Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Effect of Post-Earthquake Bed Degradation on Bridge Stability
Earthquake and Typhoon are two major nature hazards in Taiwan. The Chi-Chi Earthquake with a magnitude of 7.3 on Richter scale occurred in central Taiwan on September 21, 1999. On September 14, 2008, nine years after the Chi-Chi Earthquake, Houfeng Bridge, located 4.5 km downstream of the Chelungpu Fault on Da-Chia River, collapsed due to the flood event induced by Typhoon Sinlaku. Three vehicles fell into Da-Chia River and six people died because of the collapse of the bridge. The main objective of this paper is to investigate the relative importance of different scour components in this event. The proposed methodology provides reasonable estimates for various scour components, and indicates that the bed degradation caused by the earthquake and all preceding Typhoon-induced floods contributed 27% to the total scour depth. It implies that the long-term general scour cannot be neglected in the bridge stability analysis.
Effect of Post-Earthquake Bed Degradation on Bridge Stability
Earthquake and Typhoon are two major nature hazards in Taiwan. The Chi-Chi Earthquake with a magnitude of 7.3 on Richter scale occurred in central Taiwan on September 21, 1999. On September 14, 2008, nine years after the Chi-Chi Earthquake, Houfeng Bridge, located 4.5 km downstream of the Chelungpu Fault on Da-Chia River, collapsed due to the flood event induced by Typhoon Sinlaku. Three vehicles fell into Da-Chia River and six people died because of the collapse of the bridge. The main objective of this paper is to investigate the relative importance of different scour components in this event. The proposed methodology provides reasonable estimates for various scour components, and indicates that the bed degradation caused by the earthquake and all preceding Typhoon-induced floods contributed 27% to the total scour depth. It implies that the long-term general scour cannot be neglected in the bridge stability analysis.
Effect of Post-Earthquake Bed Degradation on Bridge Stability
Lu, Jau-Yau (Autor:in) / Hong, Jian-Hao (Autor:in) / Chiew, Yee-Meng (Autor:in)
International Conference on Scour and Erosion (ICSE-5) 2010 ; 2010 ; San Francisco, California, United States
Scour and Erosion ; 797-806
29.10.2010
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Effect of Post-Earthquake Bed Degradation on Bridge Stability
| British Library Conference Proceedings | 2011
Post-earthquake stability of Gerald Desmond Bridge
| TIBKAT | 2015
Post-Earthquake Bridge Inspection Guidelines
| NTIS | 2010
Post-earthquake strength assessment of a steel bridge considering material strength degradation
| Taylor & Francis Verlag | 2021
MANUSCRIPTS - Post-earthquake Prioritization of Bridge Inspections
| Online Contents | 2007