Method used and results obtained in measurement that was conducted at two arbitrary points within long railroad tunnel to estimate existence and dip of fault; detectors were placed on ground surface and oscillations generated by explosion carried out within tunnel at intervals of 10 to 20 m, were observed; equations are given which describe differences in travel time in which elastic waves were propagated from explosion points to detectors.


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    Title :

    Study on method of predicting faults under tunnelling


    Additional title:

    Tokyo. Ry Tech Research Inst -- Quarterly Report


    Contributors:
    Ikeda, K. (author) / Tanaka, T. (author) / Higuchi, I. (author)


    Publication date :

    1967


    Size :

    4 pages


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English


    Keywords :


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