| 沙河预应力矩形渡槽施工运行过程受力分析 |
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| 引用本文： | 张建华,杨志超.沙河预应力矩形渡槽施工运行过程受力分析[J].华北水利水电学院学报,2008,29(3). |
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| 作者姓名： | 张建华 杨志超 |
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| 作者单位： | 1. 华北水利水电学院,河南,郑州,450011
2. 河南省河务局,河南,郑州,450003 |
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| 摘 要： | 采用有限元方法对沙河大型预应力矩形渡槽施工、运行过程进行受力分析,给出了施工、运行过程中不同断面几个特殊点的应力变化曲线,讨论了最大拉、压应力出现的部位,并对几个特殊的应力变化曲线进行比较后知,沙河渡槽的强度在施工、运行过程中是绝对安全可靠的.
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| 关 键 词： | 大型预应力矩形渡槽 施工、运行过程 应力变化图 安全可靠 |
Stress Analysis of Shahe Large-scale Prestress Rectangular Flume during the Construction and Operational Processes |
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| ZHANG Jian-hua,YANG Zhi-chao.Stress Analysis of Shahe Large-scale Prestress Rectangular Flume during the Construction and Operational Processes[J].Journal of North China Institute of Water Conservancy and Hydroelectric Power,2008,29(3). |
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| Authors: | ZHANG Jian-hua YANG Zhi-chao |
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| Affiliation: | ZHANG Jian-hua1,YANG Zhi-chao2(1.North China Institute of Water Conservancy , Hydroelectric Power,Zhengzhou 450011,China,2.Yellow River Henan Bureau,Yellow River Conservancy Commission,Zhengzhou 450003,China) |
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| Abstract: | The finite element method is adopted to the stress analysis of construction and operational processes in the Shahe large-scale prestress rectangular flume,it is provided that,the variation stresses charts of particularity points in diversity section during the construction and operational processes,the positions of the maximam pull and press stresses are discussed,and comparing with several special stress variation curves,the result is got that,Shahe flume is absolutely safe and reliable in !the strength. |
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| Keywords: | large-scale prestress rectangular flume the construction and operational processes the variation stresses charts safe and reliable |
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