| 碾压混凝土拱坝诱导缝应力强度因子计算 |
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| 引用本文： | 魏述和,张洪海. 碾压混凝土拱坝诱导缝应力强度因子计算[J]. 水利科技与经济, 2006, 12(3): 154-155 |
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| 作者姓名： | 魏述和 张洪海 |
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| 作者单位： | 云南农业大学,水电与建筑工程学院,昆明,650201;云南农业大学,水电与建筑工程学院,昆明,650201 |
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| 摘 要： | 分析了以往关于诱导缝断裂参数理论及实验研究方面的状况,给出碾压混凝土坝诱导缝简化计算模型,应用线弹性断裂力学理论,计算出无限多个共线裂纹缝端应力强度因子KI,并根据相应断裂韧度值计算出诱导缝缝长、缝距与应力之间的关系表达式。
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| 关 键 词： | 碾压混凝土坝 诱导缝 应力强度因子 分析模型 |
| 文章编号： | 1006-7175（2006）03-0154-02 |
| 收稿时间： | 2005-10-09 |
| 修稿时间： | 2005-10-09 |
Analysis of Stress Intensity Factor in Inducing Joint Transection of RCC Dams |
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| WEI Shu-he,ZHANG Hong-hai. Analysis of Stress Intensity Factor in Inducing Joint Transection of RCC Dams[J]. Water Conservancy Science and Technology and Economy, 2006, 12(3): 154-155 |
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| Authors: | WEI Shu-he ZHANG Hong-hai |
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| Abstract: | This paper Reviews and analyses the theoretical and experimental researches on the induced joint fracture parameter.Then offering the simplified calculation model of rolled compacted concrete dams using the theory of elastic fracture mechanics,the paper figures out stress intensity factor of infinite collinear cracks in cycle and the relationship between stress,length and distance of inducing joint accordance with fracture toughness. |
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| Keywords: | rolled compacted concrete dams inducing joint stress intensity factor analysis model |
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