Analysis of flood impact on reinforced concrete(Pre-stressed) girder bridges – a case study

Kalendher, F. and Setunge, S. and Mohseni, H. and Lokuge, W. (2016) Analysis of flood impact on reinforced concrete(Pre-stressed) girder bridges – a case study. In: 8th International Conference on Bridge Maintenance, Safety and Management (IABMAS 2016) , 26-30 Jun 2016, Foz Do Iguacu, Brazil.

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In recent years, frequencies of flood events in Australia have increased. It is noted that flood events cause the most damage to infrastructure compared to any other natural hazards in the world. Bridge structures located over waterways are prone to failure under flood events. Failure of a bridge can impact on the community significantly by reducing the evacuation capability and recovery operations during and after a disaster. A recent research project commenced at RMIT University aims to examine failure of road bridges under flood events. The paper has reviewed different bridge design codes used over several years in Australia for designing the bridges. Various failure mechanisms of bridges due to flood events have been investigated and the most common failure mechanisms of the bridges in Queensland have been identified by examining bridge inspections conducted after the 2011 and 2013 flood events. A case study bridge, which failed under flood loading, has been modeled and the effects of different flood scenarios have been investigated. The impacts of different types of debris, urban and regional, have also been studied. Damage indices have been derived for a concrete girder bridge to demonstrate the methodology for vulnerability modeling of bridge structures.

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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)
Refereed: Yes
Item Status: Live Archive
Faculty/School / Institute/Centre: Current - Faculty of Health, Engineering and Sciences - School of Civil Engineering and Surveying
Date Deposited: 03 Sep 2017 23:50
Last Modified: 30 Aug 2018 05:58
Uncontrolled Keywords: Concretes; Maintenance; Reinforced concrete; Safety engineering;Bridge design codes; Bridge inspection; Bridge structures; Failure mechanism; Girder bridges; Natural hazard; Recent researches; Vulnerability models
Fields of Research : 09 Engineering > 0905 Civil Engineering > 090505 Infrastructure Engineering and Asset Management
Socio-Economic Objective: E Expanding Knowledge > 97 Expanding Knowledge > 970109 Expanding Knowledge in Engineering

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