长江中游界牌河段已建航道整治工程效果分析  

Effect analysis of regulation project of Jiepai reach in middle Yangtze River

作　　者：刘万利[1,2] 李旺生[2] 朱玉德[2] 张明进[2] 余新明 陆英 

机构地区：[1]清华大学水利水电工程系水沙科学与水利水电工程国家重点实验室,北京100084 [2]交通运输部天津水运工程科学研究所工程泥沙交通行业重点实验室,天津300456 [3]长江航道局,武汉430010

出　　处：《水道港口》2013年第3期232-238,共7页Journal of Waterway and Harbor

基　　金：国家高技术研究发展计划(863计划)课题(2012AA112508);交通运输重大科技专项--黄金水道通过能力提升技术(2011 328 224 30)

摘　　要：界牌河段航道整治工程实施后,航道条件明显改善,如河段中、洪水河势得到了初步控制,航道尺度和流速、流态基本达到了设计标准。由于整治工程实施时机偏晚,工程实施后过渡段位置偏下、河道过宽,主流在鱼嘴前沿摆动空间较大,过渡段航槽不稳定,主支汊易位。在两汊转化的过程中,过渡段进口易出浅。同时,河道内螺山边滩未得到有效控制,在螺山边滩下移过程中,鱼嘴工程受强烈顶冲,其稳定受到威胁,同时鱼嘴部分功能发生了转化,由防守型变为具有一定挑流作用的整治建筑物。After the implementation of the waterway regulation project of Jiepai reach,the channel condition was improved obviously, and river flood was preliminary controlled. The dimensions of the channel, flow velocity, and flow state basically achieved the design standard. Due to the regulation project implementation time being late, after the implementation, shallow position was offset, river channel was broaden, and the mainstream in front of the fish-mouth project waved in large space. The navigable channel in shoal reach was not stable, which made the translocation between main flow and lateral branch in dry season. In the process of the conversion of the two branches,the channel in shoal reach of main branch was shallow and navigation-obstruction. Meanwhile,the Luoshan point bar was not controlled effectively,and the function of the fish-mouth project transformed from the defensive into deflecting flow pattern.

关 键 词：整治工程 效果分析 功能转化 

分 类 号：U617[交通运输工程—船舶及航道工程]