Network- and bridge- level management under uncertainties associated with climate change
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Conference Name
11th International Conference on Bridge Maintenance, Safety and Management
Type
Conference Object
This Version
AM
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Plavinkoottathil Sasidharan, M., Parlikad, A., & Schooling, J. Network- and bridge- level management under uncertainties associated with climate change. 11th International Conference on Bridge Maintenance, Safety and Management. https://doi.org/10.17863/CAM.81725
Abstract
Bridges are strategic connection points within the transport network, underpinning economic vitality, social-wellbeing, and logistics of communities. Currently, most of the transport authorities are not able to identify bridges at higher risk of disruptions, due to limited data or lack of a risk-informed assessment, and this is particularly true for bridge scour. The situation is exacerbated with the distributed knowledge about the condition of bridges, constrained resources, and concerns about the risks of climate change. To be effective, the strategies designed to improve the reliability and resilience of bridge assets needs to account for the uncertainties associated with predicting the performance of the bridge, progression of scour depth, and the impact of climate change hazards. To this end, this paper sets the scene for establishing a rational and systematic approach to evaluate the factors that affect bridge scour risk and condition, identify, and prioritise appropriate measures, thereby improving the allocation of scarce management resources. The bridge-level decisions are optimised to provide a wide range of monitoring and maintenance options that the network level subsequently uses to prioritise based on budget availability, scheduling, probability of disruptions and the associated wider impacts. The functional framework presented within this paper would provide a basis for the development of a scour-focused module within the bridge management systems.
Sponsorship
Engineering and Physical Sciences Research Council (EP/N021614/1)
Technology Strategy Board (920035)
Embargo Lift Date
2023-02-22
Identifiers
External DOI: https://doi.org/10.17863/CAM.81725
This record's URL: https://www.repository.cam.ac.uk/handle/1810/334312
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