The stray current will be generated in the process of metro operation. It is of great significance to study the distribution characteristics of stray current in metro to realize the impact assessment of buried equipment. In this paper, the resistance network model of "rail-drainage net-structural steel reinforce-earth" stray current distribution under double-end power supply mode is established, and the analytical expression of stray current distribution is derived. The variation law of stray current distribution is studied when the locomotive current, the distance between locomotive and substation, the longitudinal resistance of track and the transition resistance of track and ground change. The three-dimensional model of shield metro is built by using MALZ module in CDEGS, and the correctness of the resistance network model is verified. The proposed method clarifies the distribution characteristics of stray current, which has certain guiding significance for effective suppression of stray current and corrosion prediction of buried metal structures.


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    Titel :

    Study on distribution characteristics of metro stray current


    Beteiligte:
    Ni, Yanru (Autor:in) / Yu, Kun (Autor:in) / Zhuo, Chao (Autor:in) / Zeng, Xiangjun (Autor:in) / He, Fangyu (Autor:in) / Leng, Yang (Autor:in) / Han, Wei (Autor:in)


    Erscheinungsdatum :

    02.07.2021


    Format / Umfang :

    3161389 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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