长江弯曲型河段泥沙淤积特性分析  

Analysis of sedimentation deposition in curved reach of the Yangtze River

作　　者：张帅帅[1,2] 杨胜发[1,2] 何洋[1,2] 吴国茂[1,2] 

机构地区：[1]重庆交通大学国家内河航道整治工程技术研究中心,重庆400074 [2]重庆交通大学水利水运工程教育部重点实验室,重庆400074

出　　处：《水运工程》2013年第3期153-157,共5页Port & Waterway Engineering

基　　金：国家"十二五"科技支撑计划(2011BAB09B01);重庆交通大学研究生创新基金(20120103)

摘　　要：利用三峡水库成库初期实测资料分析长江典型弯曲型河段龙王沱以及牛屎碛河段的泥沙淤积特性。结果表明:龙王沱河段呈现累积性淤积态势,龙王沱累积性淤积了67.8万m3,牛屎碛河段从2007年开始淤积,主要淤积在深槽。2008年持续淤积,到2010年5月,牛屎碛河段共淤积了20.8万m3。从长远来看,随着水库水位的进一步抬高,弯曲型河段的泥沙淤积将进一步加重,对可能出现的航道碍航问题应引起足够的重视。Based on the field data on early stage of the Three Gorges Reservoir,we analyze the sedimentation deposition in the typical curved reach of Longwangtuo and Niushiqi,which shows that Longwangtuo reach emerges a cumulative deposition trend,and the cumulative deposition is about 0.678 million cubic meters;Niushiqi reach started deposition from 2007,and siltation mainly appears in the deep channel.It continued deposition in 2008,and about 0.208 million cubic meters sands were deposited to 2010.From a long-term point of view,deposition in the curved reach will be more serious with the rise of the water level,so it′s necessary to pay enough attention to navigation obstruction possibly occurring.

关 键 词：三峡水库 长江 弯曲型河段 泥沙淤积 

分 类 号：TV145.1[水利工程—水力学及河流动力学]