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    Computational Modeling of Fatigue Performance of an Integrated Crosstie System for Advanced Rapid Transit

    Source: Journal of Performance of Constructed Facilities:;2012:;Volume ( 026 ):;issue: 003
    Author:
    Yail J. Kim
    ,
    Colin MacDougall
    ,
    T. Ivan Campbell
    ,
    Mark F. Green
    DOI: 10.1061/(ASCE)CF.1943-5509.0000215
    Publisher: American Society of Civil Engineers
    Abstract: This paper presents the fatigue behavior of an integrated crosstie system for an Advanced Rapid Transit (ART). The crosstie system consists of steel base plates welded to a hollow structural section, and a concrete guideway slab. The steel-wheeled ART is operated by linear induction motors (LIM) and provides a unique load configuration to the crosstie system, including electromagnetic force and gravity load. To absorb dynamic effects from the ART, elastomeric pads are placed under the base plates. A three-dimensional finite element analysis is conducted to examine the fatigue performance of the crosstie, on the basis of cumulative damage theory. The study focuses on stress progression, displacements, and stress concentrations in the crosstie system subjected to fatigue load of up to three million cycles. The effect of pad deterioration on the fatigue behavior of the crosstie is evaluated. Design recommendations to improve the sustainability of the crosstie system are discussed.
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      Computational Modeling of Fatigue Performance of an Integrated Crosstie System for Advanced Rapid Transit

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    http://yetl.yabesh.ir/yetl1/handle/yetl/57805
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    contributor authorYail J. Kim
    contributor authorColin MacDougall
    contributor authorT. Ivan Campbell
    contributor authorMark F. Green
    date accessioned2017-05-08T21:37:30Z
    date available2017-05-08T21:37:30Z
    date copyrightJune 2012
    date issued2012
    identifier other%28asce%29cf%2E1943-5509%2E0000218.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/57805
    description abstractThis paper presents the fatigue behavior of an integrated crosstie system for an Advanced Rapid Transit (ART). The crosstie system consists of steel base plates welded to a hollow structural section, and a concrete guideway slab. The steel-wheeled ART is operated by linear induction motors (LIM) and provides a unique load configuration to the crosstie system, including electromagnetic force and gravity load. To absorb dynamic effects from the ART, elastomeric pads are placed under the base plates. A three-dimensional finite element analysis is conducted to examine the fatigue performance of the crosstie, on the basis of cumulative damage theory. The study focuses on stress progression, displacements, and stress concentrations in the crosstie system subjected to fatigue load of up to three million cycles. The effect of pad deterioration on the fatigue behavior of the crosstie is evaluated. Design recommendations to improve the sustainability of the crosstie system are discussed.
    publisherAmerican Society of Civil Engineers
    titleComputational Modeling of Fatigue Performance of an Integrated Crosstie System for Advanced Rapid Transit
    typeJournal Paper
    journal volume26
    journal issue3
    journal titleJournal of Performance of Constructed Facilities
    identifier doi10.1061/(ASCE)CF.1943-5509.0000215
    treeJournal of Performance of Constructed Facilities:;2012:;Volume ( 026 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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