Research Article

Safety Threshold Determination for Blasting Vibration of the Lining in Existing Tunnels under Adjacent Tunnel Blasting

Table 4

Explosive parameters.

Density (g/cm−3)Detonation velocity (m/s)Detonation pressure (GPa)A (GPa)B (GPa)R1R2ω (GPa)E0 (GPa)

1.045005065.24e476.94.21.00.30.85