Blast Effects And Protective Technology Design
Author(s)
M. Zineddin
Abstract
The fundamental goal of protective construction is to improve the probability of
survival of people and other contents in a given facility for a given threat. It is
important to realize that the protective building is the last layer of defense
against a threat and that all other protective measures (intelligence, law
enforcement, surveillance, barriers, etc.) have failed if the threat can be projected
onto a facility. This implies that a designer must \“know” the threat before
conceptualizing the design and this may not be possible in many cases.
Attackers can use various weapon systems in different combinations and such
events cannot be predicted. However, using reliable information and objective
threat and risk assessment can produce effective estimates of such incidents.
Usually, a facility design is based on a standard threat (for example, a specific
bomb at a given stand-off distance). In other cases, a statistical approach,
requiring that a specific percentage of facilities and contents will survive if a site
is attacked, may be employed.
Physical security can be achieved by a variety of means and devices with a
wide range of capabilities. These capabilities can be used to enable detection,
deterrence, delay, and prevention of hostile activities. Structural hardening is a
passive defense capability; it is only one aspect of these considerations and
should be addressed in the broader context of physical security. As with any
other fortification technology, passive defense alone cannot be used to protect
against mobile and constantly varying threats.
A structure must be designed to prevent catastrophic failure and to protect its
contents (personnel and equipment) from the effects of an explosion. Such
effects may include nuclear and thermal radiation, electromagnetic pulse (EMP),
air blast, ground shock, debris, fragments, and dust (protection from chemical
Keywords
blast effects, protective design, risk mitigation, physical security, antiterrorism protection, hardened structure
Related Book
Other papers in this volume
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