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New insights into the anchorage zones of precast pretensioned 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 are widely used in the construction sector. Nevertheless, optimisation is still possible considering the end zones. These end zones are subject to different types of stress due to the local transmission of the prestress force. In order to optimise these regions, a 3D non-linear finite element model was developed using the Abaqus software. Different from other attempts, a full scale girder with multiple strands is modelled. The accuracy of the FE model was verified by comparing the numerical results with experimental data. A full scale test in a precast concrete plant during normal production is carried out, and a good fit between the experimental and numerical results is obtained. Finally, the model was used to design a girder without end block. The calculation of the additional reinforcement was based on vector plots of the tensile stresses, extracted from the FEM.
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. “New Insights into the Anchorage Zones of Precast Pretensioned Concrete Girders.” In .
APA
Van Meirvenne, K., De Corte, W., Boel, V., & Taerwe, L. (2017). New insights into the anchorage zones of precast pretensioned concrete girders. Presented at the Fracture and Damage Mechanics.
Vancouver
1.
Van Meirvenne K, De Corte W, Boel V, Taerwe L. New insights into the anchorage zones of precast pretensioned concrete girders. 2017.
MLA
Van Meirvenne, Kizzy, Wouter De Corte, Veerle Boel, et al. “New Insights into the Anchorage Zones of Precast Pretensioned Concrete Girders.” 2017. Print.
@inproceedings{8527944,
  abstract     = {Pretensioned concrete girders are widely used in the construction sector. Nevertheless, optimisation is still possible considering the end zones. These end zones are subject to different types of stress due to the local transmission of the prestress force. In order to optimise these regions, a 3D non-linear finite element model was developed using the Abaqus software. Different from other attempts, a full scale girder with multiple strands is modelled. The accuracy of the FE model was verified by comparing the numerical results with experimental data. A full scale test in a precast concrete plant during normal production is carried out, and a good fit between the experimental and numerical results is obtained. Finally, the model was used to design a girder without end block. The calculation of the additional reinforcement was  based on vector plots of the tensile stresses, extracted from the FEM. },
  author       = {Van Meirvenne, Kizzy and De Corte, Wouter and Boel, Veerle and Taerwe, Luc},
  keyword      = {Pretensioned girders,End zones,FEM,Abaqus},
  language     = {eng},
  location     = {Florence},
  title        = {New insights into the anchorage zones of precast pretensioned concrete girders},
  year         = {2017},
}