| 孕震过程的应力图象和前兆异常 |
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| 引用本文： | 丁文镜.孕震过程的应力图象和前兆异常[J].地震学报,1984,6(4):425-428. |
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| 作者姓名： | 丁文镜 |
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| 作者单位： | 清华大学 |
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| 摘 要： | 本文遵循地震发生的断层成因说,应用三维应力圆和纳维-库伦强度理论,提出一种定性描述孕震过程的应力图象.这种图象可用来估计地震危险性的增长和减退,并可用它说明地震前兆异常规律应该多种多样,从而可以解释地震预报实践中曾经出现的若干疑问.
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STRESS PATTERN OF PROCESS OF EARTHQUAKE GENESIS AND PRECURSORY PHENOMENA |
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| Abstract: | According to the hypothesis of fault failure of earthquake genesis, this paper concerns with a stress pattern describing qualitatively the process of genesis o'f earthquakes by means of a three-dimensional stress circle and Navier-Coulomb strength theory. This pattern can be used to estimate the tendency of rise and fall of earthquake risk of an area and to show the heteromorphic character of earthquake precurosry phenomena which in turn explains certain problems arising'from earthquake prediction practice. |
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