剪节理系指岩石受剪应力作用产生的节理，一般发育于压应力呈45度角左右的平面上，即最大剪切面上。
岩组分析与共轭剪节理分析结果一致，反映了潞安矿区地质构造的多期复合变形。
The petrofabric analysis corresponded with the result of the conjugate shear joints analysis, indicating the multiple deformation of geological structures in Luan coal district.
结果表明，随着充填度的增大，分形节理抗剪强度总体上呈非线性减小。
The results showed that the shear strength of fractal joints decreases nonlinearly as the filling percentage increased.
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.
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