{"id":15196,"date":"2019-04-23T12:18:45","date_gmt":"2019-04-23T10:18:45","guid":{"rendered":"https:\/\/www.soletanche-bachy.com\/?p=15196"},"modified":"2023-03-10T12:28:28","modified_gmt":"2023-03-10T11:28:28","slug":"colombie-barrage-dituango","status":"publish","type":"post","link":"https:\/\/www.soletanche-bachy.com\/colombie-barrage-dituango\/","title":{"rendered":"Colombie : Barrage d\u2019Ituango"},"content":{"rendered":"

23\/04\/2019<\/p>\n<\/div>

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Colombie : Barrage d\u2019Ituango<\/h1><\/div>
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Une fois achev\u00e9 en 2019, Ituango sera le barrage hydro\u00e9lectrique le plus grand de Colombie. Il permettra de couvrir 17% des besoins du pays.<\/strong><\/p>\n<\/div>

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Suite \u00e0 l\u2019obstruction des tunnels de d\u00e9viation du fleuve Cauca la situation a \u00e9t\u00e9 d\u00e9clar\u00e9e critique et l\u2019\u00e9tat d\u2019urgence d\u00e9clar\u00e9. Ces obstructions ont provoqu\u00e9 un remplissage non pr\u00e9vu, rapide et incontr\u00f4lable du barrage, et ont engendr\u00e9 un certain nombre de probl\u00e8mes techniques et environnementaux qui ont endommag\u00e9 sa structure. Une rehausse d\u2019urgence a \u00e9t\u00e9 mise en \u0153uvre pour \u00e9viter la submersion du barrage et contr\u00f4ler le flux du fleuve.<\/p>\n

Afin de consolider d\u00e9finitivement la rehausse d\u2019urgence, les \u00e9quipes de Soletanche Bachy Cimas<\/a> et GEO sont \u00e0 pied d\u2019\u0153uvre depuis d\u00e9but septembre 2018, pour r\u00e9aliser une paroi \u00e9tanche de 38 m de profondeur sur plus de 500 m de long, soit une excavation de pr\u00e8s de 23 000 m3<\/sup>. La paroi d\u2019\u00e9tanch\u00e9it\u00e9 de 22\u00a0000 m2<\/sup>\u00a0vient d\u2019\u00eatre achev\u00e9e avec succ\u00e8s dans un d\u00e9lai imparti tr\u00e8s serr\u00e9, n\u00e9cessitant un travail des \u00e9quipes 24h sur 24, 7 jours sur 7. S\u2019en est suivi le traitement des rives du barrage\u00a0: perforation, consolidation et injection<\/a> via l\u2019utilisation de techniques encore inutilis\u00e9es dans le pays, ou de proc\u00e9d\u00e9s plus connus tel quel le Hi\u2019Drill\u00ae ou le logiciel SPICE. Dans les prochains jours, devrait s\u2019achever le dernier d\u00e9fi relev\u00e9 par les \u00e9quipes du chantier\u00a0: la rehausse finale du barrage \u00e0 sa taille d\u00e9finitive.<\/p>\n

Ce chantier aura \u00e9t\u00e9 l\u2019\u0153uvre d\u2019une collaboration entre les filiales locales, les filiales des pays avoisinants en termes de ressources humaines et techniques, et la participation du laboratoire mat\u00e9riaux du Groupe. Cette mobilisation a \u00e9t\u00e9 appr\u00e9ci\u00e9e par le client, ce qui d\u00e9bouchera peut-\u00eatre sur de nouveaux projets.<\/p>\n<\/div>

\"R\u00e9paration<\/span><\/div>
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