贺江下游航道优化开发等级研究

发布时间：2018-05-19 10:04

  本文选题：航道等级 + 航道整治　； 参考：《水运工程》2014年04期

【摘要】：贺江下游航道兼有山区河流和渠化河流的特点,枯水季节局部航道出浅,长期以来等级低下,水运发展缓慢,影响了航运效益的发挥。建立了一维数学模型,研究枢纽调度运行条件下贺江下游航道的水位衔接问题、碍航浅滩的长度;并考虑山区河流枢纽渠化河段以及河口入汇自然河段的航道整治宽度、航道疏浚条件下水位的降落程度,分析了贺江航道适宜提高航道等级的可行性与适用条件。最后将碍航浅滩的长度、航道整治宽度和水位的降落程度作为航道优化等级确定的参数,综合确定了贺江下游航道的优化开发等级为Ⅳ级。
[Abstract]:The channel of the lower reaches of he River has the characteristics of both mountainous and channelized rivers. In dry season, the local waterways are shallow, the grades are low for a long time, and the development of water transportation is slow, which affects the exertion of shipping efficiency. A one-dimensional mathematical model is established to study the connection of the water level in the downstream channel of the Hejiang River under the condition of the operation of the hub, which hinders the length of the shoal, and takes into account the channel regulation width of the channelized reach of the mountainous river hub and the natural reach of the estuary into the sink. The fall degree of water level under the condition of channel dredging is analyzed, and the feasibility and applicable conditions of improving the waterway grade in he River Channel are analyzed. Finally, the length of the shoal, the width of channel regulation and the fall degree of water level are taken as the parameters to determine the optimal waterway grade, and the optimal development grade of the downstream channel of Hejiang River is determined to be grade 鈪，

本文编号：1909676