Methodology and Application of Safety Evaluation of Reinforced Concrete Girder Bridges during Earthquakes

Table 2

Statistical parameters of experimental components.

	Average	Variance	Minimum value	Maximum value
Concrete strength (MPa)	35.3	7.83	23.1	60.6
Longitudinal reinforcement ratio (%)	2.29	1.05	0.53	5.57
Volumetric stirrup ratio (%)	1.01	0.50	0.13	3.04
Aspect ratio	4.64	1.75	1.99	10
Axial load level	0.14	0.13	0	0.7