Innovative Bridge Condition Assessment from Dynamic Response of a Passing Vehicle
Publication: Journal of Engineering Mechanics
Volume 132, Issue 12
Abstract
An innovative approach for damage assessment of a bridge deck is proposed with the measured dynamic response of a vehicle moving on top of a structure. The simply supported bridge deck is modeled as a Euler–Bernoulli beam. The moving vehicle serves as a smart sensor and force transducer in the structural system. The damage is defined as the flexural stiffness reduction in the beam finite element. The identification algorithm is based on dynamic response sensitivity analysis, and it is realized with a regularization technique from the measured vehicle acceleration measurement. Measurement noise, road surface roughness, and model errors are included in the simulations, and the results indicate that the proposed algorithm is computationally stable and efficient, and the identified results are acceptable and not sensitive to the different parameters studied.
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Acknowledgments
The work described in this paper was supported by Hong Kong Research Grant Council Project No. PolyU 5043/02E.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 132 • Issue 12 • December 2006
Pages: 1372 - 1379
Copyright
© 2006 ASCE.
History
Received: Jun 9, 2005
Accepted: May 17, 2006
Published online: Dec 1, 2006
Published in print: Dec 2006
Notes
Note. Associate Editor: Henri P. Gavin
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