Behavior of Models of a Reinforced Concrete Flat Plate Edge-Column Connection

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Title: Behavior of Models of a Reinforced Concrete Flat Plate Edge-Column Connection

Author(s): V. W. Neth, H. A. R. de Paiva, and A. E. Long

Publication: Journal Proceedings

Volume: 78

Issue: 4

Appears on pages(s): 269-275

Keywords: cracking (fracturing); columns (supports); connections; deflection; deformation; flat concrete plates; loads (forces); models; punching shear; rein-forced concrete; specimens.

Date: 7/1/1981

Abstract:
The behavior of a reinforced concrete plate edge-column connection was studied experimentally with the aid of direct models. Four different scale models representing part of a reinforced concrete flat plate structure were used to simulate the behavior of a plate edge-column connection of a prototype structure. Results indicated size effects in punching loads for models smaller than one-quarter scale. Deformations were found to be unaffected by size effects. When compared to the provisions of "Building Code Requirements for Reinforced Concrete (ACI 318-77)" the results of the one-half-scale test indicated that the magnitude of the unbalanced moment was smaller and the punching loads were larger by factors of about 6 and 2, respectively.