| 安宁河断裂带测区古构造残余应力随深度分布 |
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| 引用本文： | 安欧,高国宝.安宁河断裂带测区古构造残余应力随深度分布[J].西北地震学报,1996,18(4):54-58. |
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| 作者姓名： | 安欧 高国宝 |
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| 作者单位： | 国家地震局地壳应力研究所, 北京 100085,国家地震局地壳应力研究所, 北京 100085 |
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| 基金项目： | 地震科学联合基金资助项目(91-046) |
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| 摘 要： | 以岩体正交异性弹性理论为基础，用Ｘ射线法，在安宁河断裂带测区，选取了９个钻孔的岩芯，测量了岩体中宏观残余应力场的水平和铅直三维主应力及最大剪和随深度的分布。分析了其沿深度的分布规律，求得了其铅直梯度值。
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| 关 键 词： | 安宁河 断裂带 古构造 残余应力 断裂构造 |
| 收稿时间： | 1994/12/5 0:00:00 |
| 修稿时间： | 1995/1/15 0:00:00 |
DISTRIBUTION OF PALEOTECTONIC RESIDUAL STRESSES ALONG WITH DEPTH IN ANNINGHE FRACTURE ZONE |
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| An Ou and Gao Guobao.DISTRIBUTION OF PALEOTECTONIC RESIDUAL STRESSES ALONG WITH DEPTH IN ANNINGHE FRACTURE ZONE[J].Northwestern Seismological Journal,1996,18(4):54-58. |
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| Authors: | An Ou and Gao Guobao |
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| Institution: | Institute of Earth Crust Dynamics, SSB, Beijing 100085 and Institute of Earth Crust Dynamics, SSB, Beijing 100085 |
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| Abstract: | Based on the anisotropic elastic theory of rock mass, the X-ray method is adopted to measure the 3-D macro-residual principal stresses as well as distribution of the maximum horizontal and vertical shear stresses with depth in rock mass from 9 measuring boreholes in Anninghe fault zone. The regularities of the distributions are analysed and the vertical gradient values are obtained. |
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| Keywords: | Tectonic stress field Maximum shear stress Gradient X-ray method Anninghe fault zone |
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