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地震断层的位移分布与发震断层破裂状态之关系初探

吴章明

吴章明. 1990: 地震断层的位移分布与发震断层破裂状态之关系初探. 地震学报, 12(3): 235-241.
引用本文: 吴章明. 1990: 地震断层的位移分布与发震断层破裂状态之关系初探. 地震学报, 12(3): 235-241.
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1990: PRELIMINARY STUDY OF THE RELATION BETWEEN THE DISTRIBUTION OF DISPLACEMENT AND THE RUPTURED STATE OF THE SEISMOGENIC FAULT. Acta Seismologica Sinica, 12(3): 235-241.
Citation: 1990: PRELIMINARY STUDY OF THE RELATION BETWEEN THE DISTRIBUTION OF DISPLACEMENT AND THE RUPTURED STATE OF THE SEISMOGENIC FAULT. Acta Seismologica Sinica, 12(3): 235-241.
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地震断层的位移分布与发震断层破裂状态之关系初探

  • 国家地震局地质研究所

PRELIMINARY STUDY OF THE RELATION BETWEEN THE DISTRIBUTION OF DISPLACEMENT AND THE RUPTURED STATE OF THE SEISMOGENIC FAULT

  • Institute of Geology, State Seismological Bureau

摘要

    摘要
  • 摘要: 本文对国内外10条地震断层实测位移分布特征进行了分析,并将不同形态的实测位移分布曲线与有限元计算曲线对比.结果表明:破裂状态不同的地震断层,其位移曲线不同;位移的分布与发震断层闭锁区强度及闭锁区的破裂程度有关.
    Abstract: The features of measured distribution of displacement at 10 earthquake faults are analyzed. The different forms of measured distribution curves of displacement and the curves calculated by Finite Element Method are compared. The results show that: those earthquake faults with different state of rupture are different in their curves of displacement distribution; the distribution of displacement is related with the strength,and with the degree of rupture,of the locked region along the seismogenic fault.
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  • [1] 邓起东,1984.断层性状、盆地类型及形成机制.地震科学研究,3: 56—64.

    [2] Deng Qidong, Wu Daning, Zhang Peizhen, Chen Shefa, 1986. Structural and deformational character of strike—slip fault zone. Pure and Applied Geophsics, 124, 1/2, 203—223.

    [3] 邹定元,1984.我国走滑型断层地震地裂缝水平位移分布的考察与研究.地震科学研究,2: 1—10.

    [4] 吴章明,邓起东,1989.西藏崩错八级地震地表破裂的形变特征及破裂机制.地震地质,11, 1, 15—25.

    [5] Tchalenko J. S., Berberian M., 1975. Dasht—e Bayaz fault, Iran: earthquake and earlier related structure in bed rock. Geol. Soc. Am. Bull., 86, 703—709.

    [6] Deng Qidong, Zhang Peizhen, 1984. Research on the geometry of shear fractures zones,J. Geophys. Res, 89, B7, 5699—5710.

    [7] Chinnery M. A., Petrak J. A., 1968. The dislocation fault model with a variable discontinuity.Tectonophysics, 46, 513—529.

    [8] Hildebrand—Mittlefehldt N., 1979. Deformation near a fault termination. Part I: A fault in a clay experiment. Tectonophysics, 57, 131—150.

    [9] 余洋,梅世蓉,庄灿涛,1986. 模拟震源动力学破裂过程的数值方法研究.地球物理学报,29, 567—577.
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  • 发布日期:  2011-09-01

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