Journal of Sensors / 2016 / Article / Tab 3

Research Article

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

Table 3

Models parameters and evaluation for the displacement and acceleration measurements.

TrainParameterPSC girderSteel girder
ValueSt. error (%)-statisticValueSt. error (%)-statistic

Displacement models

KTX0.0010.38386.547
0.9640.01092.9200.9330.01184.223
1.5772.887
0.2930.0973.0230.2560.0554.655
0.7160.2313.0970.7390.1873.959
0.2500.0090.2310.037

HEMU0.002
0.8460.01555.5620.9710.010100.448
8.1391.410
0.0000.0000.2790.0962.897
0.8670.2064.2020.7330.2273.226
0.1450.2560.5660.273

Acceleration models

KTX0.301
0.5360.02223.8740.3660.02018.041
2.1885.770
0.8140.01267.9680.7850.00986.207
0.1720.0208.6760.2750.01914.720
0.0280.0271.0080.018

HEMU1.8880.599
0.6230.02031.6440.1990.0267.521
3.8473.055
0.7440.01548.7100.8470.01365.742
0.2250.0268.7760.1590.0217.733
0.0620.0371.6590.025