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根据1950年～2007年淮河中游干支流主要测站实测水文资料,分析了中游河段的水沙特性;采用输沙平衡法分析中游河段1985年～2005年沿程冲淤变化规律,在此基础上进一步分析了来流量、行洪区启用状况等因素对泥沙输移的影响,得出了河段冲淤变化与各相关因子的关系;根据干流主要测站现有的床沙和悬沙级配及相应的水沙资料,初步建立淮河中游水流挟沙能力公式。
Based on the measured hydrological data of major stations in the middle and upper reaches of the Huaihe River from 1950 to 2007, the characteristics of water and sediment in the middle reaches of the river were analyzed. The law of erosion and sedimentation along the middle reaches of the middle reaches of the river from 1985 to 2005 was analyzed by using the sediment transport equilibrium method. Based on the further analysis of the impact of traffic and flood discharge on the sediment transport, the relationship between erosion and deposition of the river reach and relevant factors was obtained. Based on the existing bed sand and suspended Sand grading and the corresponding water and sediment data, the initial establishment of the sediment carrying capacity of the Middle Huaihe River formula.