Determination of Fracture Toughness of Anisotropic Rocks by Boundary Element Method View Full Text


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Article Info

DATE

2008-08

AUTHORS

C.-C. Ke, C.-S. Chen, C.-H. Tu

ABSTRACT

This paper presents a systematic procedure for determining fracture toughness of an anisotropic marble using the diametral compression test (Brazilian test) with a central crack on the discs. Additionally, a novel formulation to increase the accuracy in Stress Intensity Factor (SIF) calculations using Boundary Element Method (BEM) is applied to determine the stress intensity factors and the fracture toughness of anisotropic rocks under mixed-mode loading. The numerical results show that the SIFs for both isotropic and anisotropic problems are in good agreement with those reported by previous authors. The marble with clear white-black foliation from Hualien (in eastern Taiwan), was selected for the Brazilian tests. Diametral loading was conducted on the Cracked Straight Through Brazilian Disc (CSTBD) specimens to evaluate their fracture toughness. In addition, a new fracture criterion was developed to predict pure mode I, pure mode II or mixed mode (I–II) fracture toughness of the anisotropic marble. The new fracture criterion is based on the examination of mode I, mode II and mixed mode (I–II) fracture toughness for different crack angles and anisotropic orientation. More... »

PAGES

509-538

References to SciGraph publications

  • 1974-09. Strain-energy-density factor applied to mixed mode crack problems in INTERNATIONAL JOURNAL OF FRACTURE
  • 1972-03. Propagation of a crack under general, in-plane tension in INTERNATIONAL JOURNAL OF FRACTURE MECHANICS
  • 1997-11. A general Boundary Element Analysis of 2-D Linear Elastic Fracture Mechanics in INTERNATIONAL JOURNAL OF FRACTURE
  • 1989. Fracture Toughness Determination of Rocks with Core-Based Specimens in FRACTURE OF CONCRETE AND ROCK
  • 1983. Rock Anisotropy and the Theory of Stress Measurements in NONE
  • 1967-07. Fracture of discs containing cracks in SOVIET MATERIALS SCIENCE
  • 1993-12. Fracture mechanics analysis of anisotropic plates by the boundary element method in INTERNATIONAL JOURNAL OF FRACTURE
  • 1965-09. On cracks in rectilinearly anisotropic bodies in INTERNATIONAL JOURNAL OF FRACTURE MECHANICS
  • 1982-04. Combined mode fracture via the cracked Brazilian disk test in INTERNATIONAL JOURNAL OF FRACTURE
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/s00603-005-0089-9

    DOI

    http://dx.doi.org/10.1007/s00603-005-0089-9

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1011169483


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    Turtle is a human-readable linked data format.

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    RDF/XML is a standard XML format for linked data.

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