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- W4385602364 abstract "Multi-girder prestressed concrete (PC) bridges represent an integral part of the transportation network in Canada and play an important role toward the socioeconomic development. They were conventionally constructed using precast PC girders erected adjacent to each other and typically connected in the field by steel shear connectors. However, deteriorations and failure of shear connectors were widely observed for these bridges during regular inspections and raised concerns on the functionality and safety of the bridge system. To study the effects of shear connector failure, this paper developed an efficient analysis tool using finite element (FE) modeling for multi-girder PC bridges. For the sake of computational efficiency, 1D fiber beam element was adopted to model each girder, and 1D spring element was adopted to model the shear connectors between adjacent girders to transfer vertical loads. To obtain the load-deformation relationship of shear connectors as an input of spring elements, a 3D continuum-based FE model was developed to simulate the behavior of shear connectors during load transfer. In the end, the influence of shear connector failure was studied by using a nine-girder bridge in Alberta under truck load as a case study. The obtained conclusion can serve as potential guidance for the maintenance and rehabilitation of multi-girder PC bridges." @default.
- W4385602364 created "2023-08-05" @default.
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- W4385602364 date "2023-01-01" @default.
- W4385602364 modified "2023-10-16" @default.
- W4385602364 title "Finite Element-Based Studies on Shear Connector Failure of Prestressed Concrete Multi-Girder Bridges" @default.
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- W4385602364 doi "https://doi.org/10.1007/978-3-031-34159-5_50" @default.
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