external confining pressure 外关闭压力
confining pressure effect 围压效应
unloading confining pressure 卸围压
Confining pressure level is high 围压水平较高时
passive confining pressure 被动围压
With the increasing of confining pressure principal stress ratio and internal friction angle decrease, while particle breakage index increases.
随着围压的增加,主应力比降低、颗粒破碎率增大、内摩擦角减小。
参考来源 - 粗粒料强度和变形的大型三轴试验研究The variability of permeability quotiety were measured respectively with monotonously increasing and decreasing confining pressure in the coupling flow experiment.
在围压耦合渗流实验中,分别测试了有效围压单调上升和单调下降时岩石渗透率的变化规律。
参考来源 - 低渗透岩石非Darcy渗流实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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