\" data-end=\"579\">DISQUE DUR<\/strong> o <strong data-start=\"582\" data-end=\"597\">Direct Pipe<\/strong>- exige un ensemble minimum de donn\u00e9es techniques afin de garantir l'efficacit\u00e9 de l'op\u00e9ration. <strong data-start=\"670\" data-end=\"722\">la faisabilit\u00e9 g\u00e9otechnique, g\u00e9om\u00e9trique et constructive<\/strong>. Eurohinca analyse chaque proposition en int\u00e9grant la g\u00e9ologie, l'hydraulique, les contraintes environnementales et les exigences op\u00e9rationnelles du client afin de d\u00e9finir la solution la plus s\u00fbre, la plus pr\u00e9cise et la plus efficace.<\/p><p data-start=\"926\" data-end=\"1039\">Afin de pr\u00e9parer une \u00e9tude pr\u00e9liminaire ou une offre technique, les informations suivantes sont essentielles :<\/p><h3 data-start=\"1041\" data-end=\"1075\"><strong data-start=\"1045\" data-end=\"1073\">1. la g\u00e9om\u00e9trie de l'agencement<\/strong><\/h3><ul data-start=\"1076\" data-end=\"1378\"><li data-start=\"1076\" data-end=\"1126\"><p data-start=\"1078\" data-end=\"1126\"><strong data-start=\"1078\" data-end=\"1097\">Plan et profil<\/strong> avec les dimensions de d\u00e9part et d'arriv\u00e9e.<\/p><\/li><li data-start=\"1127\" data-end=\"1193\"><p data-start=\"1129\" data-end=\"1193\"><strong data-start=\"1129\" data-end=\"1157\">Longueur totale de la travers\u00e9e<\/strong> et les couvertures minimales disponibles.<\/p><\/li><li data-start=\"1194\" data-end=\"1276\"><p data-start=\"1196\" data-end=\"1276\"><strong data-start=\"1196\" data-end=\"1240\">Espace pour l'attaque et la r\u00e9ception des puits<\/strong>, les zones d'acc\u00e8s et de mise en \u0153uvre.<\/p><\/li><li data-start=\"1277\" data-end=\"1378\"><p data-start=\"1279\" data-end=\"1378\">Rayons de courbure et pentes fonctionnelles requis (en particulier pour les \u00e9gouts gravitaires).<\/p><\/li><\/ul><h3 data-start=\"1380\" data-end=\"1419\"><strong data-start=\"1384\" data-end=\"1417\">2. Caract\u00e9risation g\u00e9otechnique<\/strong><\/h3><ul data-start=\"1420\" data-end=\"1781\"><li data-start=\"1420\" data-end=\"1511\"><p data-start=\"1422\" data-end=\"1511\">Forages et essais : SPT, CPT, granulom\u00e9tries, limites d'Atterberg, RQD dans le cas des roches.<\/p><\/li><li data-start=\"1512\" data-end=\"1626\"><p data-start=\"1514\" data-end=\"1626\"><strong data-start=\"1514\" data-end=\"1532\">Nappes phr\u00e9atiques<\/strong>, La pr\u00e9sence de mat\u00e9riaux granulaires susceptibles de perdre leur flottabilit\u00e9, la perm\u00e9abilit\u00e9 et la pr\u00e9sence de mat\u00e9riaux granulaires susceptibles de perdre leur flottabilit\u00e9.<\/p><\/li><li data-start=\"1627\" data-end=\"1714\"><p data-start=\"1629\" data-end=\"1714\">Identification des <strong data-start=\"1647\" data-end=\"1674\">transitions de terrain<\/strong> (mou \u2192 dur, coh\u00e9sif \u2192 granulaire).<\/p><\/li><li data-start=\"1715\" data-end=\"1781\"><p data-start=\"1717\" data-end=\"1781\">Param\u00e8tres de conception pour le type de bouclier (EPB ou hydro-bouclier).<\/p><\/li><\/ul><h3 data-start=\"1783\" data-end=\"1812\"><strong data-start=\"1787\" data-end=\"1810\">3. tuyauterie pr\u00e9vue<\/strong><\/h3><ul data-start=\"1813\" data-end=\"2045\"><li data-start=\"1813\" data-end=\"1854\"><p data-start=\"1815\" data-end=\"1854\">Diam\u00e8tre et \u00e9paisseur ext\u00e9rieurs\/int\u00e9rieurs.<\/p><\/li><li data-start=\"1855\" data-end=\"1910\"><p data-start=\"1857\" data-end=\"1910\">Mat\u00e9riau (HRPV, b\u00e9ton, fonte ductile, acier).<\/p><\/li><li data-start=\"1911\" data-end=\"1987\"><p data-start=\"1913\" data-end=\"1987\"><strong data-start=\"1913\" data-end=\"1937\">Pression de service<\/strong> et les exigences ou certifications en mati\u00e8re de scellement.<\/p><\/li><li data-start=\"1988\" data-end=\"2045\"><p data-start=\"1990\" data-end=\"2045\">Longueurs de tuyaux admissibles et tol\u00e9rances g\u00e9om\u00e9triques.