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长距离输水管道工程管材综合比选
引用本文:何伟,耿祥,张明胜,毛云敏.长距离输水管道工程管材综合比选[J].价值工程,2020,39(3):171-174.
作者姓名:何伟  耿祥  张明胜  毛云敏
作者单位:浙江省水利水电勘测设计院,杭州310002;浙江省水利水电勘测设计院,杭州310002;浙江省水利水电勘测设计院,杭州310002;浙江省水利水电勘测设计院,杭州310002
摘    要:通过常用的大口径输水管道材料钢管、球墨铸铁管及预应力钢筒混凝土管三种管材的综合比较,从管材的技术可行性、安全可靠性及经济合理性上综合考虑,对于DN1800以上主干管,推荐选用施工技术成熟、运行实践稳定、更加经济的Q235B钢管。对于DN1800以下的管道,考虑到如果采用钢管,管节焊缝处的内防腐施工质量不容易保证,会对管道的安全长久运行带来隐患,故考虑采用球墨铸铁管道。

关 键 词:钢管  球墨铸铁管  PCCP管  综合比选

Comprehensive Comparison and Selection of Pipes for Long-distance Water Pipelines
HE Wei,GENG Xiang,ZHANG Ming-sheng,MAO Yun-min.Comprehensive Comparison and Selection of Pipes for Long-distance Water Pipelines[J].Value Engineering,2020,39(3):171-174.
Authors:HE Wei  GENG Xiang  ZHANG Ming-sheng  MAO Yun-min
Institution:(Zhejiang Design Institute of Water Conservancy&Hydro-Electric Power,Hangzhou 310002,China)
Abstract:Through a comprehensive comparison of three types of pipes:steel pipe,ductile cast iron pipe,and prestressed steel tube concrete pipe,which are commonly used as large-diameter water pipeline materials,comprehensive consideration is made from the technical feasibility,safety reliability and economic rationality of the pipes.For main pipes above DN1800,it is recommended to use Q235B steel pipe with mature construction technology,stable operation practice and more economical.For pipelines below DN1800,considering the use of steel pipes,the internal anticorrosion construction quality at the joints of the pipe joints is not easy to guarantee,which will bring hidden dangers to the safe and long-term operation of the pipeline,so the use of ductile iron pipes is considered.
Keywords:steel pipe  ductile iron pipe  PCCP pipe  comprehensive comparison and selection
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