Design of Metal Foam Cladding Subjected to Close-Range Blast
Publication: Journal of Performance of Constructed Facilities
Volume 29, Issue 4
Abstract
The response of a blast mitigation cladding consisting of a face sheet and metal foam core subjected to a close-range blast is predicted. Whereas the cladding is sufficiently wide compared to the standoff distance between the explosion center and the cladding, the boundary of the blast induced bulge is released. The face sheet is considered as a rigid perfectly plastic membrane as the deformation of the sheet always exceeds half its thickness. A procedure predicting the depth and extent of the bulge is proposed with energy method. Subsequently, the minimum thickness of the foam layer is calculated based on the bulge depth. This design-oriented approach, in a ready-to-use manner, can be straightforwardly applied, facilitating the preliminary design of blast mitigation claddings with metal foam core.
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Published In
Journal of Performance of Constructed Facilities
Volume 29 • Issue 4 • August 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Oct 31, 2013
Accepted: Mar 3, 2014
Published online: Mar 5, 2014
Discussion open until: Jan 28, 2015
Published in print: Aug 1, 2015
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