{"id":4042,"date":"2025-06-16T07:34:51","date_gmt":"2025-06-16T07:34:51","guid":{"rendered":"https:\/\/eurohinca.com\/?p=4042"},"modified":"2025-06-16T07:35:15","modified_gmt":"2025-06-16T07:35:15","slug":"comment-mettre-en-oeuvre-un-projet-de-deversoir-de-barrage-a-laide-de-tunneliers-tbm","status":"publish","type":"post","link":"https:\/\/eurohinca.com\/fr\/como-se-ejecuta-un-proyecto-de-desague-de-presas-mediante-tuneladoras\/","title":{"rendered":"Comment un projet d'\u00e9vacuateur de crue de barrage est-il mis en \u0153uvre \u00e0 l'aide de tunneliers ?"},"content":{"rendered":"
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\ud83c\udfde\ufe0f Qu'est-ce qu'un drain \u00e0 seuil et pourquoi le microtunnelage est-il utilis\u00e9 ?<\/h2>

Les drains de fond des barrages permettent de contr\u00f4ler le niveau du r\u00e9servoir, d'assurer la maintenance ou la vidange d'urgence, et de garantir la stabilit\u00e9 de l'infrastructure. La technologie sans tranch\u00e9e, comme le microtunnelage, permet de creuser avec des mat\u00e9riaux de haute qualit\u00e9. la pr\u00e9cision du point de vue de l'utilisateur<\/strong> dans des conditions de pression hydrostatique \u00e9lev\u00e9e.<\/p>

\ud83d\udd27 Phases cl\u00e9s de l'ex\u00e9cution du TBM<\/h2>

  1. \u00c9tude g\u00e9otechnique du sol<\/strong>
    Les conditions hydrog\u00e9ologiques, la pression de l'eau et la coh\u00e9sion du sol sont \u00e9valu\u00e9es.<\/p><\/li>

  2. Conception technique et ing\u00e9nierie de l'am\u00e9nagement<\/strong>
    Le tunnel est con\u00e7u en fonction du d\u00e9bit requis, des mat\u00e9riaux des conduits et de la profondeur.<\/p><\/li>

  3. Pr\u00e9paration des puits d'attaque et de sortie<\/strong>
    Des chambres s\u00e9curis\u00e9es sont construites pour lancer et r\u00e9cup\u00e9rer le tunnelier avec un minimum de perturbations.<\/p><\/li>

  4. Excavation avec un tunnelier \u00e0 bouclier ferm\u00e9 ou un tunnelier \u00e0 bouclier hydraulique<\/strong>
    Le forage est r\u00e9alis\u00e9 avec une pression contr\u00f4l\u00e9e, \u00e9vitant les infiltrations et les effondrements.<\/p><\/li>

  5. Installation du conduit de drainage<\/strong>
    Les tuyaux en acier ou en GRC sont pos\u00e9s avec des joints \u00e9tanches pour r\u00e9sister aux pressions extr\u00eames.<\/p><\/li>

  6. Essais hydrauliques et \u00e9tanch\u00e9it\u00e9 structurelle<\/strong>
    Des tests d'\u00e9coulement, de pression et d'\u00e9tanch\u00e9it\u00e9 sont effectu\u00e9s avant la mise en service.<\/p><\/li><\/ol>

    \ud83d\udee0\ufe0f Technologie sp\u00e9cialis\u00e9e et r\u00e9glementation applicable<\/h2>

    Eurohinca emploie tunneliers pressuris\u00e9s, syst\u00e8mes de guidage laser, Boucliers EPB<\/a> o boucliers hydrauliques<\/a><\/strong> et des protocoles de s\u00e9curit\u00e9 certifi\u00e9s (ISO 9001, 45001).<\/p>

    En savoir plus sur notre r\u00e9seaux d'adduction d'eau avec microtunnelier<\/a><\/strong>.<\/p>

    Voir aussi le Guide technique du CEDEX sur les barrages pour les r\u00e9glementations nationales<\/a><\/strong>.<\/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":"

    \ud83c\udfde\ufe0f \u00bfQu\u00e9 es un desag\u00fce de presa y por qu\u00e9 se usa microtunneling? Los desag\u00fces de fondo en presas permiten controlar el nivel del embalse, realizar vaciados de mantenimiento o emergencia, y garantizar la estabilidad de la infraestructura. La tecnolog\u00eda sin zanja como el microtunneling permite excavar con precisi\u00f3n milim\u00e9trica en condiciones de alta presi\u00f3n […]<\/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-4042","post","type-post","status-publish","format-standard","hentry","category-preguntas-frecuentes"],"yoast_head":"\nDesag\u00fce de presas con tuneladora: ejecuci\u00f3n paso a paso<\/title>\n<meta name=\"description\" content=\"Descubre c\u00f3mo se ejecuta un proyecto de desag\u00fce de presas mediante tuneladoras: fases t\u00e9cnicas, equipos, sellado y control del caudal con microtunneling.\" \/>\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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