| 基于湿度扩散理论的混凝土早期收缩分析 |
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| 引用本文： | 李云峰,吴胜兴.基于湿度扩散理论的混凝土早期收缩分析[J].水力发电,2005,31(12):31-33. |
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| 作者姓名： | 李云峰 吴胜兴 |
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| 作者单位： | 1. 山东科技大学土木建筑学院,山东,青岛,266510
2. 河海大学土木工程学院,江苏,南京,210098 |
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| 基金项目： | 国家自然科学基金资助项目（50278031） |
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| 摘 要： | 混凝土早期收缩开裂是加剧混凝土劣化并导致最终失效的一个重要因素．分析混凝土早期的自由收缩量值是进行收缩开裂研究的基础。为此，基于湿度扩散理论建立了混凝士早期的自生收缩与干燥收缩计算分析模型，经实例验证，计算结果与试验结果有较好的一致性。
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| 关 键 词： | 混凝土 自生收缩 干燥收缩 湿度扩散 |
| 文章编号： | 0559-9342（2005）12-0031-03 |
| 收稿时间： | 08 5 2005 12:00AM |
| 修稿时间： | 2005-08-05 |
Analysis of concrete shrinkage based on the theory of humidity diffusion at early age |
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| Li Yun-feng,Wu Sheng-xing.Analysis of concrete shrinkage based on the theory of humidity diffusion at early age[J].Water Power,2005,31(12):31-33. |
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| Authors: | Li Yun-feng Wu Sheng-xing |
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| Affiliation: | 1.College of Civil Engineering and Architecture, Shandong Universtity of Science and Technology, Qingdao Shandong 266510; 2.College of Civil Engineering, Itohai University, Nanjing Jiangsu 210098 |
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| Abstract: | The early-age shrinkage cracking of contrete is a key to the deterioration of concrete and then to the end of service life of concrete structures. Determination of concrete free shrinkage is the basis of shrinkage cracking research. Analytical ,nodels of the self-shrinkage and dry shrinkage are established in this paper. The calculated results agree well with the experimental resuhs. |
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| Keywords: | concrete autogenous shrinkage drying shrinkage humidity diffusion |
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