E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
E02D 3/12 (2006.01) E02D 29/02 (2006.01)
Patent
CA 2544710
A method for increasing the strength of a volume of soil, particularly for containing and supporting excavation faces, which comprises at least one reinforcement step that consists in producing a plurality of mutually spaced reinforcement holes arranged substantially vertically or inclined with respect to a vertical direction in the volume of soil to be strengthened; reinforcement elements are then inserted in the reinforcement holes and are locked within the soil by injecting in the reinforcement holes a synthetic locking substance that expands by chemical reaction. The method can optionally also comprise a step for consolidation of the volume of soil by injecting, in injection holes that are arranged vertically or are inclined with respect to the vertical and are formed beforehand in the soil, a synthetic consolidation substance that expands by chemical reaction.
La présente invention concerne un procédé permettant d'améliorer la tenue d'un volume de terre, notamment pour retenir et consolider les flancs d'excavations. On commence par renforcer l'ouvrage. En l'occurrence on réalise de place en place, dans le volume de terre à renforcer, une pluralité de sondages de renfort sensiblement verticaux ou inclinés, et on y enfonce des éléments de renfort que l'on ancre dans le sol en injectant dans les trous une substance bloquante synthétique qui se dilate par réaction chimique. On peut éventuellement également consolider le volume de terre. A cet effet, on injecte, par des trous d'injection verticaux ou inclinés préalablement ménagés dans le sol, une substance de consolidation synthétique qui se dilate par réaction chimique.
Canteri Carlo
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Uretek S.r.l.
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