Comprehensive Study of Sandstone Dynamic Strength Based on the Incubation Time Criterion

被引：0
|
作者：
A. N. Martemyanov
Yu. V. Petrov
机构：
[1] St. Petersburg State University,
[2] Institute for Mechanics at the Lobachevsky State University of Nizhny Novgorod,undefined
来源：
Journal of Applied Mechanics and Technical Physics | 2019年 / 60卷
关键词：
dynamic strength; impulse loading; split Hopkinson pressure bar; incubation time; rock; sandstone; porosity; saturation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Available results of laboratory investigations of the dynamic strength of various sandstone types are analyzed with the use of the incubation time criterion in both compression and tension cases. Based on this approach, a theoretical relation is derived, which describes the increase in the sample fracture stress under dynamic conditions. Incubation times for all materials considered in the study are estimated.
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页码：539 / 547
页数：8
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