【摘要】 淮河入江水道是淮河下泄洪水的主要通道，承担来自淮河中上游约66%～79%的洪水，是淮河行洪的安全阀。为了研究南水北调东线二期半专道输水方案对淮海入江水道行洪的影响，建立北抵洪泽湖三河闸、南至长江三江营的一二维水动力数学模型，在设计洪水工况下分析工程方案对入江水道行洪的影响。结果表明：工程实施后，入江水道上段、下段行洪水位低于设计值；中段邵伯湖由于东侧修建隔堤侵占河道，行洪时部分区域水位有少量抬高，当对新民滩南部实施切滩补偿后，可有效消除其影响。更多还原

【Abstract】 The Huaihe River Intake Channel is the main channel for flood discharge from the Huaihe River, bearing about 66%～79% of the flood from the middle and upper reaches of the Huaihe River and is the safety valve for flood discharge in the Huaihe River. In order to study the impact of the semi special road water delivery scheme of the second phase of the east route of the South-to-North Water Transfer Project on the flood discharge of the Huaihai River Channel, a two-dimensional hydrodynamic mathematical model is established to reach the Sanhe Sluice of Hongze Lake in the north and the Sanhe Camp of the Yangtze River in the south, and the impact of the project scheme on the flood discharge of the river channel is analyzed under the design flood conditions. The results show that after the project is implemented, the flood discharge water level of the upper and lower reaches of the river channel is lower than the design value; Since the east side of Shaobo Lake in the middle section has built a partition dike to encroach on the river channel, the water level in some areas has been raised slightly during flood discharge.The impact can be effectively eliminated after beach cutting compensation is implemented in the south of Xinmin Beach.更多还原