From: Reliability Assessment of HFRC Slabs Against Projectile Impact
Random variable | Nominal | Bias factor | Coefficient of variation (COV) | Distribution | References |
---|---|---|---|---|---|
HFRC slab | |||||
 Concrete density, \(\rho_{c}\) (kg/m3) | 2500 | 1.05 | 0.10 | Lognormal | Choudhury et al. (2002) |
 Concrete strength, \(f_{c}^{'}\) (MPa) | Variable | 1.10 | 0.10 | Lognormal | Siddiqui et al. (2014b) |
 Thickness of slab, H (mm) | 90 | 1.00 | 0.05 | Normal | Choudhury et al. (2002) |
 Reinforcement ratio, r (%) | 0.708 | 1.10 | 0.10 | Normal | Siddiqui et al. (2014b) |
 Steel rebar spacing, cr (mm) | 100 | 0.90 | 0.05 | Lognormal | Assumed |
 Reinforcing index, RIv | Estimateda | 1.10 | 0.12 | Lognormal | Assumed |
Projectile | |||||
 Mass of the projectile, M (kg) | 0.8 | 1.10 | 0.05 | Lognormal | Penmetsa (2005) |
 Diameter of the projectile, d (mm) | 40 | 1.05 | 0.05 | Normal | Penmetsa (2005) |
 Impact velocity, V0 (m/s) | Variable | 0.90 | 0.10 | Extreme type I | Choudhury et al. (2002) |