| 考虑初始等距共线微裂纹列影响的Ⅰ型裂纹体的蠕变断裂分析 |
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| 引用本文： | 齐辉,梁立孚. 考虑初始等距共线微裂纹列影响的Ⅰ型裂纹体的蠕变断裂分析[J]. 哈尔滨工程大学学报, 1992, 0(3) |
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| 作者姓名： | 齐辉 梁立孚 |
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| 作者单位： | 哈尔滨船舶工程学院航天工程系，哈尔滨船舶工程学院航天工程系 |
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| 摘 要： | 利用宏观裂纹-微裂纹相互作用模型和蠕变断裂应力强度因子理论,对具有初始等距共线微裂纹列影响的平面Ⅰ型裂纹体的蠕变断裂问题进行了分析.并给出了混凝土Ⅰ型裂纹体的蠕变断裂应力强度因子与裂纹体初始应力强度因子的关系式.
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| 关 键 词： | 蠕变断裂 微裂纹 混凝土 |
Considering the Influence of Initial Collinear Array of Microcracks Plane I Crack Creep Fracture Analyses |
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| Qi Hui Ling Lifu. Considering the Influence of Initial Collinear Array of Microcracks Plane I Crack Creep Fracture Analyses[J]. Journal of Harbin Engineering University, 1992, 0(3) |
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| Authors: | Qi Hui Ling Lifu |
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| Affiliation: | Dept.of Aerospace Eng. |
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| Abstract: | This paper uses Macrocrack-microcrack interaction model and the theory of stress intensity factors for creep fracture,for cosidering the influence of the initial collinear array of microcracks plane I crack creep fracture problem gives analyses,and obtains concrete plane I crack stress intensity factors for creep fracture with the initial stress intensity factors relation. |
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| Keywords: | creep fracture microcrack concrete |
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