Behavior of Corrugated Web I-Girders under In-Plane Loads
Publication: Journal of Engineering Mechanics
Volume 132, Issue 8
Abstract
A theoretical formulation of the linear elastic in-plane and torsional behavior of corrugated web I-girders under in-plane loads is presented. A typical corrugated web steel I-girder consists of two steel flanges welded to a corrugated steel web. Under a set of simplifying assumptions, the equilibrium of an infinitesimal length of a corrugated web I-girder is studied, and the cross-sectional stresses and stress resultants due to primary bending moment and shear are deduced. The analysis shows that a corrugated web I-girder will twist out-of-plane simultaneously as it deflects in-plane under the action of in-plane loads. In the paper, the in-plane bending behavior is analyzed using conventional beam theory, whereas the out-of-plane torsional behavior is analyzed as a flange transverse bending problem. The results for a simply supported span subjected to a uniformly distributed load are presented. Finally, finite element analysis results are presented and compared to the theoretical results for validation.
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Acknowledgments
This research was conducted at the Advanced Technology for Large Structural Systems (ATLSS) Center at Lehigh University. The writers are grateful for the financial support of the ATLSS Center, the Federal Highway Administration (FHWA), the Pennsylvania Department of Transportation (PennDOT), and the Pennsylvania Infrastructure Technology Alliance (funded by a grant from Pennsylvania Department of Community and Economic Development). The opinions, findings, and conclusions expressed in the paper are the writers’, and do not necessarily reflect the opinions of those acknowledged here.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 132 • Issue 8 • August 2006
Pages: 806 - 814
Copyright
© 2006 ASCE.
History
Received: Jan 3, 2005
Accepted: Jan 3, 2006
Published online: Aug 1, 2006
Published in print: Aug 2006
Notes
Note. Associate Editor: Bojan B. Guzina
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