Friday Transportation Seminar: System-level Risk Management of Transportation Structures & Networks

DATE: Friday, November 4, 2022, 11:30am to 12:30pm PDT
SPEAKER: David Yang, PSU.

Conventional risk assessment approaches in infrastructure management do not fully capture the system-level impact of structural failure or service disruption. As a result, the priorities of preservation projects may be misidentified, leading to suboptimal maintenance schedules and waste of resources. In this presentation, we will first illustrate why conventional risk assessment is not suitable for transportation structures and networks due to interdependency between assets, and then demonstrate how system-level preservation policies can be devised using novel algorithms adapted from the field of deep reinforcement learning. Results from a series of case studies showcase that the system-level risk management is essential to correctly identifying key assets and work priorities, devising adaptive maintenance policies, and lowering life-cycle costs of transportation infrastructure.

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