南京五桥主桥水上施工期航标配布研究

Study on the distribution of navigation mark during the period of construction above water of main bridge of Fifth Nanjing Yangtze River Bridge

南京长江第五大桥位于长江下游南京水道梅子洲汊道左汊中段,计划2017年3月1日正式开工建设,预计2020年11月30日完工。文章中介绍了主桥水上施工方案,对工程河段通航条件进行研究,具体分析了桥梁施工对航道条件与船舶航行的影响,根据相关规范、标准、规定等合理确定了工程水域航道布置调整方案,科学配布了主桥水上施工期航标。

The Fifth Nanjing Yangtze River Bridge, located on the middle section of the left branch of Meizi branch of Nanjing waterway at the downstream of Yangtze River, is planned to begin constructing at March 1,2017 and be finished at November 30, 2020. The water construction scheme of the main bridge was introduced and the navigation condition of the river section of the project was studied. The influence of bridge construction on channel condition and ship navigation has been analyzed. An adjustment plan for watercourse arrangement along the waters was made according to the related norms and standards. The navigation marks were arranged scientifically.