Advances in Civil Engineering / 2020 / Article / Tab 1

Research Article

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

Table 1

Particles microscopic parameters of group A.

Particle parametersParallel bond parameters

Density (kg × m−3)Ratio of particle sizeContact modulus (GPa)Contact stiffness (kn × ks−1)Friction coefficientBond modulus (GPa)Ratio of bond stiffness (pb_kn × pb_ks−1)Normal bond strength (GPa)Shear bond strength (MPa)Multiplier of radius

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