石油管道受限空间内大口径管道安装施工技术

Installation and Construction Technology of Large Diameter Pipeline in Confined Space of Petroleum Pipeline

摘要: 结合西气东输二线东段南昌–上海支干线钱塘江盾构隧道管道安装，介绍了在受限空间内进行大口径管道安装的关键施工技术及关键施工工序。该施工项目对管道施工队在受限空间内作业提供了经验。

Abstract: Combined with the pipeline installation of the Nanchang-Shanghai branch trunk line of Qiantang River Shield Tunnel in the east section of the second line of west-to-east gas transmission, the key construction technology and key construction procedures of large diameter pipeline installation in restricted space were introduced. The construction project provides experience for the pipeline construction team to operate in restricted space.