人民珠江
人民珠江
인민주강
PEARL RIVER
2015年
2期
33-36
,共4页
设计洪水%水面线%分析计算%潭江流域
設計洪水%水麵線%分析計算%潭江流域
설계홍수%수면선%분석계산%담강류역
analysis and calculation%design flood%water surface profile%Tanjiang River
采用以水文比拟法为主的方法及支流逐步叠加法计算了潭江流域的设计洪水，对2种方法的计算成果进行了比较，最终推荐采用以水文比拟法为主计算的设计洪水成果。在此基础上，利用HEC-RAS软件建立了潭江干流一维河网数学模型，计算潭江干流设计水面线，并利用实测及历史调查资料对水面线成果进行合理性检查。结果表明，水面线计算结果与水位站实测排频成果及典型断面历史洪水位成果吻合较好，成果合理，可作为潭江干流堤防加固及其他防洪、排涝工程设施建设的依据。
採用以水文比擬法為主的方法及支流逐步疊加法計算瞭潭江流域的設計洪水，對2種方法的計算成果進行瞭比較，最終推薦採用以水文比擬法為主計算的設計洪水成果。在此基礎上，利用HEC-RAS軟件建立瞭潭江榦流一維河網數學模型，計算潭江榦流設計水麵線，併利用實測及歷史調查資料對水麵線成果進行閤理性檢查。結果錶明，水麵線計算結果與水位站實測排頻成果及典型斷麵歷史洪水位成果吻閤較好，成果閤理，可作為潭江榦流隄防加固及其他防洪、排澇工程設施建設的依據。
채용이수문비의법위주적방법급지류축보첩가법계산료담강류역적설계홍수，대2충방법적계산성과진행료비교，최종추천채용이수문비의법위주계산적설계홍수성과。재차기출상，이용HEC-RAS연건건립료담강간류일유하망수학모형，계산담강간류설계수면선，병이용실측급역사조사자료대수면선성과진행합이성검사。결과표명，수면선계산결과여수위참실측배빈성과급전형단면역사홍수위성과문합교호，성과합리，가작위담강간류제방가고급기타방홍、배로공정설시건설적의거。
The hydrologic analogy method and flow superposition method were used to calculate design flood in Tanjiang River respec-tively. By comparing the two results, the design flood estimation based on the hydrological analogy was recommended. Based on this re-sult, the Tanjiang River 1-D mathematical model was also established to simulate the design water surface profile, Furthermore, the water surface profile reasonableness check was performed through analyzing the observed data and historical surveying data and it showed that the model simulations were in good agreement with the measured result at the water level station and the investigation result of the historical flood stages on typical section. The calculation result of water surface profile is reasonable and can be used as basis of dykes reinforcement and other flood control facilities projects of Tanjiang River.
