Response and Analyses of Multi-Wythe Insulated Masonry Walls to Out-of-Plane Dynamic Pressure

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by Robert S. Browning, Engineer; Engineering Solutions Group, Southern Research Institute, P.O. Box 55305, Birmingham, AL 35255-5305,,
James S. Davidson, Associate Professor; Department of Civil Engineering, Auburn University, 238 Harbert Engineering Center, Auburn, AL 36849-5337,,
Robert J. Dinan, Senior Research Engineer; Air Force Research Laboratory, 139 Barnes Drive, Suite 2, Tyndall AFB, FL 32403,

Document Type: Proceeding Paper

Part of: Structures Congress 2009: Don't Mess with Structural Engineers: Expanding Our Role

Abstract: Now more than ever, blast-resistant design is a major priority for structural engineers. Heightened terrorism has forced the need for advances in structural systems to resist the harmful effects of explosions. Much research has focused on the retrofit of existing structures located in threatening surroundings. However, for new structures, there is an opportunity to implement new technology from the start and more economically provide the required capacity. A structural system that has great benefits is reinforced masonry. One reason for this is that mass plays a large role in the resistance of a dynamic system, and masonry is very economical in terms of weight as compared to steel or aluminum. The other reason that reinforced masonry is a good choice, as opposed to unreinforced masonry, is that it provides more ductility. This allows the system to absorb a great deal of energy via plastic deformation.

Subject Headings: Dynamic pressure | Masonry | Dynamic response | Walls | Structural systems | Building insulation | Dynamic structural analysis | Economic factors | Blasting effects | Rehabilitation | Explosions | Existing buildings | Terrorism |

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