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

Table 8

Mean estimation with 200,000 Monte Carlo samples of the first and total Sobol’s indices for the 10-year corroded SCC beams.

Variable	First-order sensitivity Sobol’s indices	Total-order sensitivity Sobol’s indices
X1 (tw)	0.0535	0.047
X2 (ha)	0.0244	0.0175
X3 (bf)	0.0093	0.0012
X4 (tf)	0.0109	0.0030
X5 (fck)	0.4155	0.4143
X6 (fu)	0.5232	0.5116