| 裂缝对预应力混凝土结构耐久性的影响 |
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| 引用本文： | 张德峰,吕志涛.裂缝对预应力混凝土结构耐久性的影响[J].工业建筑,2000,30(11):12-14,65. |
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| 作者姓名： | 张德峰 吕志涛 |
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| 作者单位： | 东南大学土木学院,南京,210096 |
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| 基金项目： | 中国科学院资助项目，59978008， |
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| 摘 要： | 分析了预应力混凝土结构裂缝状态下力筋腐蚀的机理 ,阐述了裂缝及其宽度与力筋腐蚀间的关系 ,并提出了一般环境条件下预应力筋腐蚀的经时模型 ,可供耐久性设计时参考
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| 关 键 词： | 裂缝 预应力筋 腐蚀机理 耐久性 |
THE INFLUENCE OF CONCRETE CRACK ON THE DURABILITY OF PRESTRESSED CONCRETE STRUCTURES |
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| Zhang Defeng,Lu Zhitao.THE INFLUENCE OF CONCRETE CRACK ON THE DURABILITY OF PRESTRESSED CONCRETE STRUCTURES[J].Industrial Construction,2000,30(11):12-14,65. |
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| Authors: | Zhang Defeng Lu Zhitao |
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| Abstract: | This paper analyses the corrosion mechanism of the prestressing steel bars embedded in cracked concrete.The relationship between the crack/crack width and corrosion of steel bars is presented.Moreover the model on the corrosion of the steel bars depending on time is submitted for reference for durability design. |
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| Keywords: | crack prestressing steel bars corrosion mechanism durability |
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