| 走滑型地震震源孕育的三维组合模式 |
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| 引用本文： | 刘顺.走滑型地震震源孕育的三维组合模式[J].西北地震学报,1998,20(3):79-82. |
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| 作者姓名： | 刘顺 |
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| 作者单位： | 成都理工学院地质学系 |
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| 摘 要： | 以走滑型地震为例提出了震源孕育的三维组合模式．在以往的组合模式基础上增加了震源下部的应力调整单元．这一应力调整单元由流变介质组成，孕震时不积累应力，而是将应力转移至上部的应力积累单元；在发震时该单元以其特有的粘滞性可以止裂；震后以其变形的时间依赖性可以控制余震发生．该调整单元的作用可以由地震后断层的蠕动曲线得到部分验证．
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| 关 键 词： | 组合模式 应力调整单元 走滑型地震 |
| 收稿时间： | 1997/9/17 0:00:00 |
THREE DIMENSIONAL COMBINATION MODEL OF FOCAL DEVELOPMENT OF THE EARTHQUAKE OF THE STRIKE-SLIP TYPE |
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| LIU Shun.THREE DIMENSIONAL COMBINATION MODEL OF FOCAL DEVELOPMENT OF THE EARTHQUAKE OF THE STRIKE-SLIP TYPE[J].Northwestern Seismological Journal,1998,20(3):79-82. |
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| Authors: | LIU Shun |
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| Institution: | Department of Geology, Chengdu Institute of Technology, Chengdu 610059 |
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| Abstract: | A three dimensional combination model has been put forward by means of adding an adjustment element under the fault in the combination model. The under adjustment element is composed of ductile material. It doesn''t accumulate but transfers stress to the over accumulation element before earthquake,quits the boundless propagation of rupture by it''s viscosity during earthquake,and controls the aftershock activity with dependence of it''s deformation on time after earthquake.The acts of under adjustment element can be partly examined by creep curve of seismic fault. |
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| Keywords: | Combination pattern Stress adjustment element Earthquake of the strike slip type |
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