大藤峡水利枢纽南木副坝取水口拦污栅设计

Design of water intake trash rack for Nanmu auxiliary dam of Datengxia Gorge Hydropower Project

介绍了大藤峡水利枢纽南木副坝灌溉取水口新增拦污栅设计的方案比选情况,推荐采用活动式拦污栅和反钩式栅槽的型式,水下安装的施工方案。该方案节省工程投资,对取水口水工结构和流态影响较小。

An introduction was made on the comparison and selection of adding trash rack design schemes for the ir⁃rigation water intake at Nanmu auxiliary dam of Datengxia Gorge Hydropower Project.The scheme consisting of movable trash rack and reverse hook rack slot and underwater installation are recommended since it requires less construction cost and renders little impact on the hydraulic structure and flow pattern.