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高精度岩层应力仪探头安装在土层中的实验观测
EXPERIMENTAL OBSERVATION WITH HIGH-PRECISION ROCK STRATA STRESSOMETER WHEN THE PROBE MOUNTED IN EARTH STRATA
【摘要】 高精度岩层应力仪的压磁探头在土层安装后,经8个多月的实验观测,对太原附近仅有的两次有感地震(M_L3.5,M_L4.2),仪器均有明显的前兆反映,出现了幅度达数十千帕的应力速率异常。并在震前成功地预报了这两次地震。
【Abstract】 The piezomagnetic probe of high-precision rock strata stressometer was mounted in earth strata. Through experimentation and observation in 8 mounths, precusory anomalies of the earthquakes ML 3.5 and ML 4.2 nearby Taiyuan regions were observed. The range of rate of stress change are several thousand Pa. Through analysis, we successfully predicted the two earthquakes.
【关键词】 压磁探头；
土层安装；
应力速率异常；
地震预测；
【Key words】 piezomagnetic probe； mounted in earth strate； abnormality of rake of stress change； earthquake prediction；
【Key words】 piezomagnetic probe； mounted in earth strate； abnormality of rake of stress change； earthquake prediction；
- 【文献出处】 地震 ,Earthquake , 编辑部邮箱 ,1994年02期
- 【分类号】P315
- 【被引频次】4
- 【下载频次】28