An Automated Procedure for Assessing Local Reliability Index and Life-Cycle Cost of Alternative Girder Bridge Design Solutions

Table 1

Random variables used in the case study.

No.	Variable	Symbol	Mean value	CoV
1	Steel bar yield strength		570 MPa	0.052
2	Steel bar area		Nominal value	0.020
3	Steel girder yield strength		381.26 MPa	0.070
4	Deviation from concrete cover measure		1 cm	1.000
5	Concrete compression strength		36.55 MPa	0.180
6	Internal forces due to deck self-weight	,	Nominal values	0.010
7	Internal forces due to deck dead loads	,	Nominal values	0.025
8	Internal forces due to deck traffic loads	,	Nominal values	0.200
9	Internal forces due to girder self-weight	, ,	Nominal value	0.080
10	Internal forces due to girder dead loads	, ,	Nominal value	0.025
11	Internal forces and deflection due to global traffic loads	, , ,	Nominal values	0.200
12	Internal forces and deflection due to wind	, , ,	Nominal values	0.200
13	Internal forces and deflection due to thermal action	, ,	Nominal values	0.200