This case study was carried out to investigate the presence of temperature anomalies that may indicate the existence of a change of the condition of a railway tunnel concrete lining. An infra-red survey was undertaken from the track level, investigating a number of ring sections within the tunnel. The known areas of water seepage were found. A number of other temperature anomalies where found. These findings are shown on the figures. The anomalies were identified by the infra-red thermographic survey despite (a) the worst possible ambient temperature conditions and (b) the infra-red camera could not be positioned far enough away to survey more than one ring at the same time.


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    Titel :

    Infra-red thermographic survey of a railway tunnel


    Weitere Titelangaben:

    Überwachung von Eisenbahntunneln mittels Infrarotthermographie


    Beteiligte:
    Clark, M.R. (Autor:in) / McCann, D.M. (Autor:in) / Forde, M.C. (Autor:in)


    Erscheinungsdatum :

    2001


    Format / Umfang :

    6 Seiten, 9 Bilder, 3 Quellen


    Anmerkungen:

    (Nicht paginiert).



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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