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。
This paper presents a result of researching the microcracking zone near the notch tip of rock specimen in compression shear fracture.
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。
Finally, this paper gives a shape equation of rock compression shear fracture nucleus describing the microcracking zone.
应用裂纹顶端应力场的精确解，详细讨论了混凝土裂纹顶端的微裂区，并将其与局部解所得的结果进行了比较；进而研究了因应力松驰引起的微裂区的改变。
The microcrack zone concrete is deeply analyzed by using the exact solution of crack tip stress field and is compared to the result from the local solution.
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