Table 5: Statistical parameters of random variables for the illustrative example.

ParametersMaterialsVariablesMean ( )C.O.V. ( )DistributionSources

Corrosion deterioration rateCarbon steelA70.6  m0.66LN [5, 6]
B0.7890.49
−0.31
Weathering steelA40.2  m0.22LN
B0.5570.10
−0.45
Corrosion Initiation 15 yr0.30LN [7]
Repaint durationT REP20 yr 0.25
Initial crack dimensionStructural steel 0.762 mm0.5LN [14]
Crack growth constantC 0.63
Crack growth exponentm3Constant [15]
Critical crack dimension 0.0254 m
Fracture toughness 43.97 MPa m0.50.19TN [10]
Compressive strengthConcrete 21 MPa 0.19LN [9]
Yield stressSteel 248 MPa0.10
Modulus of elasticityConcrete 30,000 MPa0.20LN [16]
Steel 210,000 MPa0.06
Deck slab thicknessConcrete 191 mm0.20N [14]

C.O.V.: coefficient of variation.
LN: lognormal distribution.
TN: truncated normal distribution.
N: normal distribution.