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地震临界点理论的实验研究
余怀忠; 尹祥础; 夏蒙棼; 许昭永; 李敏; 梁乃刚; 彭克银; Victor Kukshenko; Surguei Elizarov
Source Publication地震学报
2004-12-30
Volume26Issue:S1Pages:122-130
Abstract按照临界点理论 ,在大地震或岩石等脆性材料破坏发生之前能量会加速释放 (AER) ,这种加速过程呈幂律变化 (power law) .本文通过大尺度岩石破裂声发射实验 ,对这一临界现象进行了研究 .实验分别采用 3种岩石试件 ,并且实现了不同轴压加载历史以及三轴应力状态 ;实验利用声发射技术记录了微裂纹产生和扩展时所释放的弹性能 (声发射 ) ;实验结果证实了临界点理论 ,在不同的实验条件下 ,岩石材料在受压破坏之前弹性能会出现明显的加速释放过程 .本文还对使用AER预测中期地震进行了初步研究 .
Keyword临界点理论 能量加速释放 声发射 地震预测
Language中文
Funding Organization国家自然科学基金 (10 2 32 0 5 0 )
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/42416
Collection力学所知识产出(1956-2008)
Corresponding Author余怀忠
Recommended Citation
GB/T 7714
余怀忠,尹祥础,夏蒙棼,等. 地震临界点理论的实验研究[J]. 地震学报,2004,26(S1):122-130.
APA 余怀忠.,尹祥础.,夏蒙棼.,许昭永.,李敏.,...&Surguei Elizarov.(2004).地震临界点理论的实验研究.地震学报,26(S1),122-130.
MLA 余怀忠,et al."地震临界点理论的实验研究".地震学报 26.S1(2004):122-130.
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