Behavior of Bars in Dowel Action Against Concrete Cover

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Title: Behavior of Bars in Dowel Action Against Concrete Cover

Author(s): P. Soroushian

Publication: Structural Journal

Volume: 84

Issue: 2

Appears on pages(s): 170-176

Keywords: beams (supports); columns (supports); connections; cover; cracking (fracturing); deformation; dowels; reinforced concrete; tests; Structural Research

Date: 3/1/1987

Abstract:
Reinforced concrete specimens producing dowel action of beam-longitudinal bars against concrete cover at beam-column interfaces were tested. Results indicated that dowel behavior in action against the concrete cover is similar to action against the core before a split crack separates the cover from the core. After split cracking, behavior depended on the bar size, contribution of concrete cover, and stirrup location and strength. An analytical approach for predicting dowel load at split cracking is also presented.