10 Wirtschaft und Verwaltung
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The Federal Highway Network of Germany represents considerable fixed assets. Construction and maintenance activities not only require a high budget, but also influence the traffic infrastructure and, thus, the economy and society as a whole. The present safety of the network has to be ensured under consideration of environmental aspects. At the same time the network owner has to make sure that the civil works are carried out in the most efficient way. Considering the fact that financial resources are restricted, the costs have to be spent in a way to obtain the greatest possible benefit. This task is supported by the application of a comprehensive Asset Management, which is subdivided into operational and controlling tasks respectively. The paper describes the current management procedures.
Efficient and widely available transport infrastructure is one of the most important prerequisites for sustainable economic development to meet the demand for mobility. In this context, being able to manage traffic growth forecasts is of particular importance. In Germany, current forecasts indicate a 40% increase in rail and road transport in the country. However, about 60% of bridges (as measured by bridge area) on the national German highway system that are suitable for freight transport were built before 1985. In other transport sectors as well, aging infrastructure is one of the key challenges for the availability and the resilience of European transport infrastructure. Many bridges in the national German highway system are already at their load-bearing limit. Furthermore, required maintenance measures have not been adequately carried out in the past due to limited budgets, leading to overall bridge deterioration. Further challenges for owners and operators of transport infrastructure result from the effects of climate change, associated climate extremes, natural catastrophes, and possible criminal and terrorist threats. To ensure that future infrastructure challenges can be successfully addressed, strategies and solutions must be developed and implemented in a timely manner to enable holistic and sustainable life-cycle management. The concepts of Resilience Management as well as Resilience Engineering are essential building blocks in this process. Resilience is the ability to survive in the face of a complex, uncertain, and ever-changing future. It is a way of thinking about both short-term cycles and long-term trends. Using this concept, owners and operators can reduce the risk of disruption in the face of shocks and stresses. Resilience requires cyclical, proactive, and holistic risk management practices.