T-Headed Stirrup Bars

Title: T-Headed Stirrup Bars
Author(s): DALE E. BERNER, BEN C. GERWICK JR., AND GEORGE C. HOFF
Publication: Concrete International
Volume: 13
Issue: 5
Date: May 1, 1991
Abstract :
Structural elements subject to high out-of-plane shear and those needing confinement for ductility in the post-elastic phase require concentrated transverse reinforcement. A T-headed bar has been developed that is inserted between the in-plane bars, then turned 90 degrees to lock behind them. Ease of placement makes these bars economical, and the ability of one T-headed bar to replace several conventional stirrups facilitates concrete placement and vibration.

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