Mechanics of Bond and Slip of Deformed Bars in Concrete

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Title: Mechanics of Bond and Slip of Deformed Bars in Concrete

Author(s): LeRoy A. Lutz and Peter Gergely

Publication: Journal Proceedings

Volume: 64

Issue: 11

Appears on pages(s): 711-721

Keywords: beams (structural);bond (concrete to reinforcement);crack width and spacing; cracking (fracturing);deformation;deformed reinforcement;reinforced concrete; reinforcing steel;research;shear;shear stress;slippage;stresses

Date: 11/1/1967

Abstract:
The action of bonding forces, and the associated slip and cracking are examined for bars with various surface properties. The mechanics of slip of deformed bars in concrete is discussed, with the support of experimental data. The stresses and deformations in the concrete, caused by the bonding forces, are presented. The ACI Building Code shear stress requirements are studied in terms of the corresponding limiting bond stresses.