长江下游福姜沙北水道近期演变分析及维护对策研究

福姜沙水道分为福姜沙南、中、北3条水道。福北水道开放之初,航道条件较好,河床整体较为稳定。但近年来,随着左岸六助港附近心滩的迅速发展,福北水道上段河床发生了较大的变化,已对航道维护及靖江港运营造成了较大的影响。文章通过分析福北水道近十多年来河床演变及航道条件变化,充分认识其发展规律及演变原因,提出后续维护措施及建议。

Evolution analysis and maintenance countermeasures of north channel of Fujiang shoal in Lower Yangtze River

Fujiang shoal channel is divided into three waterways which are south,middle and north channel.At the beginning,the riverbed was stable.However,with the rapid development of the left channel bar,upper riverbed of north Fujiang shoal channel had changed a lot which caused great effects on the channel maintenance and the operation of Jingjiang harbor.Based on the fluvial processes and channel conditions of north Fujiang shoal channel in past decade,the development rule and evolution reasons were analyzed,and some subsequent maintenance measures and suggestions were put forward.