不同应力条件下断裂带结构发育特征探讨Discussion on Faulted Zone Structural Development Characteristics under Diverse Stresses
李月
摘要(Abstract):
脆性断层断裂带内部结构主要包括破碎带和诱导裂缝带两部分。断层性质、断层活动性、埋深、断层两盘(主动盘、被动盘)、岩石力学性质、距离断层远近、断层组合规律等都可以成为影响断裂带内部结构发育的因素。通过讨论不同的应力条件下断裂带内部结构的发育特征,认为正断层形成的破碎带范围较小,裂隙形态不规则,诱导裂缝带中发育张裂隙和剪裂隙;由逆断层作用形成的破碎带范围较大,诱导裂缝带主要是由张裂隙和剪裂隙组成。由平移断层作用形成的破碎带延伸较稳定。
关键词(KeyWords): 应力;断裂带;破碎带;诱导裂缝
基金项目(Foundation): 国家自然科学基金项目(41202091);; 山东省高等学校科技计划项目(J13LH02)
作者(Author): 李月
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