压力钢管在大伙房水库输水(二期)工程中的应用

摘要

辽宁省大伙房水库输水二期工程全长260.8km,其中隧洞段长29.1km、管线段长231.7km,隧洞连接段采用压力钢管外包混凝土,长3.52km.本文主要介绍压力钢管制作的工艺过程,分析介绍制作过程中需要注意的主要事项及技术要求.%Liaoning Dahuofang Reservoir Water Conveyance Phase II Project has total length of 260.8km, including tunnel segment length of 29.1km and pipeline segment length of 231.7km.Concrete wrapped by pressure steel pipe is adopted for tunnel connection segment with the length of 3.52km.In the paper, technology process of pressure steel pipe manufacturing is mainly introduced.Main items and technical requirements noted in the manufacturing process are analyzed and introduced.