太仓浏家港围滩工程对河道影响的二滩潮流数模计算与分析

The analysis on effects of the Liu Jiagang embankment in Taicang city on the river channel by using 2-D mathematical model of tidal flow

采用水深平均二维非恒定潮流数学模型，在经过３个潮次调试和验证计算合理的基础上，计算并论证了太仓浏家港同滩工程对上、下游河道防洪及流场的影响，为该工程可行性研究提供了初步论证依据。计算与分析表明：在代表潮次的潮流条件下，太仓围滩对潮位的最大影响值小于３５ｃｍ，围滩后流速影响达±１０ｃｍ／ｓ的区域集中于围滩四周约１ｋｍ范围之内．

By using 2-D depth-average mathematical model of unsteady tidal flow, the effects of the Liu Jiagang Embankment in Taichang city on flood control and flow field in the upper and lower river reaches are investigated.The calculated results show that the maximum effect on tidal stage is less than 3.5 cm.