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

Table 9

Mean estimation with 200,000 Monte Carlo samples of the first and total Sobol’s indices for the 20-year corroded SCC beams.

Variable	First order sensitivity Sobol’s indices	Total sensitivity Sobol’s indices
X1 ()	0.1154	0.1166
X2 (ha)	0.0194	0.0154
X3 (bf)	0.0030	0.0014
X4 (tf)	0.0036	0.0023
X5 (fck)	0.3808	0.3839
X6 (fu)	0.4847	0.4844