Block FEM for Time-Dependent Shear-Lag Behavior in Two I-Girder Composite Bridges
Publication: Journal of Bridge Engineering
Volume 12, Issue 1
Abstract
This paper presents a time-dependent finite-element analysis of a two I-girder composite bridge with a concrete slab. The creep and shrinkage of the concrete slab are considered as sources of time-dependent behavior. This analysis, unlike others, includes the shear-lag effect of the concrete slab on the time-dependent behavior of two I-girder bridges. An example calculation is given for a two-span continuous composite bridge with a cracking region in the concrete deck near the interior support. It is shown that the shear-lag effect becomes significant at the edge of the cracking region and at the bridge ends.
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Information & Authors
Information
Published In
Journal of Bridge Engineering
Volume 12 • Issue 1 • January 2007
Pages: 72 - 79
Copyright
© 2007 ASCE.
History
Received: Nov 22, 2004
Accepted: Mar 29, 2005
Published online: Jan 1, 2007
Published in print: Jan 2007
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