节理抗剪切刚度 joint shear resistant stiffness
Then the interaction between stress wave and slipping rock interface described with joint stiffness is discussed, and the general formula to calculate the amplitudes of reflected and transmitted wave is given.
然后又研究了应力波与用节理刚度系数描述的线性滑移岩石界面间的相互作用，给出了其透反射波幅的一般表达式，通过应力波垂直入射时的具体分析，反映出岩石界面的节理刚度对应力波传播的重要影响，并揭示了岩石界面对应力波的高频滤波作用。
参考来源 - 裂隙介质中波传播特性试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以节理岩体等效刚度的概念为基础，讨论了离散元刚性块体模型中节理刚度的选取问题。
Based on the concept of equivalent stiffness of rock masses, the estimation of joint stiffness in distinct element model of stiff blocks is discussed.
为确定代表土抗剪强度的节理单元竖向刚度系数，文中提出了一套相应的计算公式和试算迭代的计算方法，用来逐步逼近其真值。
In order to approximate the actual vertical stiffness coefficients of the joint elements representing the shear strength of soil, formulas and iteration method are suggested.
这个模型能够反映节理面的损伤弱化，扩容和弹性刚度劣化等复杂特性。
These models can reflect the behaviours of damage softening, elastic stiffness degradation and shear dilatancy.
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