[1]耿飞,钱春香.图像分析技术在混凝土塑性收缩裂缝定量测试与评价中的应用研究[J].东南大学学报(自然科学版),2003,33(6):773-776.[doi:10.3969/j.issn.1001-0505.2003.06.022]
 Geng Fei,Qian Chunxiang.Image analysis technique for quantitative testing and evaluation of plastic shrinkage cracks in concrete[J].Journal of Southeast University (Natural Science Edition),2003,33(6):773-776.[doi:10.3969/j.issn.1001-0505.2003.06.022]
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图像分析技术在混凝土塑性收缩裂缝定量测试与评价中的应用研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
33
期数:
2003年第6期
页码:
773-776
栏目:
材料科学与工程
出版日期:
2003-11-20

文章信息/Info

Title:
Image analysis technique for quantitative testing and evaluation of plastic shrinkage cracks in concrete
作者:
耿飞 钱春香
东南大学材料科学与工程系, 南京 210096
Author(s):
Geng Fei Qian Chunxiang
Department of Materials Science and Engineering, Southeast University, Nanjing 210096, China
关键词:
混凝土 塑性收缩裂缝 图像分析 定量评价
Keywords:
concrete plastic shrinkage cracks image analysis quantitative evaluation
分类号:
TU528.0
DOI:
10.3969/j.issn.1001-0505.2003.06.022
摘要:
在普通圆环试模中增加高度不等的径向刚性约束,获得了改进的圆环试模,提高了塑性收缩裂缝的清晰度和有序度.提出了开裂面积率这一能较好地反映试样的抗裂效果的指标.应用图像分析技术,通过用Delphi语言自行编写的处理软件统计数码照片中裂缝区域与选定分析区域像素点的比值,逐步推算出开裂面积率.试验结果证明:该技术具有相对直观、便捷和精确的优势,有利于进行混凝土裂缝的量化研究.
Abstract:
By modifying the conventional round ring mould through adding radial rigid restraints of different heights into it, the visibility and regulation of the plastic shrinkage cracks on the mould are improved, and it is found that the rate of the cracking area can be used as a good indicator of the anti-cracking effect of the sample. An image analysis technique is used to work out the rate of the cracking area by calculating the ratio of pixels between the crack area and the pre-selected area in the digital pictures with a self-developed Delphi software. Test results show that the technique is convenient and accurate, and it can be used for the quantification of cracks in concrete.

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备注/Memo

备注/Memo:
作者简介: 耿飞(1979—),男,硕士生; 钱春香(联系人),女,博士,教授,博士生导师,cxqian@seu.edu.cn.
更新日期/Last Update: 2003-11-20