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In mining operations, achieving a good backbreak is crucial for maintaining wall stability and optimizing the overall blasting process. Pre-splitting involves drilling closely spaced holes along the desired final wall line, lightly charging, and detonating them before the main blast to create a controlled fracture plane. This technique ensures a clean and controlled cut, reducing overbreak, enhancing wall stability, and minimizing ground vibrations.
But this is not true to all situations. Even if you have a good pre-split, other variables will influence the backbreak like charging amounts, drilling angles/direction and borehole distances in the rest of the blast pattern that if overlooked will give you overall bad results.
At O-Pitblast, we try to look at the blast plan design as a whole, so if you want to learn more on how to leverage backbreak control techniques to achieve optimal results, feel free to contact us! 💪
#miningefficiency #presplitting #blastingtechniques #backbreakcontrol