| 体外预应力混凝土结构耐久性问题探讨 |
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| 引用本文： | 熊学玉,吴学淑.体外预应力混凝土结构耐久性问题探讨[J].工业建筑,2004,34(7):20-24. |
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| 作者姓名： | 熊学玉 吴学淑 |
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| 作者单位： | 同济大学,预应力研究所,上海,200092;同济大学,预应力研究所,上海,200092 |
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| 基金项目： | 建设部《建筑结构体外预应力加固技术规程》规范编制的研究项目 |
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| 摘 要： | 分析了体外预应力钢筋的腐蚀机理和混凝土劣化原因 ,在此基础上评述现阶段采取的体外预应力筋的防腐、减振措施以及混凝土耐久性的改善措施。最后 ,结合体外预应力筋的电化学腐蚀原理 ,指出当前体外预应力混凝土结构在耐久性方面仍存在的问题 ,并提出提高其耐久性的建议
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| 关 键 词： | 耐久性 体外预应力筋 腐蚀机理 防腐 减振 |
| 修稿时间： | 2004年4月22日 |
THE STUDY ON THE DURABILITY OF EXTERNALLY PRESTRESSED CONCRETE STRUCTURE |
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| Xiong Xueyu\ Wu Xueshu.THE STUDY ON THE DURABILITY OF EXTERNALLY PRESTRESSED CONCRETE STRUCTURE[J].Industrial Construction,2004,34(7):20-24. |
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| Authors: | Xiong Xueyu\ Wu Xueshu |
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| Abstract: | The corrosion mechanism of externally prestressed tendons and damage mechanism of concrete are analysed.On this basis of analysis,the measures to prevent the erosion of externally prestressed tendons and to improve the durability of concrete are commented.Finally,on the basis of electrochemical corrosion mechanism,the limitations of the protection measures are studied and the suggestions to improve the durability of externally prestressed concrete structure are proposed. |
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| Keywords: | durability\ externally prestressed tendon\ corrosion mechanism\ anticorrosion\ vibration damping |
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