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    Volume 11, Issue 3 (September 1988)

    A Self-Boring Pressuremeter System

    CODEN: GTJOAD

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    Abstract

    The paper describes some of the development work on the Cambridge University version of the self-boring pressuremeter (the so-called “Camkometer”), which has been carried out at the University of Western Australia over a number of years. This work included improvement of the pore-pressure measuring system and development of a deairing system for the pore-pressure transducers, new supply-voltage regulation and signal amplification systems placed down-hole in the instrument itself, test control and data logging using a microcomputer, and a new membrane-protection system. Details of the improved instrumentation are provided. Some test results are included to show that the output from the pore-pressure transducers provides an indication of the “quality” of drilling, especially in clay.


    Author Information:

    Fahey, M
    Lecturer and senior lecturer, University of Western Australia, Nedlands,

    Jewell, RJ
    Lecturer and senior lecturer, University of Western Australia, Nedlands,

    Brown, TA
    Director, T.A. Brown Electronics, Mt. Lawley,


    Stock #: GTJ10005J

    ISSN: 0149-6115

    DOI: 10.1520/GTJ10005J

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    Author
    Title A Self-Boring Pressuremeter System
    Symposium , 0000-00-00
    Committee D18