紧邻船闸布置的鱼道槽身结构选型及应用

针对紧邻船闸布置的鱼道槽身结构选型存在的技术问题,提出在已建枢纽上紧邻船闸扩建鱼道的设计路线。以湘江大源渡枢纽扩建鱼道工程为例,将船闸与鱼道槽身按一体式结构考虑,鱼道结构紧邻二线船闸主体工程布置,并根据鱼道槽身所处船闸位置的不同,合理选择开敞式U形断面、暗涵式拱型等槽身结构断面,既解决了已建枢纽工程中增建鱼道布置的难题,又大大减少了用地和工程投资。

Structure selection and application of fishway groove neighboring lock

In view of the technical problem in structure selection of fishway groove neighboring the lock,we put forward the design technical route for the expansion of the fishway closely neighboring the lock in the existed navigation & hydropower complex.Based on the fishway expansion engineering of Dayuandu navigation & hydropower complex in the Xiangjiang River,the integrated structure which includes the fishway groove and lock is considered,and the fishway structure is arranged closely to the main structure of the second-line lock.The open-type U section or culvert-arch-type section for the fishway groove is selected according to the location of the fishway in the lock.By the scheme,we not only solve the problem of expanding the fishway in the existed navigation & hydropower complex,but also greatly reduce the land consumption and project investment.