Cost-effectiveness Of Protection Measures
To Mitigate Terrorist Attacks On Bridges
And Tunnels
Author(s)
C. A. Andersen, K. C. Jørgensen & E. K. Lauritzen
Abstract
The SeRoN project, which is a part of the 7th EC Framework Programme, is now
nearing completion. The focus of the SeRoN project is on security issues related
to the European road transport network. The primary objective of the project is
to investigate the impacts of possible terrorist attacks on the transport network.
Resulting regional and supra-regional impacts on transport links and their
economic implications are of particular concern. During the project, a risk
assessment methodology to assess the cost-effectiveness of protective measures
has been developed and the methodology has been applied to four infrastructure
objects: A multi-span concrete box girder bridge, a three-span cable stayed
bridge, a cut and cover tunnel and a NATM tunnel. For each infrastructure
object, 2–4 scenarios have been chosen. Example scenarios include the
detonation of 250 kg TNT in a vehicle in the middle of a tunnel, the cutting of
cable stays using cutting charges or the spontaneous release of 300 l/s of
flammable liquid in a tunnel. Protection measures have been conceptually
designed for each scenario and a cost-benefit analysis has been carried out to
determine the cost-effectiveness of each measure. The methodology can also be
used to select potentially critical infrastructure objects. The methodology is
furthermore generic in nature, as all types of infrastructure objects, threats and
protective measures can be investigated. The method is currently being validated
by investigating a further four infrastructure objects. The preliminary results
show that very few protection measures are cost effective. The protection
measures that might be cost-effective are generally very inexpensive and address
the main risk contributors.
Keywords: terrorism, road network, bridges, tunnels, risk assessment, protective
measures, cost-effectiveness.
Keywords
terrorism, road network, bridges, tunnels, risk assessment, protective
measures, cost-effectiveness
Related Book
Other papers in this volume
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