Table 5 Main physical parameters of the projectile, incident bar, and transmission bar.
From: Damage and reliability analysis of double-arch tunnel without a middle pilot tunnel under blast load
Parameter | Parameter value | Parameter | Parameter value |
|---|---|---|---|
Diameter (mm) | 50 | P-wave velocity (m/s) | 5410 |
Projectile length (mm) | 400 | Elastic modulus (GPa) | 210 |
Incident bar length (mm) | 2000 | Poisson's ratio | 0.28 |
Transmission bar length (mm) | 2000 | Density (kg/m3) | 7810 |