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    Numerical Study of Restrained Joint and Pulling Load for Ductile Iron Pipe in Horizontal Directional Drilling

    Source: Journal of Pipeline Systems Engineering and Practice:;2018:;Volume ( 009 ):;issue: 004
    Author:
    Dong Shun;Yan Xuefeng;Zhang Haifeng;Ma Baosong
    DOI: 10.1061/(ASCE)PS.1949-1204.0000336
    Publisher: American Society of Civil Engineers
    Abstract: As an alternative pipe material, ductile iron pipe (DIP) has been more and more widely used in horizontal directional drilling (HDD) because of its excellent mechanical performance and corrosion resistance. The limited capacity of restrained joints to withstand pulling force severely constrains their application in long-distance crossing projects. The finite-element method (FEM) was used to study the mechanism of joint failure as well as the effect of slope angle, based upon which an approximate solution was developed to estimate the maximum pull capacity of joints. The authors found that joint failure started from the spigot and an appropriate increase of slope angle could improve the maximum pull capacity of joints. Considering pipe angular deflection, a new pullback load estimation model was established and its accuracy was verified by a HDD river crossing project.
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      Numerical Study of Restrained Joint and Pulling Load for Ductile Iron Pipe in Horizontal Directional Drilling

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    contributor authorDong Shun;Yan Xuefeng;Zhang Haifeng;Ma Baosong
    date accessioned2019-02-26T07:33:38Z
    date available2019-02-26T07:33:38Z
    date issued2018
    identifier other%28ASCE%29PS.1949-1204.0000336.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4247895
    description abstractAs an alternative pipe material, ductile iron pipe (DIP) has been more and more widely used in horizontal directional drilling (HDD) because of its excellent mechanical performance and corrosion resistance. The limited capacity of restrained joints to withstand pulling force severely constrains their application in long-distance crossing projects. The finite-element method (FEM) was used to study the mechanism of joint failure as well as the effect of slope angle, based upon which an approximate solution was developed to estimate the maximum pull capacity of joints. The authors found that joint failure started from the spigot and an appropriate increase of slope angle could improve the maximum pull capacity of joints. Considering pipe angular deflection, a new pullback load estimation model was established and its accuracy was verified by a HDD river crossing project.
    publisherAmerican Society of Civil Engineers
    titleNumerical Study of Restrained Joint and Pulling Load for Ductile Iron Pipe in Horizontal Directional Drilling
    typeJournal Paper
    journal volume9
    journal issue4
    journal titleJournal of Pipeline Systems Engineering and Practice
    identifier doi10.1061/(ASCE)PS.1949-1204.0000336
    page4018012
    treeJournal of Pipeline Systems Engineering and Practice:;2018:;Volume ( 009 ):;issue: 004
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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