| 预应力闸墩结构设计中几个关键问题的探讨 |
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| 引用本文： | 杨晓红,胡清义.预应力闸墩结构设计中几个关键问题的探讨[J].红水河,2004,23(4):14-18. |
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| 作者姓名： | 杨晓红 胡清义 |
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| 作者单位： | 河海大学水利水电工程学院,江苏,南京,210098;河海大学水利水电工程学院,江苏,南京,210098 |
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| 摘 要： | 在总结大量预应力闸墩设计工程实践经验的基础上，提出了预应力闸墩结构设计的总体步骤以及设计中需重点考虑的问题。并对闸墩设计的几个关键问题(弧门支承体选型问题、闸墩结构预应力度表示方法和选择标准问题、如何合理布置预应力锚束问题、预应力筋和非预应力筋配置比例问题、闸墩裂缝成因及如何控制等)进行了探讨。
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| 关 键 词： | 预应力混凝土 闸墩设计 弧门支承体 裂缝成因 |
| 文章编号： | 1001-408X(2004)04-0014-05 |
| 修稿时间： | 2004年7月5日 |
Study on Some Key Factors in Design of Pre-stressed Pier |
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| YANG Xiao-hong,HU Qing-yi.Study on Some Key Factors in Design of Pre-stressed Pier[J].Hongshui River,2004,23(4):14-18. |
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| Authors: | YANG Xiao-hong HU Qing-yi |
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| Abstract: | General steps and key issues in the design of pre-stressed concrete pier are put forward on the basis of systematic investigation on actual engineering designs. Further discussion is made regarding the key issues in pier design, such as bearing structure, expression method and criterion of the degree of pre-stress forces, location of anchor strings, percentage of pre-stressed and non-prestressed reinforcement, causes for cracks and crack control, and so on and on. |
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| Keywords: | pre-stressed concrete pier design bearing structure of the arch gate causes for cracks |
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