FORMATION OF ORIENTED FRACTURE UPON EXPLOSION OF ELONGATED CHARGES

被引：0
|
作者：
Andreev, R. E. [1 ]
Gridina, E. B. [1 ]
Zhikharev, S. Ya [2 ]
机构：
[1] St Petersburg Min Univ, Dept Ind Safety, St Petersburg, Russia
[2] Russian Acad Sci GI UB RAS, Ural Branch, Min Inst, St Petersburg, Russia
来源：
PROCEEDINGS OF THE TULA STATES UNIVERSITY-SCIENCES OF EARTH | 2018年 / 2卷
关键词：
gas-dynamic problem; rock massif; detonation; explosive;
D O I：
暂无
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Rock destruction mechanism by explosions is sufficiently complex, since the destruction occurs in very short intervals at sufficiently high values of dynamic loads. Therefore, no common point of view on rock destruction by explosion has been developed up till now. This article discusses stressed state in medium at quasi-static stage of impact upon explosion of elongated charges as well as describes formation and propagation of fracture zones upon explosions. This article presents the results of laboratory studies of formation of fracture zones upon explosion of solid charges as a function of properties of explosives and charge design at quasi-static stage of explosion impact.
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页码：203 / 214
页数：12
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