Research Article
The Mechanical and Fracturing of Rockburst in Tunnel and Its Acoustic Emission Characteristics
Table 1
Rockburst proneness of granite samples.
| | No. | Elastic Modulus
(GPa) | Uniaxial compressive strength (MPa) | Energy criterion
(kJ/m3) | Level of rockburst tendency |
| | HGY–1 | 61.1 | 72.8 | 74.63 | II | | HGY–2 | 51.8 | 83.6 | 94.03 | II | | HGY–3 | 56.2 | 75.8 | 93.84 | II |
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