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    A modified empirical criterion for strength of transversely anisotropic rocks with metamorphic origin

    191948_191948.pdf (1.298Mb)
    Access Status
    Open access
    Authors
    Saeidi, Omid
    Vaneghi, Rashid
    Rasouli, Vamegh
    Gholami, Raoof
    Date
    2013
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Saeidi, Omid and Vaneghi, Rashid Geranmayeh and Rasouli, Vamegh and Gholami, Raoof. 2013. A modified empirical criterion for strength of transversely anisotropic rocks with metamorphic origin. Bulletin of Engineering Geology and the Environment. 72 (2): pp. 257-269.
    Source Title
    Bulletin of Engineering Geology and the Environment
    DOI
    10.1007/s10064-013-0472-9
    ISSN
    1435-9529
    Remarks

    The final publication is available at Springer via http://dx.doi.org/10.1007/s10064-013-0472-9

    URI
    http://hdl.handle.net/20.500.11937/24189
    Collection
    • Curtin Research Publications
    Abstract

    A modified empirical criterion is proposed to determine the strength of transversely anisotropic rocks. In this regard, mechanical properties of intact anisotropic slate obtained from three different districts of Iran were taken into consideration. Afterward, triaxial rock strength criterion introduced by Rafiai was modified for transversely anisotropic rocks. The criterion was modified by adding a new parameter α for taking the influence of strength anisotropy into consideration. The results obtained have shown that the parameter α can be considered as the strength reduction parameter due to rock anisotropy. The modified criterion was compared to the modified Hoek–Brown (Saroglou and Tsiambaos) and Ramamurthy criteria for different anisotropic rocks. It was concluded that the criterion proposed in this paper is a more accurate and precise criterion in predicting the strength of anisotropic rocks.

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