Pre-stressing of an open pit bench during large-scale blasting

被引：0
|
作者：
S. V. Muchnik
机构：
[1] Russian Academy of Sciences,Institute of Mining, Siberian Branch
来源：
Journal of Mining Science | 2010年 / 46卷
关键词：
Open pit; large-scale blast; Rayleigh waves; interference;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Large-scale blasting induces Rayleigh waves. It is possible to make these waves interfere and to form their crest by choosing a proper range of blast delays. The positive half-wave propagation over a projected loosening zone of every next detonated shot hole will generate tensile stresses, which will enhance blasting effect.
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页码：650 / 655
页数：5
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