PCCP管道结构有限元分析研究
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摘要
我国于1985年引进预应力钢筒混凝土管(PCCP管道)的生产技术以来,PCCP管道制造工艺已基本过关,设备制造也已具有相当水平,唯独对管道结构的研究几乎空白,致使工程技术人员对结构设计方法的选用以及生产过程中出现的问题产生困惑,一直以来国内外专家及工程技术人员不同程度地对管道结构可靠度及耐久性产生担忧。为此,有必要再对PCCP结构进行深入研究,制定符合我国国情的科学合理的设计及制造标准,并通过科学研究指导生产实践。
本文结合PCCP管道在我国水利工程应用中的新形势需要,包括南水北调等重点工程建设需要,重点对管道结构进行有限元分析研究,为建立和完善我国预应力钢筒混凝土管道设计规范及设计程序提供技术依据和支持,推动我国在PCCP科技研究的发展进步。
针对我国在这方面研究严重滞后的事实,本文搜集了国内外在PCCP管道制造及施工方面的文献,结合有限元理论并参考钢筋混凝土结构及压力管道结构分析方法,利用ANSYS软件建立管道结构分析模型并进行仿真分析。论文结合PCCP管道结构设计,模型的建立考虑了材料非线性和状态非线性,同时还考虑了不同材料之间的协调工作。计算分析了PCCP管道在缠丝过程中和施工过程中的管道变形及应力变化情况,描述了整个过程中管道裂缝扩展趋势。
Since China introduced PCCP's production technology in 1985, PCCP's manufacturing process has been basically clearance, equipment manufacturers also have a relatively level, Only the pipe structure study was almost a total blank, Engineering and technical personners were perplexy of the structural design methods used in the production process and the problem of Production, Experts at home and abroad ,engineering and technical personners have been worry have been worry of pipe structural reliability and durability in varying degrees. Therefore, it is necessary to in-depth study of the PCCP structure, Develop scientific design and manufacturing standards in line with the national conditions of China,and guid production through scientific research and practice.
This paper combined with the new situation needs of the PCCP application in China's water conservancy projects, including important projects building such as south-to-north water transfer project. We focus on the pipe structure of finite element analysis. Based on the provision of technical support for the establishment and improvement of China's PCCP design specifications and design procedures,and promote the development and progress of China's PCCP scientific and technological study.
In view of the serious fact that lags behind the fact in this area , This paper collected many literatures on PCCP manufacturing and construction aspects at home and abroad , established pipe structure analysis model simulation analysis with ANSYS software,based on the finite element theory and reference reinforced concrete structure and pressure pipe structure analysis. Papers combined with PCCP pipe structural design, Considered the model of nonlinear materials and nonlinear state, and also taking into account the different materials concorde work. This paper calculated the PCCP deformation and stress changes in the process of wrapping process and pipeline construction , described the pipe cracks expansion trend in the whole process.
本文结合PCCP管道在我国水利工程应用中的新形势需要,包括南水北调等重点工程建设需要,重点对管道结构进行有限元分析研究,为建立和完善我国预应力钢筒混凝土管道设计规范及设计程序提供技术依据和支持,推动我国在PCCP科技研究的发展进步。
针对我国在这方面研究严重滞后的事实,本文搜集了国内外在PCCP管道制造及施工方面的文献,结合有限元理论并参考钢筋混凝土结构及压力管道结构分析方法,利用ANSYS软件建立管道结构分析模型并进行仿真分析。论文结合PCCP管道结构设计,模型的建立考虑了材料非线性和状态非线性,同时还考虑了不同材料之间的协调工作。计算分析了PCCP管道在缠丝过程中和施工过程中的管道变形及应力变化情况,描述了整个过程中管道裂缝扩展趋势。
Since China introduced PCCP's production technology in 1985, PCCP's manufacturing process has been basically clearance, equipment manufacturers also have a relatively level, Only the pipe structure study was almost a total blank, Engineering and technical personners were perplexy of the structural design methods used in the production process and the problem of Production, Experts at home and abroad ,engineering and technical personners have been worry have been worry of pipe structural reliability and durability in varying degrees. Therefore, it is necessary to in-depth study of the PCCP structure, Develop scientific design and manufacturing standards in line with the national conditions of China,and guid production through scientific research and practice.
This paper combined with the new situation needs of the PCCP application in China's water conservancy projects, including important projects building such as south-to-north water transfer project. We focus on the pipe structure of finite element analysis. Based on the provision of technical support for the establishment and improvement of China's PCCP design specifications and design procedures,and promote the development and progress of China's PCCP scientific and technological study.
In view of the serious fact that lags behind the fact in this area , This paper collected many literatures on PCCP manufacturing and construction aspects at home and abroad , established pipe structure analysis model simulation analysis with ANSYS software,based on the finite element theory and reference reinforced concrete structure and pressure pipe structure analysis. Papers combined with PCCP pipe structural design, Considered the model of nonlinear materials and nonlinear state, and also taking into account the different materials concorde work. This paper calculated the PCCP deformation and stress changes in the process of wrapping process and pipeline construction , described the pipe cracks expansion trend in the whole process.
