Dynamic Wheel Loads from Bridge Strains: Laboratory Studies

O'Connor, Colin & Chan, Tommy H.T. (1988) Dynamic Wheel Loads from Bridge Strains: Laboratory Studies. Journal of Structural Engineering, 114(8), pp. 1724-1740.


Laboratory tests are described that explore the validity of using bridge measurements to determine not only equivalent static wheel loads but also their dynamic variation with time. A l2.2-m span composite girdcr was loadcd with one to four dynamic loads fixed in location. Acceptable load predictions were obtained from measured strains and cOlnputed bending moments at the one-eighth points of the span. Estimates of dynamic load at a reduced accuracy were also obtained from measured deflections. Accuratc dynamic calibration tests were necessary to find the equivalent beam-bending stiffness used iu the dynamic interpretive analysis and also the strain-bending moment relationships.

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ID Code: 12825
Item Type: Journal Article
Refereed: Yes
Additional Information: For more information, please refer to the journal's website (see hypertext link) or contact the author.
Additional URLs:
Keywords: weigh, in, motion, bridges, loadings, impact factor, design
ISSN: 0733-9445
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 1988 American Society of Civil Engineers (ASCE)
Deposited On: 05 Mar 2008 00:00
Last Modified: 10 Aug 2011 16:34

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