Structural Redundancy Assessment of Adjacent Precast Concrete Box-Beam Bridges in Service

Table 1

Statistical parameters of each variable.

Variable	Distribution type	Mean value,	COV
	Normal	0.77 MPa	0.15
	Normal	3 MPa/mm	0.15
	Normal	0.0008 m	0.15
	Normal	201.1 mm^2	0.035
	Normal	380 MPa	0.068