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| 引用本文： | 周宇明,单斌,熊熊.??????????????????????仯??????????????[J].大地测量与地球动力学,2008,28(5):21-26. |
| 作者姓名： | 周宇明 单斌 熊熊 |
| 作者单位： | 1. 中国科学技术大学地球与空间科学学院,合肥,230026 2. 中国科学院测量与地球物理研究所,武汉,430077;中国科学院研究生院,北京,100049 3. 中国科学院测量与地球物理研究所,武汉,430077 |
| 基金项目： | 中国科学院知识创新工程项目，国家自然科学基金 |
| 摘 要： | ???????λ????????????????????????ж?????Ч???????????????????????????????С???????????????????????仯????????????????????????????о??У???Щ????????????????仯????????????????繹?????????????????????????????????????????棬??????????????????????????仯??????????????????????????仯???С?????????????????仯??????????????????? |
| 关 键 词： | ?????????? ????????仯 ????????? ??Ч?????? ??????????? |
PARAMETERS SENSITIVITY ANALYSIS OF COULOMB STRESS CHANGE IN STATIC STRESS TRIGGERING |
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| Zhou Yuming,Shan Bin,Xiong Xiong.PARAMETERS SENSITIVITY ANALYSIS OF COULOMB STRESS CHANGE IN STATIC STRESS TRIGGERING[J].Journal of Geodesy and Geodynamics,2008,28(5):21-26. | |
| Authors: | Zhou Yuming Shan Bin Xiong Xiong |
| Institution: | 1) School of Earth and Space Sciences, University of Science and Technology of China, Hefei 2300262) Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuhan 4300773) Graduate University of Chinese Academy of Science, Beijing 100049 |
| Abstract: | On the basis of on the elastic dislocation theory,we analyzed influences of the effective friction factor in the fault for the calculation of the Coulomb stress and the magnitude and birextion of the maximum principle stress of and regional stress field on the coseismic Coulomb stress changes.The results show that the above mention parameters have the influences on the coseismic Coulomb stress changes significantly to different extent.First,the Coulomb stress change is most sensitive to the regional stress direction,because the regional stress direction changes directly affect the optimum rapture planes.Secondly,Coulomb stress change is modestly sensitive to the of effective friction factor,because the friction decides the weight of normal stress change in Coulomb stress change calculation.At last,our results are insensitive to the regional stress amplitude,because the amplitude of Coulomb stress change is much smaller than that of regional stress field. |
| Keywords: | static stress triggering change of Coulomb stress regional stress field effective friction factor optimum rapture planes |
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