RETROFITTING THE INSTALLATIONS AGAINST MAN-MADE HAZARDS Analysis and simulation using the AUTODYN simulation package

Document Type : Original Article

Authors

1 Permanent staff (PhD) - Architecture Department. Military Technical Collage – Cairo, EGYPT.

2 Permanent staff (PhD) – Weapons and Ammunitions Department. MTC – Cairo, EGYPT.

Abstract


In the light of recent terrorists bomb attacks on facilities throughout the world, planners,
architects and engineers are beginning to re-visit conventional approaches in the design of
high-security facilities. Increasingly, existing the stratigic installations, such as the airport
installations, are being protected to survive a limited threat. These action is essential to
mitigate the hazardous effects of explosions and impact. Important facilities are made to a
generally higher degree of robustness than conventional installations.
One of the greatest threats from a terrorist bomb attack comes from fragmentations pieces of
walls, windows, fixtures, and equipment flying at high speeds can result in extensive injury
and death. A key tactic to defeating this threat is to ensure the exterior wall of a building can
survive the bomb blast without breaking apart and contributing to the fragment problem. The
usual approach is to add strength and mass to the wall- to “beef” it up, usually with concrete
and steel. Such “fortress” approaches are difficult to implement, time-consuming, and
prohibitively expensive. An easier, less expensive, and lighter weight solution was needed so
this paper looking for ways to introduce ductility and resilience into building walls.
This paper presents the findings from a programe of research, which explores the
opportunities offered by an effective an elastomeric polymer coating to prevent fragmentation
from concrete structural elements. A group of scenarios simulated and examined by analysis
the concept of using new protection techniques, as assessed using the AUTODYN softwear
simulation package in 2D & 3D V4.1.17.

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