重力构造的力学研究——铲式断层的力学分析 |
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引用本文: | 陈强.重力构造的力学研究——铲式断层的力学分析[J].地震地质,1986,8(3):11. |
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作者姓名: | 陈强 |
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作者单位: | 国家地震局分析预报中心 |
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摘 要: | 本文采用服从抛物线型破坏准则的滑移线场理论,对重力构造的铲式断层进行了力学研究。岩层重力滑动的坡度与岩石强度、滑动系统厚度、孔隙压力以及润滑层有关;铲式正断层自上至下由张性、张剪性、纯剪性过渡到压剪性,铲式逆断层上下一致为压剪性
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关 键 词: | 滑动系统 铲式断层 重力构造 正常孔隙压力 fault 滑移线场理论 重力滑动构造 力学研究 铲式正断层 张断裂 |
MECHANICAL RESEARCH ON GRAVITATIONAL STRUCTURE——MECHANICAL ANALYSIS OF LISTRIC FAULTS |
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Abstract: | In this paper,mechanical researches are done for the listric faults of gravitational structure by means of the slip-line field theory obeying parabolic failure criterion.Slopes of gravitational gliding are related to rock strength,thickness of sliding system,pore fluid pressure and lubricating layer;from top to bottom,the listric normal faults change from tensile to tenso-shear,pure shear and compresso-shear and the reverse listric faults are entirely compresso-shear |
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