Reduction in blasting-induced seismicity impact in open pit mines

被引：0
|
作者：
S. V. Muchnik
机构：
[1] Russian Academy of Sciences,N.A. Chinakal Institute of Mining, Siberian Branch
来源：
Journal of Mining Science | 2011年 / 47卷
关键词：
Open pit mine; shattering of rocks; seismicity; Rayleigh waves; interference;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Short-delay blasting excites the Rayleigh waves over the surface of open pit walls. The author shows that interference of these waves generates an extended neutral seismicity zone behind the first positive halfwave in the distribution diagram of the transverse component of the velocity vector. The neutral seismicity zone ends with the low amplitude interference vibrations with a velocity comparable with the air sonic velocity.
引用
收藏
页码：460 / 466
页数：6
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