Type I Fracture Toughness Test of Rock-like Materials Based on the Particle Flow Method

<div class="floats-full-page floats-full-page-other"><h2>Table 3</h2><div class="floats-full-page-caption"><div>Particles microscopic parameters of group C.</div></div><div class="floats-full-page-content"><table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="10"><hr /></td></tr><tr class="thead"><td class="align_left" colspan="5">Particle parameters</td><td class="align_center" colspan="5">Parallel bond parameters</td></tr><tr><td class="thead-hr" colspan="10"><hr /></td></tr><tr><td class="align_left">Density (kg × m<sup>−3</sup>)</td><td class="align_center">Ratio of particle size</td><td class="align_center">Contact modulus (GPa)</td><td class="align_center">Contact stiffness (<i>k</i><sub>n</sub> × <i>k</i><sub>s</sub><sup>−1)</sup></td><td class="align_center">Friction coefficient</td><td class="align_center">Bond modulus (GPa)</td><td class="align_center">Ratio of bond stiffness (<i>pb</i>_<i>k</i><sub>n</sub> × <i>pb</i>_<i>k</i><sub>s</sub><sup>−1</sup>)</td><td class="align_center">Normal bond strength (MPa)</td><td class="align_center">Shear bond strength (MPa)</td><td class="align_center">Multiplier of radius</td></tr><tr><td class="align_left">2800</td><td class="align_center">1.66</td><td class="align_center">5.0</td><td class="align_center">3.0</td><td class="align_center">0.8</td><td class="align_center">35</td><td class="align_center">3.0</td><td class="align_center">70</td><td class="align_center">140</td><td class="align_center">1.0</td></tr><tr class="table-tr"><td colspan="10"><hr class="tbody-hr" /></td></tr></table></td></tr></table></div></div>

Table 3 | Type I Fracture Toughness Test of Rock-like Materials Based on the Particle Flow Method

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Table 3: Type I Fracture Toughness Test of Rock-like Materials Based on the Particle Flow Method

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Table 3

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