Vehicle Load Spectrum and Fatigue Vehicle Model of a Long-Span Concrete-Filled Steel Tube (CFST) Arch Bridge Based on Measured Data of Weight-In-Motion System

Table 1

Vehicle data.

Type	Quantity	D1 (m)	d1 (m)	D2 (m)	d2 (m)	D3 (m)	d3 (m)	D4 (m)	d4 (m)	D5 (m)	d5 (m)	G (t)	(t)	Classification
Two-axle I	2521	1.6	0.1									2.3	1.2	1
Two-axle II	654	2.9	0.2									4.7	1.5	2
Two-axle III	218	3.2	0.2									9	2.7
Two-axle IV	781	5.2	0.7									14	7.3	3
Two-axle V	421	7.2	0.5									22	10.6
Three-axle I	114	1.9	0.1	4.8	0.4							7.5	3.8	4
Three-axle II	200	3.6	0.5	1.8	0.4							16	17.9
Three-axle III	1037	5.4	0.8	1.4	1.9							28	11.6	5
Three-axle IV	489	6.5	2.5	3.5	1.5	2.1						35	12.3
Four-axle I	335	1.4	1.8	4.5	0.4	1.4	0					12.8	4.8	6
Four-axle II	817	1.9	0.6	4.1	0.2	1.3	0.2					17	9
Four-axle III	609	1.6	2.6	4.3	0.8	1.4	0.1					26	18.2	7
Four-axle IV	760	3.5	3.3	10.8	2.4	1.3	0					35.4	22.2
Four-axle V	408	4.1	2.6	7.8	1.1	2.9	0.3					45	15.6
Five-axle I	622	1.3	4.1	4.6	2.4	1.3	0.2	1.3	0			15	6.7	V8
Five-axle II	37	2.1	3.2	5.1	3.7	8.4	2.2	1.3	0.2			28	13.5	V9
Five-axle III	13	4.2	2.9	1.4	0.2	8.8	4.8	1.4	0.1			35	16.4
Five-axle IV	3	5.2	2.1	5	3.2	1.4	0.3	1.3	0			46	23.6
Six-axle I	634	1.7	0.3	4.8	2.3	1.3	0.2	1.3	0.1	1.3	0	27	17.4	V10
Six-axle II	806	2.3	0.2	1.3	0.1	5.2	3.6	1.3	0.1	1.3	0	39	23.8
Six-axle III	197	3.9	0.5	1.4	0.2	6.1	1.4	1.4	0.1	1.3	0.2	45	19.6	V11
Six-axle IV	45	3.2	0.8	1.4	0.2	9.5	7.3	1.3	0	1.3	0	53	22.7
Six-axle V	126	1.8	0.2	2.6	0.1	8.2	1.7	1.3	0	1.3	0	68	25.2