From blasting to downstream, processes are linked through the continuous reduction of the size of the rock. The effect of blasting is traditionally limited to fragmentation, although effects on crushing and grinding are also recognized and examined in the paper. Fragmentation prediction methods are reviewed to identify issues that need to be addressed in engineering models to improve the accuracy of the predictions. Blastability and energy partition during the blast are key areas for improvement. Damage to the rock, in the form of microcracks, is discussed using experimental findings as well as computer calculations of damage. Experimental results have shown that grindability is affected by energy consumption, which is simplified by the powder factor and by the powder distribution in the blast. Damage calculations show that powder distribution as well as energy partition are important, while the geometry of the blast, borehole pressure, delay time and the complicated stress-wave interaction during the blast play a significant role. To derive a relationship between blasting and milling, analysis of field data, considering lithology, fracture network, detailed blasting parameters and mill performance are needed.

中文翻译：

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使用实验结果和数值模拟分析爆破对粉碎的影响

从爆破到下游，过程通过不断减小岩石尺寸而相互关联。爆破的影响传统上仅限于破碎，尽管论文中也认识到并研究了对破碎和研磨的影响。审查碎片预测方法以识别需要在工程模型中解决的问题，以提高预测的准确性。爆炸期间的可爆性和能量分配是需要改进的关键领域。使用实验结果和计算机计算的损伤来讨论微裂纹形式的岩石损伤。实验结果表明，可磨性受能量消耗的影响，这可以通过粉体因素和鼓风中的粉体分布来简化。损伤计算表明，粉末分布和能量分配很重要，而爆炸的几何形状、钻孔压力、延迟时间和爆炸过程中复杂的应力波相互作用起着重要作用。为了推导出爆破和碾磨之间的关系，需要分析现场数据，考虑岩性、裂缝网络、详细的爆破参数和磨机性能。