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Structural Control and Health Monitoring
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Structural Control and Health Monitoring
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2024
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Article
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Tab 6
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Research Article
Condition Monitoring and Quantitative Evaluation of Railway Bridge Substructures Using Vehicle-Induced Vibration Responses by Sparse Measurement
Table 6
Comparison of results for the first mode identified by different methods.
Pier no.
Height (m)
Pile cap height (m)
The first mode (Hz)
IVTM
SSI
RD-FFT
148#
6.0
2.5
3.50
3.47
3.50
248#
11.5
2.5
2.63
2.63
2.65
445#
20.5
3.0
2.13
2.14
2.13