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。
Crack propagation conducts alternatively between the weld zone and the partially molten zone, and is not strictly to rupture at W/F boundary surface.
裂纹扩展在焊缝区和半熔化区之间交替进行，并非严格按W／F界面破断。
The propagation angle of the principal fault rupture through soil equals the dilation angle of the soil under the mean confining pressure.
主裂缝的总体传播方向与断层平面的夹角约等于土体在土层平均围压下的剪胀角。
And then a concept of critical intrinsic zone of crack propagation is introduced, crack propagation happens when the tress or strain status of the zone reaches to the material critical rupture value.
认为裂纹顶端存在一个决定裂纹扩展本征区，裂纹扩展是因为本征区的应力应变状态或损伤状态达到材料的断裂韧性才发生的。
And then a concept of critical intrinsic zone of crack propagation is introduced, crack propagation happens when the tress or strain status of the zone reaches to the material critical rupture value.
认为裂纹顶端存在一个决定裂纹扩展本征区，裂纹扩展是因为本征区的应力应变状态或损伤状态达到材料的断裂韧性才发生的。
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