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Design of Hazardous Mechanical Structures, Systems and Components for Extreme Loads

By
John D. Stevenson
John D. Stevenson
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Ovidiu Coman
Ovidiu Coman
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ISBN-10:
0791802426
No. of Pages:
300
Publisher:
ASME Press
Publication date:
2006

This chapter is intended to provide side-on and reflected static pressure loads on structures, systems and components (SSC) from an external explosive blast. These dynamic pressures are then converted to equivalent static loads for evaluation or design purposes. Figures are provided to describe the effect of external equivalent static blast loads as a function of explosive quantity, quality and distance in the 1 to 10,000 lbs range and 25 to 2,000 ft distance. Finally, example problems are presented for blast-equivalent TNT phenomena associated with side-on and reflected pressure and their conversion to equivalent static loads for design or evaluation purposes.

It should be noted that procedures contained here are simplified approximations. To obtain more accurate response of an SSC it is necessary to consider the time-dependent blast wave transversing the SSC. The result load on the SSC involves not only the characteristics of the blast wave and the global and local response frequency of the SSC, but also the geometry of the structure.

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