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The influence of rock and rock mass parameters on the blasting result in terms of fragmentation

机译:岩石和岩石质量参数对碎裂爆破结果的影响

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摘要

As a basis for further research work about the influence of rock and rock mass parameters on the blast fragmentation result, a literature review of around 100 articles was performed. The analysis shows, that there is a rather unanimous opinion about the importance of various rock material parameters on the blasting result, as the tensile strength and the acoustic impedance. In addition the influence of single joint parameters on the blasting result is discussed in a series of articles. But the literature analysis also revealed that the most widely used blast fragmentation models hardly take into consideration those rock and rock mass parameters which are considered to be of importance for the blast fragmentation. This is assumed to be the reason why existing blast fragmentation models cannot be applied in a general way to be different blasting sites and usually are limited to the fragmentation prediction for various blasting geometries at a certain blast site.
机译:作为进一步研究工作关于岩石和岩石质量参数对爆炸碎片结果影响的基础,进行了大约100制品的文献综述。分析表明,关于各种岩石材料参数对爆破结果的重要性,作为拉伸强度和声阻抗,存在相当一致的观点。此外,在一系列物品中讨论了单个关节参数对爆破结果的影响。但文献分析还透露,最广泛使用的爆破碎片模型几乎不考虑那些被认为对爆炸碎片的重要性的岩石和岩石质量参数。假设这是现有爆炸碎片模型不能以一种通用爆破部位应用的原因,并且通常仅限于某个爆破部位在各种爆破几何形状的碎片预测。

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