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Numerical Analysis on the Tectonic Stress Field of the Main Shock Faults in the Wenchuan Earthquake
Author(s): 
Pages: 253-257
Year: Issue:  3
Journal: Transactions of Beijing Institute of Technology

Keyword:  断层地块断层破裂传播构造应力场;
Abstract: 以连续介质力学为基础,以地块动力学为指南,对2008年5月12日汶川Ms8.0地震的主震断层的构造应力场进行了定量分析.讨论了地块-地块、地块-断层和断层-断层间的相互作用.计算结果表明,应变能随断层破裂传播发生了迁移,在特定的边界条件下,能量场随断层的扩展而向边界迁移.从位移场、应力场和能量场的分布,对地震断层破裂的机制作了初步探讨.计算结果表明,汶川地震引发了川滇地区的地应力调整活动,该地震后...
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