Novel composite beam element with bond-slip for nonlinear finite-element analyses of steel/FRP-reinforced concrete beams

Lin, X and Zhang, Y 2013, 'Novel composite beam element with bond-slip for nonlinear finite-element analyses of steel/FRP-reinforced concrete beams', Journal of Structural Engineering (United States), vol. 139, no. 12, 06013003, pp. 1-6.


Document type: Journal Article
Collection: Journal Articles

Title Novel composite beam element with bond-slip for nonlinear finite-element analyses of steel/FRP-reinforced concrete beams
Author(s) Lin, X
Zhang, Y
Year 2013
Journal name Journal of Structural Engineering (United States)
Volume number 139
Issue number 12
Article Number 06013003
Start page 1
End page 6
Total pages 6
Publisher American Society of Civil Engineers
Abstract A new one-dimensional two-node layered composite beam element that accounts for the bond-slip between reinforcing bars and surrounding concrete is presented for nonlinear analysis of steel/fiber-reinforced polymer (FRP) concrete beams. A layered approach is used not only to represent the nonlinear material property accurately but also to model the bond-slip effect between the reinforcing bars and the concrete. In addition to the typical transverse displacement and rotation at the two nodes of the beam element, additional nodal degrees of freedom are introduced to represent the axial displacements of the reinforcements to account for bond-slip effect. Timoshenko's beam functions are employed for the displacement shape functions, and shear locking is avoided naturally. The element is validated against numerical examples and demonstrated to be accurate and computationally efficient for the analysis of steel/FRP-reinforced concrete beams with bond-slip.
Subject Structural Engineering
Keyword(s) Composite beam element
Bond-slip
Layered approach
Nonlinearity
Steel/FRP-reinforced concrete beams
Analysis and computation
DOI - identifier 10.1061/(ASCE)ST.1943-541X.0000829
Copyright notice © 2013 American Society of Civil Engineers
ISSN 0733-9445
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Citation counts: TR Web of Science Citation Count  Cited 12 times in Thomson Reuters Web of Science Article | Citations
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