E - Fixed Constructions – 21 – D
Patent
E - Fixed Constructions
21
D
E21D 20/02 (2006.01)
Patent
CA 2572930
The present invention relates to an arrangement and to a method for injecting and affixing a reinforcing and/or anchoring element in a rock wall. The arrangement includes means (15; 65) for connection to a reinforcing and/or anchoring element (2; 62), an injection pipe (9) which is connected to the coupling means at a front end facing inwardly in the hole and which includes means (7) for connection to means for supplying injection medium (8). The arrangement also includes a check valve (10) for co-action with the injection medium, and an expandable seal (10; 50; 60). The arrangement is designed as a separate unit that can be loosened from the reinforcing and/or anchoring element upon completion of the injection phase. The method comprises corresponding process steps.
La présente invention concerne un agencement et un procédé d'injection et de fixation d'un élément de renfort et/ou d'ancrage dans une paroi rocheuse. Cet agencement comprend un organe (15, 65) permettant de connecter un élément de renfort et/ou d'ancrage (2, 62), un tuyau d'injection (9) qui est connecté à un organe de raccordement à l'extrémité avant faisant face vers l'intérieur dans le trou et qui comprend un organe (7) de connexion à un organe de fourniture de milieu d'injection (8). Cet agencement comprend aussi un clapet (10) permettant d'agir avec le milieu d'injection et, un joint extensible (10; 50; 60). Cet agencement est conçu sous forme d'unité distincte qui peut être séparée de l'élément de renfort et/ou d'ancrage après que la phase d'injection est terminée. Ce procédé comprend des états de traitement correspondant.
Eriksson Jan
Petersson Sten-Ake
Atlas Copco Craelius Ab
Fetherstonhaugh & Co.
LandOfFree
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