Dynamically induced gouge degradation and implications for fault instability

机译：动态诱导凿凿劣化和对故障不稳定的影响

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When a gouge-filled rock discontinuity is subjected to dynamic perturbations, the intrinsic and extrinsic factors, such as gouge properties and loading environments, make its dynamic response extremely complex. Under various loading/unloading conditions, such as stress wave incidence and normal stress unloading, stress drop is a common phenomenon that can be observed with other features in experimental, numerical, and field works. When gouge contacts are approaching to a critical stress state for the shear failure, gouge damage and contact detachment occur accompanied by stress drop and energy relaxation. The stress drop associated with gouge degradation could be a reliable feature to make induced geological hazards interpretable and predictable. It also shows that the reduction of normal and shear stresses is a reasonable explanation of fault instability induced by nearby tunnel excavation.

机译：当胭脂填充的岩石不连续性受到动态扰动时，内在和外在因素，例如凿凿性和装载环境，使其动态响应极其复杂。在各种装载/卸载条件下，例如应力波入射和正常应力卸载，应力下降是可以在实验，数值和田间工作中的其他特征观察的常见现象。当凿锥接触到剪切失效的临界应力状态时，胭脂损坏和接触脱离伴随着应力下降和能量松弛。与凿劣相关的压力下降可能是一种可靠的特征，使诱发地质危害可解释和可预测。它还表明，正常和剪切应力的降低是附近隧道挖掘引起的故障不稳定性的合理解释。

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《International Conference on Rock Dynamics and Applications》|2016年|xiii 554 p. :|共6页
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W. Wu;
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中图分类 TU45-532;
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implications; fault; instability;

机译：含义;断层;不稳定;

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Dynamically induced gouge degradation and implications for fault instability

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