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基于孕震断层多锁固段脆性破裂理论,阐明了断层锁固段累积Benioff应变(CBS)与剪切应变等效性成立的条件.此外,还给出了详细的CBS值计算方法.实例分析表明,断层锁固段CBS与剪切应变等效,且其是容易测定的物理量,可用于大地震孕育过程分析.
Based on the theory of brittle fracture in the multi-locking section of the seismogenic fault, the conditions for the equivalence of the cumulative Benioff strain (CBS) and shear strain in the locked section of the fault are clarified. In addition, a detailed calculation method of the CBS value is given. It shows that the CBS is equivalent to the shear strain, and it is an easily measurable physical quantity, which can be used in the analysis of large earthquake inoculation process.