常山江阁底枢纽通航水流条件及方案优化试验研究  

Experimental study on navigation flow condition and scheme optimization of Gedi junction in Changshan River

作　　者：韩康 余凯文 赵建钧[1] 韩昌海[1] HAN Kang;YU Kai-wen;ZHAO Jian-jun;HAN Chang-hai(Nanjing Hydraulic Research Institute,State Key Laboratory of Hydrology Water Resources and Hydraulic Engineering,Nanjing 210029,China)

机构地区：[1]南京水利科学研究院,水文水资源与水利工程科学国家重点实验室,江苏南京210029

出　　处：《水运工程》2021年第8期139-144,共6页Port & Waterway Engineering

摘　　要：常山江阁底枢纽处于"S"形弯曲河段中部,上游引航道处于河道凹岸主槽,下游引航道处于河道下弯道凸岸,引航道口门区及连接段水流条件复杂,流速指标难以满足通航安全要求。针对坝址河段的特点和枢纽设计通航要求,依托1:80正态枢纽整体水力学模型,研究上下游引航道口门区及连接段的通航水流特性,并提出优化布置方案。结果表明,合理疏浚河道并适当调整引航道航线布置,可改善引航道口门区及连接段的水流条件,使口门区流速指标满足通航要求,实现船舶安全通航和枢纽正常运行。The Gedi junction in the Changshan River is located in the middle of the "S"-shaped curved river section. The upstream approach channel is on the concave bank of the river channel, the downstream approach channel is on the convex of the bank, and the flow condition of the approach entrance area and the connecting section is complex, so the velocity index cannot satisfy the requirements of safe navigation. Based on the physical model with a scale of 1:80,we study the navigable flow characteristics of the approaching entrance area and the connecting section of the upstream and downstream approach channel and propose the optimized layout scheme. The results show that reasonably dredging the convex bank along the channel and properly regulating the route layout of the approach channel can improve the navigable flow conditions of the approach entrance area and the connecting section, so that the velocity indexes of the approach entrance area can meet the demand of codes concerning the navigable flow, which achieves safe navigation of ships and normal operation of the hydro-junction.

关 键 词：阁底枢纽 弯曲河段 引航道 口门区 通航水流条件 

分 类 号：U61[交通运输工程—船舶及航道工程]