Method and system for encasing a pipe conduit, laid in an...

E - Fixed Constructions – 21 – D

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E21D 11/10 (2006.01) F16L 1/032 (2006.01)

Patent

CA 2378716

In order to encase large, endless pipelines (100) that have been laid in a horizontal or oblique gallery (102) with backfill concrete in a cavity-free manner, prerequisites are created during the laying of the pipeline conduit, so that backfill concrete can be introduced through the apex of the pipe into the surrounding cavity. At a subsequent point in time, the cavity is filled layer by layer. Once the last fill layer has hardened, the remaining area at the top of the gallery is evacuated and filled in sections by compression. The separation of the pipeline laying process and the pipeline embedding process into independent work cycles guarantees an uninterrupted working operation of a high quality, with economic production costs.

Pour l'enrobage exempt de cavités de grosses conduites (100) posées sans fin dans une galerie horizontale ou inclinée (102) à l'aide de béton de remplissage, des conditions sont créées, lors de la pose des conduites, pour introduire du béton de remplissage par le sommet dans l'espace vide environnant. Ultérieurement, l'espace vide est rempli couche par couche. Après durcissement de la dernière couche de remplissage, l'espace restant dans la partie supérieure est rempli par injection sous pression, tronçon par tronçon. La séparation de la pose de la conduite et de l'enrobage de ladite conduite en des cycles de travail indépendants garantit un mode de travail sans perturbations pour une haute qualité d'exécution et des coûts de fabrication économiques.

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