Blast Resistance
Increased concerns about security have refocused the attention of building owners and designers in recent years on the elements of structural design and structural integrity.
Today, designers need to consider blast resistance and the possibility of resulting progressive collapse in their structural designs. When properly designed, reinforced concrete provides blast protection for occupants.
The basic objective of blast-resistant design is to mitigate casualties within the building and damage to the overall structure.
Progressive Collapse
Increased concerns about security have refocused the attention of building owners and designers in recent years on the elements of structural design and structural integrity.
Today, designers need to consider not only blast protection, but progressive collapse in their structural designs.
Progressive collapse occurs when a localized failure causes damage disproportionate to original damage. The overall result can be dramatically disproportionate to the initial cause, which may contribute to the number of casualties and trapped survivors.
Experts generally agree that cast-in-place reinforced concrete structures are inherently well-suited for providing solutions to progressive collapse.
In fact, effective strategies for progressive-collapse mitigation often can be easily carried out with relatively simple design modifications to the overall structure combined with close attention to the structural detailing of concrete reinforcement.
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