The rupture directivity effect is due to rupture propagation and radiation pattern effects.
破裂方向效应是由破裂传播和辐射图效应引起的。
Tranagranular cracks result from deformation damage of grain, and its propagation mechanism is shear rupture along slip plane.
穿晶裂纹源于晶内形变损伤区，其扩展机制为沿滑移面的剪切断裂。
In the paper, on the basis of two rupture modes-fracture propagation and shearing slide, the strength of jointed rock is derived by use of statistical fracture mechanics.
本文基于岩体节理断裂扩展和剪切滑移两种失稳破坏机制，运用统计断裂力学方法建立了两种破坏方式下节理岩体强度的理论表达式。
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