论文部分内容阅读
这个模型试验的目的是研究长江南京港新生圩深水泊位附近河床变迁的原因、趋势及其整治措施。模型(水平比尺1:600,垂直比尺1:120)进行了水流情况试验,定床输沙试验以及各种工程方案试验。试验结果,判明了八卦洲右汊冲淤变化的原因及其发展趋势,提出了在八卦洲头做鱼咀工程防止冲刷以稳定右汊河势。在右汊河势稳定后,估计港区就可保持通航水深。如港区水深一旦朝不利方向发展而影响通航时,则还可采用天河口短丁坝方案以减轻淤积。
The purpose of this model test is to study the causes, trends and remediation measures of riverbed changes near the deepwater berths of the Xinxuowu in the Yangtze River. Model (horizontal scale 1: 600, vertical scale 1: 120) carried out water flow test, bed sediment transport test and various engineering test programs. The result of the experiment shows that the reason and the development trend of erosion and siltation in the Gouzhou Island are presented. After the river stabilizes on the right bank, it is estimated that the port area will maintain its navigable depth. If the port water depth once unfavorable direction of development and affect the navigation, you can also use Tianhekou short groin program to reduce siltation.