Research on Fishways for the applicable design to Sabo dams

萨博水坝适用设计鱼道研究

• 批准号: 18560503
• 负责人: YASUDA Youichi
• 金额: $ 2.25万
• 依托单位: Nihon University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2006
• 资助国家: 日本
• 起止时间: 2006 至 2007
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18560503/
• 关键词: Fishwav; Flood Stage; Local Flow; Maintenance; Sabo dam; River Environment; Sediment Transport; Configuration of Fishwa; 砂防施設; 治山ダム; 生態系保全

In this project, hydraulic characteristics of the fishway which is applicable for the upstream and downstream migrations of multi-aquatic animals around Sabo dams have been investigated.In accordance with the investigation on various types of fishways in 2007, the experimental results were summarized as follows :(1) Flow characteristics of the fishway with a V-shaped ditch settled at the weir in Ainoura River. Also, an hourly change of number of the upstream migration for aquatic animals at the upstream of the fishway has been shown. Further, field measurements on velocity and air-entrainment have been compared with experimental results in 1/6 scale model, and the relation between prototype and physical model has been discussed.(2) There are several types of fish-passages proposed by researchers. Especially, pool-type fish-passages have been settled in Japan. The author proposed the pool type fish-passage with a trapezoidal section. The proposed fish-passage was settled in a slit type … More sabo-dam, and there were no sediments in the pools after a big flood. The effect of fish-passage configurations on sediment transport in the fish-passage has been shown by using 4 different types of fish-passages.(3) The flow condition downstream of a trapezoidal weir with a ptotruded fishway has been clarified for several stages of discharge. Also, the effects of the location and the size of the fishway on flow characteristics below the weir have been shown. By installing the protruded fishway at the weir, the flow condition immediately downstream of the weir for several flood stages becomes either symmetric or asymmetric and unstable. By installing the steps on the downstream face of the weir, the flow condition around the fishway is stabilized.(4) Flow characteristics of the fishway with a zigzag route have been investigated for flood stages. The shape of the fishway has been proposed in order that there is no sediment in the turning position of the fishway after flood stage. Hydraulic characteristics in the turning position of the proposed fishway have been shown. Further, the effect of the location of the downstream end of the fishway on flow characteristics downstream of the fishway has been shown. Less

In this project, hydrolulic characteristics of the fishway which is applicable for the upstream and downstream migrations of multi-aquatic animals around Sabo dams have been investigated.In accordance with the investment on various types of fishways in 2007, the experimental results were summarized as follows:(1) Flow characteristics of the fishway with a V-shaped ditch settled at the strange in Ainoura River.同样，已经显示了在鱼道上游的水生动物上游迁移数量的小时变化。此外，对速度和空气嵌入式的现场测量已与1/6量表模型的实验结果进行了比较，并且已经讨论了原型和物理模型之间的关系。（2）研究人员提出了几种类型的鱼类通道。尤其是，日本已经定居泳池型鱼类。作者提出了带有梯形截面的泳池类型鱼类通道。拟议的鱼类通道以缝隙类型定居……更多的sabo-dam，大洪水后，游泳池里没有沉积物。通过使用4种不同类型的鱼条填充物显示了鱼类通构构型对鱼类通道中沉积物传输的影响。（3）梯形奇怪的奇怪的流动条件和ptotruded鱼道的流动条件已被阐明了几个阶段的阶段。同样，还显示了位置和鱼道的大小对奇异下方的流量特征的影响。通过在奇异的奇怪的危险中安装突出的鱼道，几个洪水阶段的奇异阶段的流动状况立即变成对称或不对称且不稳定。通过将台阶安装在奇怪的脸部下游，稳定了鱼道周围的流量状态。（4）已经研究了浮游阶段的鱼道的流动特性。已经提出了鱼道的形状，以便在洪水阶段后的鱼道的转弯位置没有沉积物。已经显示了提议的鱼道转弯位置的液压特性。此外，已经显示了鱼道下游端的位置对鱼道下游流动特性的影响。较少的

项目成果

EFFECT OF ISTALLATION OF DIKE ON FLOW CHARACTERISTICS UPSTREAM OF FISHWAY DURING FLOOD STAGE

洪水期堤坝设置对鱼道上游水流特性的影响

• 发表时间: 2008
• 作者: SHIGEO;MORITA;YOUICHI;YASUDA;RYUUICHI;SHINME
• 通讯作者: SHINME

ELOCITY CHARACTERISTICS AROUND FISHWAY WITH A ZIGZAG ROUTE DURING FLOOD STAGE

洪水阶段锯齿状航道鱼道周围的流速特征

• 发表时间: 2008
• 作者: YOUICHI;YASUDA;SHIGEO;MORITA;RYUUICHI;SHINME
• 通讯作者: SHINME

魚道整備における工学と生態学との連携

鱼道建设中工程与生态的协作

• 发表时间: 2007
• 期刊: 日本水産学会誌, 特集河川管理-ダムと水産 73
• 作者: Youichi Yasuda;Iwao Ohtsu;Masayuki Takahashi;安田 陽一
• 通讯作者: 安田 陽一

DISCUSSION OF "FLOW PATTERNS AND ENERGY DISSIPATION OVER VARIOUS STEPPED CHUTES

各种阶梯式溜槽的流动模式和能量耗散的讨论

• 发表时间: 2008
• 期刊: Journal of Irrigation and Drainage Engineering, ASCE Vol. 134, No. 1
• 作者: MASAYUKI;TAKAHASHI;YOUICHI;YASUDA;IWAO;OHTSU
• 通讯作者: OHTSU

プール式台形断面魚道の水理特性

水池式梯形断面鱼道水力特性

• 发表时间: 2006
• 作者: TAKASHI;OHNISHI;NAOKI;TAKAHASHI;YOUICHI;YASUDA;IWAO;OHTSU;大西 貴
• 通讯作者: 大西 貴