PHYSICAL AND MECHANICAL VARIABILITY OF NATURAL ROCK SALT.

被引：0
|
作者：
Hansen, Francis D. [1 ]
机构：
[1] RE/SPEC Inc, Rapid City, SD, USA, RE/SPEC Inc, Rapid City, SD, USA
来源：
Bulletin of the Association of Engineering Geologists | 1985年 / 24卷 / 02期
关键词：
GEOLOGY - Engineering - PETROLOGY - RADIOACTIVE WASTES - Geological Repositories - ROCK - Mechanical Properties - ROCK MECHANICS;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Petrology and micromechanics are studied for four experimentally deformed rock salts from the United States. Results show that the influence of impurity content on creep deformation decreases as temperature increases. However, the rate-controlling deformation mechanisms show similar stress and temperature dependence for each salt, independent of purity. At low temperature (25 degree C), dislocation glide dominates the deformation; whereas, at high temperature (200 degree C), dislocation climb is the predominant mechanism.
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页码：227 / 234
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