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Assessing the Resilience of Road Infrastructure

Assessing the Resilience of Road Infrastructure


B. Kohl / G. Mayer / C. Zulauf / A. Dahl

The Federal Highway Research Institute (BASt) has initiated an external research project to develop a concept for resilience management for federal trunk roads in Germany. Based on the analysis of the current state of research and the results of two previous external research projects of BASt, a modular concept for resilience management has been developed. It describes an iterative management process and represents all stages of a resilience cycle: from preparation for, prevention of and protection against disruptive events to reaction and recovery after a disruptive event. Hereby, resilience assessment involves assessing not only the exposure and the vulnerability of specific objects (e.g. road tunnels), but also their downtime and their level of availability as well as the impact their potential outage might have on the functionality at network level. The spectrum of disruptive events comprises meteorological, gravitational, hydrological and geophysical hazards, fire and disruption of power supply. Resilience assessment uses a matrix-based approach and is based on parameters that are classified using a 5-stage scale. An example demonstrates how the loss of availability at object level and how the loss of functionality at network level can be assessed.

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Year 2022
City Copenhagen
Country Denmark
ISBN 978-2-9701436-7-3