不同侧压下沉积岩石变形与强度特征_中国矿权网 关键词： 沉积岩石；侧压；变形；强度 [gap=867]Key words：sedimentary rock；confining pressure；deformation；strength
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external confining pressure 外关闭压力
net confining pressure 纯封闭压力
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
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
Disturbance factor parameters change with confining pressure value.
扰动因子的参数取值与围压相关。
The results show that peak stress of rock specimens increases with confining pressure.
研究结果表明，岩样的峰值应力都随着围压的增大而增大。
The total fracture energy of rock specimens also increases linearly as confining pressure increases.
岩石全部断裂能随着围压的增加亦成正线性增加。
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