<\/p><\/li><\/ul><p data-start=\"2047\" data-end=\"2350\">Une introduction d\u00e9taill\u00e9e \u00e0 ce processus est disponible \u00e0 l'adresse suivante <strong data-start=\"2110\" data-end=\"2282\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/fr\/quest-ce-que-le-foncage-de-tuyaux-et-comment-est-il-applique-dans-les-projets-souterrains\/\" target=\"_new\" rel=\"noopener\" data-start=\"2112\" data-end=\"2280\">qu'est-ce que le battage de tuyaux et comment est-il appliqu\u00e9 dans les projets souterrains ?<\/a><\/strong>, o\u00f9 sont expliqu\u00e9s les param\u00e8tres de base de la conception et de la mise en \u0153uvre.<\/p><h3 data-start=\"2352\" data-end=\"2404\"><strong data-start=\"2356\" data-end=\"2404\">4. Contraintes environnementales et servitudes<\/strong><\/h3><ul data-start=\"2405\" data-end=\"2634\"><li data-start=\"2405\" data-end=\"2503\"><p data-start=\"2407\" data-end=\"2503\">Infrastructures existantes : routes, voies ferr\u00e9es, ol\u00e9oducs, c\u00e2bles \u00e0 moyenne\/haute tension.<\/p><\/li><li data-start=\"2504\" data-end=\"2574\"><p data-start=\"2506\" data-end=\"2574\">Limitations concernant l'occupation, les conditions de circulation, l'acc\u00e8s ou les d\u00e9lais.<\/p><\/li><li data-start=\"2575\" data-end=\"2634\"><p data-start=\"2577\" data-end=\"2634\">Conditions environnementales ou maritimes dans le cas d'\u00e9missaires.<\/p><\/li><\/ul><h3 data-start=\"2636\" data-end=\"2696\"><strong data-start=\"2640\" data-end=\"2694\">5. Exigences op\u00e9rationnelles et r\u00e9glementations des clients<\/strong><\/h3><ul data-start=\"2697\" data-end=\"2928\"><li data-start=\"2697\" data-end=\"2737\"><p data-start=\"2699\" data-end=\"2737\">Normes d'utilit\u00e9 interne ou EPC.<\/p><\/li><li data-start=\"2738\" data-end=\"2804\"><p data-start=\"2740\" data-end=\"2804\">Conditions hydrauliques (Q de conception, pente, pression maximale).<\/p><\/li><li data-start=\"2805\" data-end=\"2868\"><p data-start=\"2807\" data-end=\"2868\">N\u00e9cessit\u00e9 d'une inspection CCTV ou de tests finaux sp\u00e9cifiques.<\/p><\/li><li data-start=\"2869\" data-end=\"2928\"><p data-start=\"2871\" data-end=\"2928\">Essais de charge, de fuite ou de pression diff\u00e9rentielle.<\/p><\/li><\/ul><p data-start=\"2930\" data-end=\"3358\">Lorsque l'un de ces \u00e9l\u00e9ments n'est pas d\u00e9fini, Eurohinca peut apporter son aide dans les domaines suivants <strong data-start=\"3013\" data-end=\"3042\">phase de pr\u00e9-ing\u00e9nierie<\/strong>, La section suivante donne un aper\u00e7u de ces applications, en recommandant des alternatives ou en compl\u00e9tant les informations techniques n\u00e9cessaires. Une vue d'ensemble de ces applications est disponible \u00e0 l'adresse suivante <strong data-start=\"3172\" data-end=\"3280\"><a class=\"decorated-link\" href=\"https:\/\/eurohinca.com\/fr\/applications-terrestres-souterraines\/\" target=\"_new\" rel=\"noopener\" data-start=\"3174\" data-end=\"3278\">applications terrestres et souterraines<\/a><\/strong>, avec des cas r\u00e9els de travers\u00e9es sous des routes, des services publics ou des zones portuaires.<\/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>La evaluaci\u00f3n de un cruce SIN zanja \u2014ya sea mediante microt\u00fanel, HDD o Direct Pipe\u2014 requiere un conjunto m\u00ednimo de datos t\u00e9cnicos que permitan asegurar la viabilidad geot\u00e9cnica, geom\u00e9trica y constructiva. Eurohinca analiza cada propuesta integrando geolog\u00eda, hidr\u00e1ulica, restricciones del entorno y requisitos operativos del cliente, con el objetivo de definir la soluci\u00f3n m\u00e1s segura, [&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-4918","post","type-post","status-publish","format-standard","hentry","category-preguntas-frecuentes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Datos para estudiar un cruce sin zanja o microt\u00fanel<\/title>\n<meta name=\"description\" content=\"Conoce los datos t\u00e9cnicos necesarios para estudiar la viabilidad de un cruce SIN zanja o un microt\u00fanel: geotecnia, geometr\u00eda, tuber\u00edas y servidumbres.\" \/>\n<meta name=\"robots\" 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