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Moving force identification: A time domain method

Law, S.S. , Chan, Tommy H.T., & Zeng, Q.H. (1997) Moving force identification: A time domain method. Journal of Sound and Vibration, 201(1), pp. 1-22.

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Abstract

The solution for the vertical dynamic interaction forces between a moving vehicle and the bridge deck is analytically derived and experimentally verified. The deck is modelled asa simply supported beam with viscous damping, and the vehicle/bridge interaction force is modelled as one-point or two-point loads with fixed axle spacing, moving at constant speed. The method is based on modal superposition and is developed to identify the forces in the time domain. Both cases of one-point and two-point forces moving on a simply supported beam are simulated. Results of laboratory tests on the identification of the vehicle/bridge interaction forces are presented. Computation simulations and laboratory tests show that the method is effective, and acceptable results can be obtained by combining the use of bending moment and acceleration measurements.

Impact and interest:

133 citations in Scopus
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94 citations in Web of Science®

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ID Code: 12819
Item Type: Journal Article
Additional Information: For more information, please refer to the journal's website (see hypertext link) or contact the author.
Keywords: moving force identification, weigh, in, motion, bridges, loadings, impact
DOI: 10.1006/jsvi.1996.0774
ISSN: 0022-460X
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 1997 Elsevier
Deposited On: 03 Mar 2008
Last Modified: 11 Aug 2011 04:36

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