Ports play a critical role in transportation infrastructure, but are vulnerable to seismic hazards. Current risk management practices focus on the effect of seismic hazards on individual port structures. However, damage and downtime of these structures has an impact on the overall port system's ship handling operations and the economic impacts that result from extended earthquake-induced disruption. The following paper overviews the concepts and methods developed for the seismic risk management of a port-wide system of berths. In particular, the use of spatially correlated ground motion intensity measures to estimate damage to pile-supported marginal wharves and container cranes via fragility relationships developed by project team members. Additionally, the repair costs and downtimes determined via repair models for both types of structures. Finally, the impact on ship handling operations calculated via logistical models of the port system. The paper also discusses how the results from such an analysis might be used by port decision makers to make more informed decisions in design, retrofit, operational, and other seismic risk management options.
Estimating Repair Cost and Downtime Due to Earthquake-Induced Damage at Container Ports
Georisk 2011 ; 2011 ; Atlanta, Georgia, United States
GeoRisk 2011 ; 318-325
2011-06-21
Conference paper
Electronic Resource
English
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