Fatigue Performance of Steel-Concrete Composite Continuous Box Girder Bridge Deck

Table 2

Statistical characteristics of the vehicle weight.

Vehicle type	Average vehicle weight (tons)	Variance of vehicle weight (tons)
Two-axle vehicle	8.89	4.92
Three-axle vehicle	21.54	6.93
Four-axle vehicle	32.25	8.85
Five-axle vehicle	39.87	10.42
Six-axle vehicle	38.71	12.87