Chapter
May 15, 2014
Application of Multi-Scale Finite Element Modeling in Bridge Seismic Damage and Collapse Analysis
Authors: Guangjun Sun [email protected], Ren Luo [email protected], Ye Zuo [email protected], Hongjing Li, and Xiuli DuAuthor Affiliations
Publication: Challenges and Advances in Sustainable Transportation Systems
Abstract
To improve the calculation efficiency and accuracy of numerical simulation of structure seismic damage, multi-scale finite element modeling is introduced in this paper. Two different treatment schemes of interface coupling between different-scale models by using a force equilibrium condition and a deformation compatibility condition were researched. Finally, a bridge that collapsed in the Wenchuan earthquake is used as an example to illustrate the suggested approach in this paper. A multi-scale finite element model of a bridge was established based on ABAQUS software. The seismic damage and the collapse process were simulated and compared with the actual seismic damage investigation to verify the validity of multi-scale finite element modeling. The research indicates that multi-scale finite element model can be applied to reasonably and effectively simulate the local damage and whole collapse of a complex bridge due to an earthquake, and the treatment scheme by using a force equilibrium condition can meet the stress and deformation compatibility well at the interface between different-scale models.
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© 2014 American Society of Civil Engineers.
History
Published online: May 15, 2014
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ASCE Technical Topics:
- Bridge failures
- Disaster risk management
- Disasters and hazards
- Earthquake engineering
- Engineering fundamentals
- Failures (by type)
- Finite element method
- Geotechnical engineering
- Man-made disasters
- Methodology (by type)
- Model accuracy
- Models (by type)
- Numerical methods
- Numerical models
- Scale models
- Seismic effects
- Seismic tests
- Simulation models
- Tests (by type)
Authors
Affiliations
College of Architecture and Civil Engineering, Beijing University of Technology, Beijing, 100124, China; College of Civil Engineering, Nanjing University of Technology, Nanjing, 210009, China. E-mail: [email protected]
College of Transportation Science and Technology, Nanjing University of Technology, Nanjing, 210009, China. E-mail: [email protected]
College of Civil Engineering, Nanjing University of Technology, Nanjing, 210009, China. E-mail: [email protected]
Hongjing Li
College of Civil Engineering, Nanjing University of Technology, Nanjing, 210009, China
Xiuli Du
College of Architecture and Civil Engineering, Beijing University of Technology, Beijing, 100124, China
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