This study focuses on a deep-hole segmented blasting project of a tungsten mine and uses LS-DYNA nonlinear dynamic finite element software to optimize segment height parameters under segmented blasting conditions for deep-hole drilling.By comparing the slightly different detonation sequences of different cutting holes,it was found that the cutting effect of simultaneous detonation of adjacent holes is better than that of simultaneous detonation of opposite holes.The research results reveal that as the segment height increases,both the charge amount and the explosive consumption per unit of rock increase correspondingly.Specifically,when blasting at segment heights of 2.3 m and 2.6 m,not only is the well completion effect better,but less flyrock is produced.Industrial experiments further validated the accuracy of the simulation results,confirming that using a 2.6 m segmented height for segmented blasting can achieve better blasting effects in practical engineering.These research results not only provide scientific basis for the deep hole segmented blasting well completion project of the tungsten mine,but also provide valuable experience and methodological reference for similar projects.
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