Chapter 6

Blast Resistance Building Design

Abstract

Blasts are not always caused by combustion; they can also result from any rapid release of energy that creates a blast wave, such as a bursting pressure vessel from which compressed air expands, or a rapid phase transition of a liquid to a gas. The loads resulting from a blast are created by the rapid expansion of the energetic material, creating a pressure disturbance or blast wave radiating away from the explosion source. Blast pressure is more properly called overpressure because it is relative to ambient conditions. Shock waves are high-pressure blast waves that travel through the air at a velocity faster than the speed of sound. These waves are characterized by an instantaneous increase ...

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