Research Article
Research on Fracture Characteristics and Energy Dissipation of Hard Rock under the Excitation of Ultrasonic Vibration
Table 1
Mesomechanical parameters of red sandstone.
| | Particle density/(kg/m3) | Particle stiffness ratio | Parallel bond modulus (GPa) | Parallel bond stiffness ratio | Parallel bond radius factor |
| | 2700 | 1.5 | 4.5 | 2.5 | 1 | | Particle contact modulus | Normal bond strength | Tangential bond strength | Friction coefficient | Particle
Size ratio | | 4.8 | 37 | 45 | 0.5 | 1 |
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