白鹤滩水电站左岸压力管道竖井钢衬回填施工关键技术研究  

Study on the Key Technology of Steel Lining Backfilling for the Pressure Pipe Shafts on the Left Bank of Baihetan Hydropower Station

作　　者：钟云光[1] ZHONG Yunguang(Sinohydro Bureau 7 Co., LTD, Chengdu, Sichuan, 610213)

机构地区：[1]中国水利水电第七工程局有限公司,四川成都610213

出　　处：《四川水力发电》2021年第6期70-73,共4页Sichuan Hydropower

摘　　要：基于白鹤滩水电站左岸8条压力管道竖井具有的直径大、深度大、结构复杂及安全风险大等特点,阐述了对压力管道竖井段压力钢管安装和混凝土回填施工运用的新工艺、新技术,成功开发了升降施工平台式内支撑和可移动式混凝土旋转分料系统,提高了施工效率,降低了施工安全风险,确保了施工质量并取得了两项实用新型专利成果,旨在为类似工程施工提供参考。This paper introduces the new techniques and technologies for the installation of penstocks and concrete backfilling for the pressure pipe shafts based on the eight pressure pipe shafts on the left bank of Baihetan Hydropower Station,which have the characteristics of large diameter,large depth,complex structure,high safety risk and so on.A lifting construction platform with internal support and a movable concrete distribution system are developed to improve construction efficiency,reduce construction risks,and ensure construction quality.And this technology has been authorized for two utility model patents and can provide reference for the construction of similar projects.

关 键 词：压力钢管 升降施工平台式内支撑 可移动式混凝土旋转分料系统 施工技术 白鹤滩水电站 

分 类 号：TV7[水利工程—水利水电工程] TV52