Bond Model for Concentric Punching Shear

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Title: Bond Model for Concentric Punching Shear

Author(s): S. D. B. Alexander and Sidney H. Simmonds

Publication: Structural Journal

Volume: 89

Issue: 3

Appears on pages(s): 325-334

Keywords: bond (concrete to reinforcement); columns (supports); connections; flat concrete plates; punching shear; reinforced concrete; shear properties; strength; Design

Date: 5/1/1992

Abstract:
Presents a new model that describes the behavior of concentrically loaded flat plate-column connections at failure. The model combines radial arching action with the concept of a critical shear stress on a critical section (beam action shear). Based on this model, a simple lower bound estimate of the ultimate strength of a plate-column connection is derived. The model is compared to those found in building codes and to 115 test results from the literature.