三里坪水利水电枢纽金属结构设计

Design of metal structure of Sanliping Hydropower Station

三里坪水利枢纽金属结构按工程布置分为引水发电系统闸门及启闭设备、泄洪系统闸门及启闭设备和施工导流临时设施闸门及启闭设备。介绍了金属结构总体布置设计以及闸门(拦污栅)和启闭机在各系统中的功能;阐述了枢纽工程金属结构设备的设计原则及主要设计参数、结构型式和主要部件的材料选取,并对中孔的主纵梁式弧形闸门作了重点分析。以供同类工程金属结构设计借鉴。

The engineering layout of metal structure of Sanliping Hydropower Station includes gate and hoisting system of water diversion and power generation system,hoisting equipment and gate of flood discharge system,hoisting equipment and gate of temporary facility for construction diversion.The overall layout design of metal structure and the functions of trash rack and hoisting equipment in the corresponding system are introduced.The design principle and main design parameters,structure type and material selection of major components of the metal structure device are described.And the arch gate of main-longitudinal-girder type for middle sluice is focused.