低温环境下长输管道施工的技术保障措施  

Technology Support Measures for Construction of Long-distance Pipeline at Low-temperature Environment

作　　者：缪羽祥[1] 刁凤东[1] 祁香文[1] 张展[1] 葛成吉[1] 

机构地区：[1]中国石油管道第四工程分公司

出　　处：《油气储运》2009年第9期43-45,共3页Oil & Gas Storage and Transportation

摘　　要：针对低温环境影响野外长输管道施工的各种因素,提出了管沟爆破、管沟开挖、焊接、防腐、下沟、回填等施工工序的技术保障措施,列举了低温环境下施工机械和施工人员的防冻保护事项。In the light of impact factors on construction of long-distance pipeline at low-temperature environment.technology support measures involved in the operation sequence of ditch blasting,ditch excavation,welding,pipe coating,lowering-in and backfill are proposed.Requirements in antifreezing and protection of construction equipments and construction persons at low-temperature environment are given.

关 键 词：长输管道 低温施工 技术 防冻 措施 

分 类 号：TU607[建筑科学—建筑技术科学] TG43[金属学及工艺—焊接]