Vibration Measurements on the Frejlev Mast

Poul Henning Kirkegaard, Lars Pilegaard Hansen

    Research output: Book/ReportReportResearch

    Abstract

    The present report presents full-scale measurements on the Frejlev-mast which is a 200 meter hight guyed steel mast located 10 km. from Aalborg. The goal of the research was to investigate various techniques which could be used to estimate cable forces from vibration measurements. The cables of the Frejlev mast were instrumented in order to measure strains in the cables. However, it was found that the strain signals had a too low signal to noise ratio to be used for further analysis. Since the strain signals could not be used some of the five cables became instrumented with accelerators of cables in three directions were measured three different types of excitation: wind, free-decays and harmonic excitation by shaking the cables by the hand.
    Original languageEnglish
    Place of PublicationAalborg
    PublisherDept. of Building Technology and Structural Engineering, Aalborg University
    Number of pages37
    Publication statusPublished - 1998
    SeriesFracture and Dynamics
    Number105
    VolumeR9814
    ISSN1395-7953

    Keywords

    • Dynamics
    • Guyed Mast
    • Frejlev Mast
    • Vibration Measurements
    • Vibrations

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