结合数字图像处理技术，提出了判断混凝土裂纹的综合算法。
Combining with digital image processing technology, the algorithm of judging concrete crack was proposed.
对于混凝土裂纹图像，算法能够找出裂纹的走向、长度、平均宽度和最大宽度。
The direction, length, average and maximum width of crack can be found out in any concrete crack image.
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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