铅丝笼丁坝设计参数的变化对垂线平均流速的影响  

The Influence about the Changes of Gabion Groin Design Parameter to the Longitudinal Vertical Velocity Distribution

作　　者：王燕燕[1] 刘焕芳[1] 王振[1] 

机构地区：[1]石河子大学水利建筑工程学院,新疆石河子832003

出　　处：《中国农村水利水电》2014年第7期136-138,142,共4页China Rural Water and Hydropower

基　　金：石河子大学高层次人才启动资金专项项目"桩式透水丁坝群水沙运动性能研究"(RCZX200937)

摘　　要：丁坝作用后,靠近丁坝侧流速减小,另一侧流速加大,坝后出现回流区。但不同设置参数的铅丝笼丁坝作用后丁坝附近的流速分布又有很大的差别。通过定床试验,选择不同的坝长,挑角和透水性的丁坝展开试验,对丁坝附近的纵向垂线流速分布进行详细的量测,分析后得出丁坝设置参数的变化对丁坝附近的流速场的影响规律。The velocity close to the groin side decreased after the role of the groin, while the other side increased and there was a re- circulation zone after the dam. However, There is a great difference between the distribution of the velocity near the dam in the role of the different parameters of gabion. This paper has detailed measurement on the velocity distribution of the longitudinal vertical a- lignment near the spur dike through the fixed bed model test, the choice of dam long, pick angle and hydraulic permeability. And the analysis indicates the influence law of spur dike＇s changing parameters on the velocity field near the spur dike

关 键 词：铅丝笼丁坝 设计参数 流速场 流速分布 

分 类 号：TV863[水利工程—水利水电工程]