[I-301] Numerical Study on Mechanical Behavior of Intact Composite Twin I-Girder Bridges
キーワード：Numerical study、Twin I-girder、Composite bridge、One-point load test、Finite element analysis
The conventional way of constructing highway bridges uses the multi-girder system as the superstructure. To reduce the bridge construction cost, reducing the number of main girders to twin girder bridge has become more commonly used in highway bridge. To investigate the mechanical behavior of twin I-girder bridges, a small scale of intact composite twin I-girder bridge specimen was tested under one-point load in the middle of one main girder. A numerical model of the specimen was created and nonlinear analysis was performed to investigate the performance of twin I-girder bridges. The accuracy of the model was verified by comparing the nonlinear analysis results and experiment data.
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