Analysis of Flange Transverse Bending of Corrugated Web I-Girders under In-Plane Loads
Publication: Journal of Structural Engineering
Volume 133, Issue 3
Abstract
This paper presents theoretical, experimental, and finite-element analysis results for the linear elastic behavior of corrugated web steel I-girders under in-plane loads. A typical corrugated web steel I-girder consists of two steel flanges welded to a corrugated steel web. Previous research has shown that a corrugated web I-girder under primary moment and shear cannot be analyzed using conventional beam theory alone, and a flange transverse bending analysis is required. A theoretical method, the fictitious load method, is presented herein as an analytical tool for quantifying flange transverse bending in corrugated web I-girders. To validate this method, four-point bending experimental results for a large-scale corrugated web I-girder are presented. The measured flange transverse displacements and flange stresses were in good agreement with the theoretical results especially in regions of constant shear. To gain additional insight, finite- element analysis results for the test girder are presented, and compared to both the experimental and theoretical results.
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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 the Pennsylvania Department of Community and Economic Development). The opinions, findings, and conclusions expressed in this paper are of the writers, and do not necessarily reflect the opinions of those acknowledged here.
References
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 133 • Issue 3 • March 2007
Pages: 347 - 355
Copyright
© 2007 ASCE.
History
Received: Sep 13, 2005
Accepted: Aug 2, 2006
Published online: Mar 1, 2007
Published in print: Mar 2007
Notes
Note. Associate Editor: Jin-Guang Teng
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