Structures Conference 2018
Nonlinear Analysis of AFRP Connections of Reinforced Concrete Bridge Decks
Publication: Structures Conference 2018: Blast, Impact Loading, and Response; and Research and Education
ABSTRACT
Particular emphasis of this study is placed on modeling the panel-to-panel connection. As such, there is a need to evaluate the connection behavior which influenced the connection design shift of non-prestressed deck-to-deck panels using aramid fiber reinforced polymer (AFRP) bars. Due to the non-ductile behavior of the AFRP bars, the vertical displacement at each connection (seam) due to various loading cases is analyzed as a non-linear system. A numerical model of a bridge deck panel-to-panel seam is developed, using COMSOL5.2 a software, and validated by previous published experimental data of similar strip beam tests partitioned from an 18 ft by 16 ft bridge deck with embedded reinforced and non-prestressed longitudinal AFRP bars used in joint. Harmonic forced vibration analysis and strength degradation of each connection are examined for two different cases, with and without a shear plate, to improve the ductility at the member level. The results show that the overall structural performance can be enhanced using shear-plate connections in panel-to-panel connections to increase ductility.
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ACKNOWLEDGMENTS
This research has been partially supported by Maryland State Highway Administration (SHA) and Mid-Atlantic Universities Transportation Center (MAUTC). The content of this paper reflect the views of the author and do not necessarily reflect the official views or policies of the supporting agencies.
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Published In
Structures Conference 2018: Blast, Impact Loading, and Response; and Research and Education
Pages: 112 - 129
Editor: James Gregory Soules, CB&I
ISBN (Online): 978-0-7844-8134-9
Copyright
© 2018 American Society of Civil Engineers.
History
Published online: Apr 17, 2018
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