HAYMARKET, VA. — The Virginia-based Charles Pankow Foundation has announced it is supporting the second phase of a research project studying failure of rebar cages.
Key personnel for the research team include principal investigators Hamed Ebrahimian and Ahmad Itani from the University of Nevada Reno. Industry supporters include Angie Hunter from Kiewit Engineering Group and Vincent Siefert of Siefert Associates.
The research seeks to understand the failure mechanism of rebar cages and provide practical analysis, design and detailing guidelines to prevent failure of below-grade rebar cages reinforced with mechanical connectors or internal stiffening elements, as well as above-grade cages that may be braced externally, explained a recent release.
The researchers will study rebar cages under lateral loading conditions such as uneven tightening of guy wires, environmental loads or accidental loads. The conditions are common during the installation of above-grade rebar cages.
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