Yonjung High-Speed Railway Bridge Assessment Using Output-Only Structural Health Monitoring Measurements under Train Speed Changing

Table 1

Maximum acceleration and deflection measurements.

Train speed; (km/h)	Direction	PSC girder			Steel girder
		Peak Acc. (g)		Def. (mm); 0.5	Peak Acc. (g)		Def. (mm)
		Pas.	Ops.		Pas.	Ops.	0.33	0.5
KTX-165	Iksan to Jungeup	0.680	0.622	1.01	0.342	0.283	2.66	3.19
KTX-169	Iksan to Jungeup	0.562	0.560	1.00	0.279	0.248	2.53	3.04
HEMU-376	Jungeup to Iksan	0.257	0.164	1.06	0.193	0.134	1.84	2.21
HEMU-399	Jungeup to Iksan	0.320	0.223	0.90	0.211	0.126	1.68	2.02
HEMU-403	Jungeup to Iksan	0.343	0.260	0.90	0.209	0.091	1.67	2.00