老口航运枢纽工程泄水闸坝下游浮箱式叠梁检修闸门设计

Design of downstream maintenance gate of floating-box stop log type for Laokou Navigation Complex

老口航运枢纽是一座以航运、防洪为主,结合发电,兼顾改善南宁市水环境等效益的水资源综合利用工程。泄水闸坝设有13个闸孔,孔口宽度达22 m,根据本工程特点,下游检修闸门采用浮箱叠梁钢闸门,本文对浮箱叠梁钢闸门的设计特点、设计过程进行了详细介绍,分析了其优缺点。

Laokou Navigation Complex is a multipurpose project privileged to navigation and flood control incorporat⁃ing with power generation,improvement of water environment in Nanning City.Its discharge sluice dam is designed with 13 gate holes each with a width of 22m.The downstream maintenance gate was designed as steel gate of float⁃ing-box stop log type according to the characteristics of this project.A detailed introduction was made on the design characteristics,design process,advantages and disadvantages of the steel gate of floating-box stop log type.