| Interaction among fractures and stress field computation of fracture systems |
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| 作者姓名： | 张之立 |
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| 作者单位： | Institute of Geophysics，State Seismological Bureau，Beijing 100081，China |
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| 摘 要： | ＩｎｔｅｒａｃｔｉｏｎａｍｏｎｇｆｒａｃｔｕｒｅｓａｎｄｓｔｒｅｓｓｆｉｅｌｄｃｏｍｐｕｔａｔｉｏｎｏｆｆｒａｃｔｕｒｅｓｙｓｔｅｍｓＺｈｉ－ＬｉＺＨＡＮＧ（张之立）（ＩｎｓｔｉｔｕｔｅｏｆＧｅｏｐｈｙｓｉｃｓ，ＳｔａｔｅＳｅｉｓｍｏｌｏｇｉｃａｌＢ...
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| 收稿时间： | 10 November 1992 |
| 修稿时间： | 20 January 1993 |
Interaction among fractures and stress field computation of fracture systems |
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| Zhi-Li ZHANG.Interaction among fractures and stress field computation of fracture systems[J].Acta Seismologica Sinica(English Edition),1994,7(1):43-54. |
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| Authors: | Zhi-Li ZHANG |
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| Institution: | (1) Institute of Geophysics, State Seismological Bureau, 100081 Beijing, China |
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| Abstract: | The interaction problem among fractures under the action of compressional stress is studied in this paper by using the finite element method and boundary element method respectively.The mechanical criteria which differentiate between the independent fractures and fracture systems and their computation methods are presented in this paper.The proportional conditions between length and spacing of fractures that exist interaction for several kinds of fracture groups of different geometric arrangement are given.The effect of interaction among fractures on the displacement field,stress field and strain energy distribution are computed.The relations between the fracture system of conjugate array and conjugate earthquakes are also discussed in this paper. |
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| Keywords: | interaction among fractures displacement field and stress field strain energy methods of finite element and boundary element stress intensity factor ratio |
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