Reliability Assessment of Steel-Concrete Composite Beams considering Metal Corrosion Effects

Table 10

Mean estimation with 200,000 Monte Carlo samples of the first and total Sobol’s indices the 50-year corroded SCC beams.

Variable	First-order sensitivity Sobol’s indices	Total-order sensitivity Sobol’s indices
X1 ()	0.1100	0.1452
X2 (ha)	0.0177	0.0143
X3 (bf)	0.0280	0.0016
X4 (tf)	0.0270	0.0026
X5 (fck)	0.3589	0.3824
X6 (fu)	0.4518	0.4843