| 土石过水围堰过水期最不利工况及其流量确定 |
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| 引用本文： | 胡建明,胡志根,杨学红,肖焕雄.土石过水围堰过水期最不利工况及其流量确定[J].水动力学研究与进展(A辑),2003,18(3):266-270. |
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| 作者姓名： | 胡建明 胡志根 杨学红 肖焕雄 |
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| 作者单位： | 武汉大学水利水电学院,湖北武汉,430072 |
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| 基金项目： | 国家自然科学基金资助项目 ( 5 0 0 790 17) |
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| 摘 要： | 本文系统分析了影响土石过水围堰溢流工况的主要因素，提出衡量最不利工况的指标和确定员不利流量的方法，为土石过水围堰堰体下游护坡结构及消能防冲设施设计提供了理论依据。通过理论计算结果与模型试验现场观测资料数据对比分析，说明提出的过水期最不利流量判别方法是符合实际情况的。
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| 关 键 词： | 土石过水围堰 最不利工况 施工导流 可靠性分析 抗冲流速 过水期 流量 |
| 文章编号： | 1000-4874(2003)03-0266-05 |
| 修稿时间： | 2002年3月30日 |
Determination of the worst operating condition and discharge of overtopped cofferdam during construction stage |
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| HU Jian ming,HU Zhi gen,YANG Xue hong,XIAO Huan xiong.Determination of the worst operating condition and discharge of overtopped cofferdam during construction stage[J].Journal of Hydrodynamics,2003,18(3):266-270. |
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| Authors: | HU Jian ming HU Zhi gen YANG Xue hong XIAO Huan xiong |
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| Abstract: | Factors affecting the operating condition of earth rock overtopped cofferdam was systematically analyzed. A method was worked out for measuring the worst operating condition and determining the worst discharge of overtopped cofferdam during construction stage. The results provide theoretical basis and method selecting overflow discharge for the downstream slope protection structure, energy dissipation and reosion control facilities. Comparison with the results of theoretical calculation and model examination shows the method presented herein is reasonable. |
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| Keywords: | construction diversion earth rock overtopped cofferdam relliability analysis resistant current velocity |
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