| 河道多桥连续壅水分析 |
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| 引用本文： | 郑仰奇,李怀恩,张强,刘任远.河道多桥连续壅水分析[J].水资源与水工程学报,2005,16(3):37-39. |
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| 作者姓名： | 郑仰奇 李怀恩 张强 刘任远 |
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| 作者单位： | 1. 长沙理工大学,河海工程学院,湖南,长沙,410076
2. 西安理工大学,水利水电学院,陕西,西安,710048 |
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| 基金项目： | 教育部高等学校优秀青年教师教学科研奖励计划(青年教师奖2001-282)资助 |
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| 摘 要： | 在实际工程中，经常遇到河段多桥连续壅水计算问题，本文在单座桥梁壅水计算方法的基础上，给出了一种比较简单实用的关于多桥连续壅水高度的计算方法。对于上游任一断面，当其断面处于下游桥梁的壅水范围之内时，它的壅水高度应该是下游桥梁在这个断面产生的壅水高度之和。黄河府谷段多桥连续壅水的实例计算结果表明，多桥连续壅水高度的计算方法简便易行。
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| 关 键 词： | 多桥 桥梁壅水 壅水高度 |
| 文章编号： | 1672-643X(2005)03-0037-03 |
| 修稿时间： | 2004年10月13 |
Analysis of backwater on multi-successive bridges in river course |
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| ZHENG Yang-qi,LI Huai-en,ZHANG Qiang,LIU Ren-yuan.Analysis of backwater on multi-successive bridges in river course[J].Journal of water resources and water engineering,2005,16(3):37-39. |
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| Authors: | ZHENG Yang-qi LI Huai-en ZHANG Qiang LIU Ren-yuan |
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| Institution: | ZHENG Yang-qi~1,LI Huai-en~2,ZHANG Qiang~2,LIU Ren-yuan~2 |
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| Abstract: | In practice,the problem of calculating multi-successive bridge backwater is often encountered. Based on the method for backwater calculation on single bridge, this paper proposes one comparatively easier and practical method about backwater calculation on multi-successive bridges. For any upstream section,if it is effected by the downstream bridges,the height of backwater is the sum of every backwater height occurred by the downstream bridges. The result of backwater calculation on multi-successive bridge in Fugu section of the Yellow river shows that this method is convenient and practical. |
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| Keywords: | multi-successive bridges briges backwater calculation height of backwater |
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