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Studies on Crack Propagation Resistance of Rocks Based on Hydrofrac Data of Large Specimens

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Fracture of Concrete and Rock

Abstract

The crack propagation resistance of rock, which is independent of the size of the crack for large cracks, was determined by analyzing results of the hydraulic fracturing experiments using the 10 m sized granite specimen at a quarry in Fukushima Prefecture, Japan. The method of analysis was the modified BEM, where the crack was assumed to be expanding as a semi-elliptical crack such that the stress intensity factor was approximately constant along its periphery. It was found that the crack propagation resistance of the granite being independent of crack size is 1.93 MPa·m1/2.

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References

  1. H. Takahashi, T. Shoji and H. Abé, Recent Progress and Future of “Γ” Project at Tohoku University, Japan, EEC/US Workshop on HDR, Brussels, May 28–30, 1986.

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  2. T. Hashida, Fracture Toughness Determination of Rock and Extension Behavior of Hydraulically Created Crack, (in Japanese), Doctoral Thesis, Tohoku University, 1984.

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  3. H. Abé, K. Hayashi and S. Takahashi, Stress Intensity Factors for an Embedded Elliptical Crack near a Cylindrical Cavity, (in Japanese), Trans. JSME, A 5–465 (1985), 1350–1358.

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  4. M. P. Wnuk, Trans. ASME, J. Appl. Mech., 48 (1981), 500–508.

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Author information

Authors and Affiliations

  1. Faculty of Engineering, Tohoku University, Sendai, 980, Japan

    H. Abé (Professor) & T. Hashida (Research Professor)

  2. Institute of High Speed Mechanics, Tohoku University, Sendai, 980, Japan

    K. Hayashi (Associate Professor)

Authors
  1. H. Abé
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  2. K. Hayashi
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  3. T. Hashida
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Editor information

Editors and Affiliations

  1. NSF Science and Technology Center for Advanced Cement-Based Materials, Northwestern University, 60208, Evanston, IL, USA

    Surendra P. Shah

  2. Department of Civil Engineering, Kansas State Univeristy/Seton Hall, 66506, Manhattan, KS, USA

    Stuart E. Swartz

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© 1989 Springer-Verlag New York Inc.

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Abé, H., Hayashi, K., Hashida, T. (1989). Studies on Crack Propagation Resistance of Rocks Based on Hydrofrac Data of Large Specimens. In: Shah, S.P., Swartz, S.E. (eds) Fracture of Concrete and Rock. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-3578-1_34

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  • DOI: https://doi.org/10.1007/978-1-4612-3578-1_34

  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-0-387-96880-3

  • Online ISBN: 978-1-4612-3578-1

  • eBook Packages: Springer Book Archive

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