A comparative study of bridge damage due to the Wenchuan, Northridge, Loma Prieta and San Fernando earthquakes |
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| Authors: | Zhiqiang Wang George C Lee |
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| Institution: | 1. Department of Bridge Engineering, Tongji University, Shanghai 200092, China;Department of Civil, Structural, and Environmental Engineering, University at Buffalo, State University of New York, USA
2. Department of Civil, Structural, and Environmental Engineering, University at Buffalo, State University of New York, USA |
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| Abstract: | A comparative study of selected bridge damage due to the Wenchuan, Northridge, Loma Prieta and San Fernando earthquakes is described in this paper. Typical ground motion effects considered include large ground fault displacement, liquefaction, landslide, and strong ground shaking. Issues related to falling spans, inadequate detailing for structural ductility and complex bridge configurations are discussed within the context of the recent seismic design codes of China and the US. A significant lesson learned from the Great Wenchuan earthquake, far beyond the opportunities to improve the seismic design provisions for bridges, is articulated. |
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| Keywords: | bridge damage Wenchuan earthquake Northridge earthquake Loma Prieta earthquake San Fernando earthquake ground motion liquefaction landslide |
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