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Nonlinear analysis of the end zones of prestressed concrete girders

Kizzy Van Meirvenne (UGent) , Wouter De Corte (UGent) , Veerle Boel (UGent) and Luc Taerwe (UGent)
(2017)
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Abstract
Pretensioned concrete girders have been used for many years in construction. Nevertheless, optimization is still possible, especially regarding the anchorage zones. These are typically subjected to different types of stresses due to the local transmission of the prestressing force. By using a 3D nonlinear finite element model, the stresses and cracks in the anchorage zone due to the prestressing forces can be predicted in a more reliable manner. In this paper two 3D FE models are developed by using the concrete damage plasticity model in Abaqus. In the first model, the load transfer is defined by creating a shear force around each strand. In the second model, the interaction between the strands and the concrete is created by using surface-to-surface contact elements with friction. Finally, to validate the models, the results are compared with strain measurements on a precast beam during production at a precast concrete plant.
Keywords
Pretensioned Girders, End Zones, FEM, Abaqus

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Citation

Please use this url to cite or link to this publication:

Chicago
Van Meirvenne, Kizzy, Wouter De Corte, Veerle Boel, and Luc Taerwe. 2017. “Nonlinear Analysis of the End Zones of Prestressed Concrete Girders.” In .
APA
Van Meirvenne, K., De Corte, W., Boel, V., & Taerwe, L. (2017). Nonlinear analysis of the end zones of prestressed concrete girders. Presented at the PCI convention and national bridge conference.
Vancouver
1.
Van Meirvenne K, De Corte W, Boel V, Taerwe L. Nonlinear analysis of the end zones of prestressed concrete girders. 2017.
MLA
Van Meirvenne, Kizzy, Wouter De Corte, Veerle Boel, et al. “Nonlinear Analysis of the End Zones of Prestressed Concrete Girders.” 2017. Print.
@inproceedings{8512855,
  abstract     = {Pretensioned concrete girders have been used for many years in construction. Nevertheless, optimization is still possible, especially regarding the anchorage zones. These are typically subjected to different types of stresses due to the local transmission of the prestressing force. By using a 3D nonlinear finite element model, the stresses and cracks in the anchorage zone due to the prestressing forces can be predicted in a more reliable manner. In this paper two 3D FE models are developed by using the concrete damage plasticity model in Abaqus. In the first model, the load transfer is defined by creating a shear force around each strand. In the second model, the interaction between the strands and the concrete is created by using surface-to-surface contact elements with friction. Finally, to validate the models, the results are compared with strain measurements on a precast beam during production at a precast concrete plant. },
  author       = {Van Meirvenne, Kizzy and De Corte, Wouter and Boel, Veerle and Taerwe, Luc},
  keyword      = {Pretensioned Girders,End Zones,FEM,Abaqus},
  language     = {eng},
  location     = {Cleveland (Ohio)},
  title        = {Nonlinear analysis of the end zones of prestressed concrete girders},
  year         = {2017},
}