Unloading confining pressure tests could be controlled by stress and deformation.
荷试验包括应力控制和变形控制两种方法。
The effect of unloading confining pressure on cohesion is more obvious than that of angle of internal friction.
卸荷对黏聚力的影响比对内摩擦角的影响大。
The experimental results indicate that unloading confining pressure has important effect on the intensity of rock.
研究结果表明:卸围压对岩石的强度影响很大。
Moreover, for sandstone and granite with a single fracture, there is obvious hysteresis effect for the restitution of permeability in the process of unloading for confining pressure.
在围压下降过程中,砂岩和单裂隙试件渗透率的恢复均存在明显的应力滞后效应。
Using the RMT-150B servo-controlling testing machine, unloading mechanical tests of marble under high confining pressure and high water pressure conditions were carried out.
利用伺服机对大理岩进行高围压及高围压高水压岩石的卸荷力学试验。
Various loading and unloading paths are carried in servo-controlled testing machine to study the relationships among axial stress, strain, confining pressure and circumference deformation.
在伺服试验机上对岩样进行了多种路径的加载、卸载试验,分析岩样轴向应变、环向变形与轴向应力、围压之间的关系。
Various loading and unloading paths are carried in servo-controlled testing machine to study the relationships among axial stress, strain, confining pressure and circumference deformation.
在伺服试验机上对岩样进行了多种路径的加载、卸载试验,分析岩样轴向应变、环向变形与轴向应力、围压之间的关系。
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