摘要
叙渝段航道整治建筑物坝面维修受上游金沙江、岷江枢纽电站的非恒定流影响明显。基于近年李庄、朱沱两站逐时水位资料,分析了两站水位变化特征。根据低水位集中、日变幅最小的原则提出了宜宾—合江、合江—重庆河段航道整治建筑物坝面维修的最佳施工时间,为保证坝面的质量,可适当减小坝面厚度或采取分段施工的方法。
The regulation structure’s surface maintenance in Yibin to Chongqing section of the Yangtze river is affected by unsteady flow caused by hydropower stations in the Jinsha River and Minjiang River.Based on the hourly water level data of Lizhuang station and Zhutuo station in recent years,we analyze the characteristics of the water level change of two stations.The best time of regulation structure surface maintenance in Yibin to Hejiang section and Hejiang to Chongqing section of the Yangtze River is put forward.In order to ensure the quality of structure surface,the thickness of regulation structure surface could be decreased,or section construction could be adopted.
作者
范鹏朋
陈希
曾涛
庹莜葭
张文江
FAN Peng-peng;CHEN Xi;ZENG Tao;TUO You-jia;ZHANG Wen-jiang(Changjiang Chongqing Harbor and Waterway Engineering Investigation and Design Institute,Chongqing 401147,China)
出处
《水运工程》
北大核心
2018年第9期156-160,共5页
Port & Waterway Engineering
关键词
非恒定流
长江叙渝段
航道整治建筑物
unsteady flow
Yibin to Chongqing section of the Yangtze River
regulation structure
