Designing drilling pattern for excavating rock cavern

E - Fixed Constructions – 21 – B

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Details

E21B 44/00 (2006.01) E21D 9/00 (2006.01) F42D 3/04 (2006.01)

Patent

CA 2670078

The invention relates to a method and a software product for designing a drilling pattern for excavating a rock cavern. The invention further relates to a rock- drilling rig, in whose control unit the software product and the method are executable. During designing of the drilling pattern (12), drill hole bottom locations are placed at a blast plane (29) at the bottom of a round (25). A drilling pattern design program determines the missing properties of the drill holes viewed from the bottom of the round towards a navigation plane (28). The program is able to determine a starting location (36) for a drill hole based on the location (36) and the direction of the bottom. The program also performs blasting calculation on the drill holes positioned.

L'objet de la présente invention concerne un procédé et un logiciel destinés à concevoir un procédé de forage pour creuser dans une caverne rocheuse. L'invention concerne également un équipement de forage de roches avec unité de commande dans laquelle le logiciel et le procédé sont exécutables. Au cours de l'élaboration du plan de forage (12), les emplacements inférieurs des trous de forage sont situés au niveau de l'explosion (29) au fond d'une enlevure (25). Un programme relatif à la conception du procédé de forage détermine les propriétés manquantes des trous de forage depuis le fond des enlevures jusqu'au plan de navigation (28). Le programme peut déterminer un point de démarrage (36) pour un trou de forage en fonction de l'emplacement (36) et de la direction du fond. Le programme effectue également les calculs en vue de l'explosion sur les trous de forage positionnés.

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