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Nonlinear Analysis of AFRP Connections of Reinforced Concrete Bridge Decks
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.
Nonlinear Analysis of AFRP Connections of Reinforced Concrete Bridge Decks
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.
Nonlinear Analysis of AFRP Connections of Reinforced Concrete Bridge Decks
Grose, Siafa Anthony (author) / Shokouhian, Mehdi (author) / Head, Monique (author)
Structures Congress 2018 ; 2018 ; Fort Worth, Texas
Structures Congress 2018 ; 112-129
2018-04-17
Conference paper
Electronic Resource
English
Nonlinear Analysis of AFRP Connections of Reinforced Concrete Bridge Decks
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