A versatile grout bag type of underground support

Details A versatile grout bag type of underground support A versatile grout bag type of underground support

E - Fixed Constructions

21

D

E21D 15/48 (2006.01)

Patent

CA 2675684

A support assembly (1 ) is provided for the roof or hanging wall (36, 114) of an underground mine. The assembly comprises at least one support elongate (30) and a grout bag (2, 60, 80, 90, 102, 108, 120) used in association therewith and wherein the grout bag is inflated with settable granular material or grout (42). The support elongate is substantially surrounded, in plan view, by the grout bag and set granular material or grout contained therein. Preferably at least one cross-member (28) extends generally diametrically across the top of the support assembly and is anchored to the roof or hanging wall by the support elongate. The grout bag is preferably suspended from the end regions of the cross-member. Various grout bags for inclusion in such a support assembly are also provided.

L'invention concerne un ensemble support (1) destiné à un toit ou une éponte supérieure (36, 114) d'une mine souterraine. L'ensemble comprend au moins un support oblong (30) et un sac de ciment (2, 60, 80, 90, 102, 108, 120) utilisé avec celui-ci, le sac de ciment étant gonflé avec un matériau granulaire prêt à l'emploi ou du ciment (42). Le support oblong est sensiblement entouré, en vue en plan, par le sac de ciment et le matériau granulaire prêt à l'emploi ou le ciment y étant contenu. De préférence, au moins un élément transversal (28) s'étend généralement à l'opposé sur le dessus de l'ensemble support et est ancré dans le toit ou l'éponte supérieure par le support oblong. Le sac de ciment est, de préférence, suspendu par les zones d'extrémité du l'élément transversal. L'invention concerne également divers sacs de ciment destinés à être inclus dans un tel ensemble support.

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