Construction of a Horizontally Curved Steel I-Girder Bridge. Part I: Erection Sequence
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Volume 11, Issue 1
Abstract
In the case of horizontally curved steel I-girder bridges, girder and cross-frame members are frequently detailed for erection in the no-load condition as a matter of convention. As a result, it is imperative that the erection sequence used to construct such bridges be comprehensively studied to ensure that the no-load condition can be achieved in the field and that significant superstructure component fit-up problems do not occur. The current research investigates the erection of a recently constructed horizontally curved steel I-girder bridge, in which significant difficulties were encountered during erection. The bridge erection is recreated through an analytical simulation using a detailed nonlinear finite element model. The analytical results demonstrate that a condition that closely resembles the no-load condition can be achieved in the field during construction with the proper implementation of temporary support structures; and that the difficulties encountered during the erection of the subject bridge superstructure could not be attributed to the erection scheme followed.
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Acknowledgments
Financial support for this research has been provided by the Pennsylvania Department of Transportation. The views expressed herein are those of the writers and not necessarily those of the Pennsylvania Department of Transportation. Additional information regarding this research may be found in the final report which may be downloaded from the University of Pittsburgh at http://www.pitt.edu/∼cjearls/ForḏCity/Ford-City-Bridge-Report.pdf
References
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Information
Published In
Journal of Bridge Engineering
Volume 11 • Issue 1 • January 2006
Pages: 81 - 90
Copyright
© 2006 ASCE.
History
Received: Mar 22, 2004
Accepted: Mar 8, 2005
Published online: Jan 1, 2006
Published in print: Jan 2006
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