Assessment of Change in Rock Mass Permeability in the Vicinity of Underground Explosion from Experimental Data and Numerical Modeling

被引：3
|
作者：
Budkov, A. M. [1 ]
Kocharyan, G. G. [1 ]
Kishkina, S. B. [1 ]
机构：
[1] Russian Acad Sci, Sadovsky Inst Geosphere Dynam, Moscow 119334, Russia
来源：
JOURNAL OF MINING SCIENCE | 2023年 / 59卷 / 01期
基金：
俄罗斯科学基金会;
关键词：
rock mass permeability; blasting effect; shear strain; rock fragmentation; numerical modeling;
D O I：
10.1134/S1062739123010027
中图分类号：
TD [矿业工程];
学科分类号：
0819 ;
摘要：
The plane and axially symmetric 2D numerical modeling of rock mass blasting is carried out using the Lagrangian tensor-based method. The results are compared with the actual direct measurements of rock mass permeability in the near zone of underground nuclear explosion Dnepr-1 in Khibiny in 1972. The post-explosion permeability of hard rocks is assessable at an admissible accuracy using the calculated shear strain intensity. A case-study of rock mass permeability change assessment in the near zone of blasting of a complex configuration charge is discussed.
引用
收藏
页码：8 / 16
页数：9
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