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    Effect of anisotropy on fracture toughness of sandstone by SCB specimen

    Access Status
    Fulltext not available
    Authors
    Funatsu, T.
    Takahashi, T.
    Kuruppu, Mahinda
    Date
    2012
    Type
    Conference Paper
    
    Metadata
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    Citation
    Funatsu, Takahiro and Takahashi, Takehara and Kuruppu, Mahinda. 2012. Effect of anisotropy on fracture toughness of sandstone by SCB specimen, in Han, K.C. and Park, C. and Kim, J.D. and Jeong, S. and Song, J.J. (ed), ARMS7 - The 7th Asian Rock Mechanics Symposium, Oct 15-19 2012, pp. 413-418. Seoul, South Korea: Korean Society of Rock Mechanics.
    Source Title
    The Present and Future of Rock Engineering
    Source Conference
    ARMS7 - The 7th Asian Rock Mechanics Symposium
    Additional URLs
    https://www.onepetro.org/conference-paper/ISRM-ARMS7-2012-041
    URI
    http://hdl.handle.net/20.500.11937/20277
    Collection
    • Curtin Research Publications
    Abstract

    The deformation and strength properties of rocks are often affected by internal structures of rock, such as bedding planes, microcracks, etc. These structures may cause the mechanical anistorpy, and crack growth may be also affected the internal structures. In this study, we use the sedimentary rock sample having the bedding planes. There are two main aims in this study. The purposes of this research are: 1) To investigate relationship between fracture toughness and loading axis with respect to bedding planes. 2) To investigate relationship between fracture toughness and other mechanical properties of rock. The mechanical properties investigated other than fracture toughness are uniaxial compressive strength, Young’s modulus, Poisson’s ratio and P-wave velocity. The experimental results indicate that Kimachi sandstone shows anisotropic properties of Young’s modulus, tensile strength and mode I fracture toughness, but little anisotropy of uniaxial compressive strength, Poisson’s ratio and P-wave velocity.

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