Finally, this paper gives a shape equation of rock compression shear fracture nucleus describing the microcracking zone.
在上述结果基础上，提出了描述该微裂区的岩石压剪断裂核的形状方程。
This paper presents a result of researching the microcracking zone near the notch tip of rock specimen in compression shear fracture.
本文介绍了岩石压剪断裂试件切口端部微裂区的研究成果。
The observational result of crack fracture form for rock samples with close crack under unloading after the peak compression shear load.
介绍了对含闭合裂缝岩石试件在达到峰值压剪荷载时卸荷的裂缝断裂形态观察结果。
The fatigue failure types of the beams were fracture failure, bending tensile failure and shear compression failure.
这批试件的疲劳破坏形式为：折断破坏、弯拉破坏和剪压破坏。
The extension length of rock compression and shear fracture nucleus of the earth's crust is discussed, and it is verified by in-situ findings of geological investigation.
探讨了地壳岩石压剪断裂核的延深长度，并借矿床地质调查的成果加以实证。
Secondly, the effect of specimen length on total fracture energy in uniaxial compression subjected to shear failure is analyzed.
然后，研究了单轴压缩条件下岩石试件全部断裂能的尺度律。
The rock rupture state can be seen in the microcosmic photo of the notched area of compression and shear fracture samples before failure. The results agree well with the theoretic analytic results.
在压剪断裂试件临破坏前切口区域的微观照片中可见岩石破碎情况，与理论分析相符。
The calculation results show that the fracture criteria of the rock compression-shear mixed-mode crack based on the strength criteria are rational;
计算结果表明，基于强度准则建立的岩石压剪断裂判据比较合理；
A large number of real rock and model material experiments and numerical simulations on the mixed mode fracture under compression-shear loading had been carried out by scholars at home and abroad.
针对岩石类材料压剪破坏，国内外学者做了大量真实岩石和模型材料的试验，并进行相应的数值模拟工作。
A large number of real rock and model material experiments and numerical simulations on the mixed mode fracture under compression-shear loading had been carried out by scholars at home and abroad.
针对岩石类材料压剪破坏，国内外学者做了大量真实岩石和模型材料的试验，并进行相应的数值模拟工作。
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