引文
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[2]魏新宇,马念尊,李杏敏.预应力钢筒混凝土管(PCCP)在给水管道工程中的应用[J].管道技术与设备,2001(2):30-32
[3]GB/T 19685-2005.预应力钢筒混凝土管[S].北京:中国国家标准化管理委员会.2005
[4]CECS 140:2002.给水排水工程埋地管芯缠丝预应力混凝土管和预应力钢筒混凝土管管道结构设计规程[S].北京:中国计划出版社.2002
[5]张亚平,曹健.利比亚大人工河工程简介[J].给水排水,1999,25(9):59-61
[6]Richard A.Lewis,P.E.Matt Wheatley,Prestressed Concrete Cylinder Pipeline Evaluation,A Toolbox Approach,Pipelines,ASCE,2003:276-285
[7]A.Almugerhiy Abdullah,Ph.D.,M.Elaish Peafat and M.Enawaa Khalifa,Rehabilitation Management of Pre-StressedConerete Cylinder Pipe Using Remote Field Current/Transformer Coupling(RFEC/TC)and Other Technologies,Pipelines,2003
[8]ANSI/AWWA C301-99.Prestressed concrete cylinder pipe[S].American:American water worker association.1999
[9]ANSI/AWWA C304-99.Design of prestressed concrete cylinder pipe[S].American:American water worker association.1999
[10]朱宇.PCCP管在输水管线施工中关键技术的研究[D].西安:西安建筑科技大学.2006.3:1-12
[11]张彩秀.预应力钢筒混凝土管(PCCP)的有限元分析[D].天津:天津大学.2005.12:3-7
[12]潘一毅.预应力钢筒混凝土管回顾与展望[J].混凝土与水泥制品,2004(6):30-31
[13]郑剑锋.南水北调中线京石段应急工程(北京段)PCCP管道试验段施工经验及建议[J].水利规划与设计.2007(4):67-69
[14]李继平.PCCP管在万家寨引黄工程中的成功应用[J].山西建筑.2007,33(24):365-366
[15]郭永峰.山西引黄PCCP输水工程的实践[J].特种结构.2003,20(4):40-41
[16]钟瑞喜.山西省万家寨引黄工程连接段PCCP管道的施工[J].2007,17(2):293-294
[17]王自本.新疆济乌工程中平行双线PCCP管的施工[J].山西水利科技.2004(2):20-22
[18]张成军,陈尧隆,李宇.大直径预应力钢筒混凝土管道裂缝产生机理与防治研究[J].
[19]张永鸿.预应力钢筒混凝土管生产工艺及性能特征[J].特种结构.2000,17(1):31-33
[20]张社荣,张彩秀,顾辉.预应力钢筒混凝土管(PCCP)设计方法探讨[J].水利水电技术.2005,20(4):10-13,22
[21]孙绍平,王贯明.预应力钢筒混凝土管的特性[J].市政技术.2006,24(2):121-125
[22]李晓克,严振瑞,黄建添等.浅埋式预应力混凝土压力管道结构设计与技术经济比较[J].水利水电技术.2002,33(6)
[23]荣志军,郝满仓,贾宝萍,白鸿莉.谈PCCP与PCP、钢管的比较[J].山西水利科 技.2000(11):48-50
[24]郝满仓.PCCP的缠丝[J].山西水利科技.2003,(147):93
[25]高立晖.PCCP制管设备分析和探讨[J].制冷空调.2002(3):31-33
[26]温开亮.PCCP管线静水压试验方法介绍[J].山西水利.2004(6):61-68
[27]杨宝坤,王克杰,殷冬生.在混凝土输水管中使用预应力冷拉钢丝的研究[J].混凝土与水泥制品,2003(3):20-22
[28]张军.预应力钢筒混凝土管及施工技术[J].工程建设与档案.2005,19(5):368-370
[29]张其军.明挖沟槽PCCP施工方法探讨[J].水利技术监督.2003(4):5-59
[30]唐忠德,应宪.大口径PCCP管施工方法介绍[J].中国给水排水.2002(9):88-90
[31]郭智辉.预应力钢筒混凝上管线轴向推力计算及处理措施[J].山西水利.2006(6):81-82
[32]孙绍平,萧岩,王光明.PCCP保护层应力分析[J].特种结构.2005,22(3):62-64
[33]Mehdi S.Zargharnee EASCE,Daniel W.Eggers,A.M.ASCE,and Rasko EOjdrovic,M.ASCE,Finite-Element Modeling of Failure of PCCP with Broken Wires Subjected to Combined Loads,Pipelines,ASCE,2002:1-17
[34]Mehdi S.Zarghamee,F.ASEC,Daniel W.Eggers,M.ASCE,Rasko Ojdrovic,M,ASCE and Brian Rose,M.ASCE,Risk Analysis of Prestressed Cylinder Pipe with Broken Wires,Pipelines,ASCE,2003:599-609
[35]Youssef Georges Diab and Thomas Bonierbale,A Numerical Modeling and a Proposal for Rehabilitation of PCCP's,Pipelines,ASCE,2004:1-8
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