Removable grating for earth retaining system

Details Removable grating for earth retaining system Removable grating for earth retaining system

E - Fixed Constructions

02

D

E02D 29/02 (2006.01) E02D 29/05 (2006.01) E21D 5/08 (2006.01) E02D 17/08 (2006.01)

Patent

CA 2234526

When a mine shaft is sunk, the ground is supported as the shaft deepens. This method involves covering the walls of the shaft with metal screening held in place by spikes fastened in the rock. The screening is often damaged by dynamiting operations. This creates extra work and undermines the efficiency of mining operations. This invention is for removable screening that is installed during dynamiting operations and removed as necessary.

Durant le fonçage des puits de mine une opération de soutènement de terrain est effectuée au fur et à mesure que le puits s'approfondit. Cette méthode consiste à recouvrir les parois du puits avec un grillage métallique ancré par des tiges insérées dans le rock. Lors du dynamitage ce grillage est souvent endommagé, ce qui entraîne des travaux supplémentaires et diminue l'efficacité des opérations minières. Ainsi, la présente invention consiste en un grillage amovible qui monte lors du dynamitage et qui descend lorsque nécessaire.

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