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Shock and Vibration
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2019
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Article
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Fig 4
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Research Article
Mass-Stiffness Combined Perturbation Method for Mode Shape Monitoring of Bridge Structures
Figure 4
Typical mode shapes (D-1): (a) first mode, (b) second mode, (c) third mode, and (d) fourth mode.
(a)
(b)
(c)
(d)