Stress Analysis and Structural Optimization of Steel–Concrete Joint of Zhonghua Road Bridge in Liaocheng

Table 3

Material characteristic values for steel.

Structure	Material	Elastic modulus (GPa)	Poisson’s ratio	Tensile yield strength (MPa)	Compressive yield strength (MPa)
Steel box beam	Q345qD	34.5	0.3	345	345
Steel strand	Low-relaxation high-strength steel strand	40	0.3	1,860	410