E - Fixed Constructions – 21 – D
Patent
E - Fixed Constructions
21
D
E21D 9/00 (2006.01)
Patent
CA 2304533
The invention provides an advantageous support structure and method for forming same for use in excavations such as underpasses, tunnels and the like for roads, rail or rivers. The support structure allows the utilisation of the strength provided by using arch shaped sections and also minimises the disruption caused to the soil surrounding the excavation thereby allowing existing road, rail or river services to continue to be used during excavation.
La présente invention concerne une structure de support avantageuse, et un procédé de fabrication de cette structure prévue pour être utilisée dans des excavations telles que des passages souterrains, des tunnels et similaires pour des réseaux routiers, ferroviaires ou fluviaux. La structure selon l'invention permet d'utiliser la résistance due à l'emploi de sections en forme de voûte. En outre, elle permet de réduire la rupture provoquée dans le sol environnant l'excavation, et par conséquent, de continuer d'utiliser les services des réseaux routiers, ferroviaires ou fluviaux existants.
Gowan Intellectual Property
Thomson James Crawford
LandOfFree
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