【摘要】：建立了淮河中游洪河口至浮山段一、二維耦合水動力數(shù)學(xué)模型,采用實測洪水過程對模型進(jìn)行驗證,驗證結(jié)果表明,模型具有較高的精度�；谒畡恿�(shù)學(xué)模型,在現(xiàn)狀工況條件下,對1954年型洪水進(jìn)行了調(diào)度模擬分析,研究了臨淮崗洪水控制工程、行蓄洪區(qū)與分洪河道等防洪工程聯(lián)合調(diào)度運用效果。計算結(jié)果表明,對于1954年型洪水,淮河干流行蓄洪區(qū)全部啟用,不啟用臨淮崗工程,蚌埠以上大部分河段水位超保證水位,蚌埠以下河段水位低于保證水位。啟用臨淮崗工程,可以減輕下游的防洪壓力,減少行洪區(qū)啟用數(shù)量,減少行蓄洪區(qū)淹沒面積,同時也增加了上游蓄洪區(qū)和部分河段的淹沒水深和高水位歷時。綜合全河段分析,啟用臨淮崗工程,干流大部分河段水位較低,行蓄洪區(qū)淹沒面積減少,防洪效果較優(yōu)。
[Abstract]:The coupled hydrodynamic mathematical model of the first and second dimensional coupling between the flood estuary and the Fushan in the middle reaches of the Huaihe River is established. The model is verified by the measured flood process. The verification results show that the model has a high accuracy. Based on the hydrodynamic mathematical model and under the condition of present working condition, the operation simulation analysis of 1954 flood was carried out, and the combined operation effect of flood control project, flood storage area and flood diversion channel in Linhuaigang was studied. The calculation results show that for the 1954 flood, the flood storage areas of the main stream of the Huaihe River are all open, but the Linhuaigang Project is not used. The water level of most of the reaches above Bengbu is above the guaranteed water level, and the water level below Bengbu is lower than the guaranteed water level. The application of Linhuaigang Project can lighten the flood control pressure, reduce the number of flood discharge areas, reduce the submerged area of flood storage area, and increase the submerged depth and duration of high water level in upstream flood storage area and part of river reach. According to the analysis of the whole river reach, Linhuaigang Project is put into use, the water level of most of the main stream reaches is low, the flood storage area is reduced, and the flood control effect is better.
【作者單位】： 安徽省(水利部淮河水利委員會)水利科學(xué)研究院;水利水資源安徽省重點實驗室;
【基金】：國家水體污染控制與治理科技重大專項(2014ZX07204-006) 安徽省科技攻關(guān)計劃項目(1501041139)
【分類號】：TV87

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