Welded Wire Confinement Grids

by Hanns Urs Baumann, Baumann Research and Development, Corp, Newport Beach, United States,



Document Type: Proceeding Paper

Part of: Structural Engineering in Natural Hazards Mitigation

Abstract: The invention of a new way to reinforce concrete using high strength welded wire grids, (WWG) increases its earthquake resistance by improved ductility and also opens the way for vast improvements in the method of constructing ductile concrete frames and shear wall buildings. Through the efficiency of these new industrialized methods of fabrication and assembly the WWG product offers many cost savings advantages as well as a marked improvement in job site quality assurance. By thus drastically lowering the cost of improving ductility in reinforced concrete, while at the same time improving reliability, the structural design engineer now has a more economical solution for mitigation of natural hazards, such as earthquakes and hurricanes. The proposed design and construction of a 30-story ductile concrete frame building will be discussed.

Subject Headings: Reinforced concrete | Concrete frames | Structural reliability | Shear resistance | Ductility | Concrete structures | Welding | Load and resistance factor design

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