引用本文:王立辉,谢伟杰,王宗志,程亮,刘克琳,王坤,何岩雨.含多个行洪区的淮干中游段洪水模拟Ⅱ：模型应用[J].水利水运工程学报,2018,(6):30-35
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含多个行洪区的淮干中游段洪水模拟Ⅱ：模型应用
王立辉1, 谢伟杰1,2, 王宗志2, 程亮2, 刘克琳2, 王坤1,2, 何岩雨1
1.福州大学，福建福州;2.南京水利科学研究院水文水资源与水利工程科学国家重点实验室，江苏南京
摘要:
基于所建立的淮河中游洪水演进模型，对正阳关-茨淮新河河口段内行洪区弃用、洪泛区分洪后淮干水位变化进行了计算分析，包括弃用上六坊堤、下六坊堤行洪区对淮河干流水位的影响。结果显示，淮河在遭遇50年一遇和100年一遇洪水情况下，弃用上、下六坊堤行洪区后洪峰水位仅上升2~4 cm，验证了《淮河流域防洪规划报告》中废弃上述两个行洪区的合理性。同时分析了淮河遭遇200年一遇洪水、黄苏段洪泛区弃守分洪对淮干水位的影响。计算结果表明，在弃守分洪后的3~4 d内溃口对应的淮干水位降低10~14 cm，溃口上下游淮干水位也有不同程度下降，可见利用黄苏段分洪可以显著降低淮河干流水位，从而有效保护附近重要堤防的安全，为防洪调度争取更多的时间和空间。
关键词:  洪水演进  MIKE11  淮河中游  行洪区  黄苏段洪泛区
DOI：
分类号:TV122
基金项目:国家重点研发计划资助项目（2016YFC0400910， 2016YFC0400906）； 国家自然科学基金资助项目（51479119，51409169）； 水利部公益性行业科研专项经费项目（201501054）
Flood simulation with multiple flood detention areas in the middle reaches of the Huaihe River Ⅱ: application of flood routing model
WANG Lihui1, XIE Weijie1,2, WANG Zongzhi2, CHENG Liang2, LIU Kelin2, WANG Kun1,2, HE Yanyu1
1.Fuzhou University, Fuzhou;2.State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute， Nanjing
Abstract:
Based on the developed flood routing model for the middle reaches of the Huaihe River, simulation and analysis of the relationships between the abandonment of several flood way districts and influences of flood diversion of specific flood plains upon variations in the water level are carried out in this study. The model is applied to analyze the influences on the water level in the main stream of the Huaihe River with respect to the abandonment of flood way districts of the Shangliufangdi and Xialiufangdi. From the analysis results of the usages of all flood way districts it is found that the peak stage only increases by 2 cm and 4 cm after discarding the Shangliufangdi and Xialiufangdi flood way districts when the Huaihe River suffers from floods with a frequency of 50 years and 100 years respectively. This verifies the rationality of abandoning both the above-mentioned flood way districts. This model is also used to analyze the variation in the water level of the main stream of the Huaihe River with respect to the use of the Huang-su flood plain when the Huaihe River suffers from floods with a frequency of 200 years. The analysis and simulation results show that the corresponding water level of the levee breach in the main stream of the Huaihe River decreases by 10-14 cm after discarding the Huang-su flood plain within 3-4 days. Additionally, the water levels of the upstream and downstream levee breach in the main stream of the Huaihe River also decrease at different degrees. Obviously, the use of the Huang-su flood plain can significantly reduce the water level of the main stream of the Huaihe River, so as to efficiently protect the important embankments nearby and save more time and space for flood control.
Key words:  flood routing  MIKE11  middle reach of Huaihe River  flood way district  Huang-su flood plain
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