This paper studies the characteristics of ground vibrations, due to metro trams and their propagation laws. The study consists of the simulations of the train-track system vibration, which provides the excitation loads of moving trains onto the tunnel structure, and the calculation of the track-tunnel-ground system vibration, by which the propagation properties of ground accelerations and velocities are studied. The main results show that there exists a vibration amplifying area in certain distance away from the tunnel center, where the ground accelerarations may become higher by certain level, and the ground peak velocities PPV may get greater than the allowable limit. The safety of buildings within this area would be influenced by the train-induced vibrations of the metro system. and thus attention should be paid to this problem.


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    Title :

    Analysis of metro train induced ground vibrations and their influence on the safety of nearby buildings


    Additional title:

    Analyse der durch eine Untergrundbahn ausgelösten Erdbodenschwingungen und deren Auswirkungen auf die Sicherheit nahegelegener Gebäude


    Contributors:
    Xia, He (author) / Zhang, Nan (author) / Cao, Yanmei (author)


    Publication date :

    2006


    Size :

    6 Seiten, 9 Bilder, 2 Tabellen, 5 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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