百色水库灌区跨江沉管施工重难点及对策  

Key and difficult issues and countermeasures of cross-rive immersed tube construction in Baise Reservoir Irrigation Zone

作　　者：陈炳贵[1] CHEN Bing-gui(Guangxi Water&Power Design Institute Co.,Ltd.,Nanning 530023,China)

机构地区：[1]广西水利电力勘测设计研究院有限责任公司,南宁530023

出　　处：《广西水利水电》2024年第6期77-81,93,共6页Guangxi Water Resources & Hydropower Engineering

摘　　要：介绍沉管施工的特点以及施工流程,重点探讨了百色水库灌区工程跨江沉管施工的重点、难点内容。分析了沉管施工平台布置、水下基础处理、砂垫层回填、沉管结构下沉、对通航能力的影响等方面,并提出了应对策略与技术措施。An introduction was made on the characteristics and procedures of immersed tube construction,with the emphasis put on the key and difficult issues of the cross-rive immerse tube construction in Baise Reservoir Irrigation Zone.Analysis was made on the layout of immersed tube construction platform,underwater foundation treatment,backfilling of sand cushion layer,sinking of immersed tube structure and the impact on navigation capacity,based on which corresponding countermeasures and technical measures were proposed.

关 键 词：沉管 施工平台 水下石方开挖 水下基础处理 通航影响 百色水库灌区 

分 类 号：TV672[水利工程—水利水电工程]