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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Punching of Flat Plates Under Static and
Dynamic Horizontal Farces
Author(s): Amin Ghali, Mahmoud Z. Elmarsri, and Walter Dilger
Publication: Journal Proceedings
Appears on pages(s): 566-572
Keywords: columns (supports) : compressive strength;columns (supports) : compressive strength; connections; deformation: ductility: dynamic loads; dynamic tests;flat concrete plates;flat concrete slabs;static loads; static tests;structural analysis.
Abstract:The results of a laboratory investigation on the strength and deformation of flat slab floors at their connection with columns when subjected to static or dynamic horizontal forces are presented. Six full scale specimens of a slab-column connection were subjected to a constant axial force representing gravity load, and a varying static and dynamic moment transferred between the column and the slab. The amount of the flexure reinforcement in the slab was variable. No shear reinforcement was provided. Results indicate higher strength and higher energy absorption capacities of the slab in the dynamic tests. The increase in bending reinforcement in both the static and dynamic tests resulted in an increase in strength, but with an important decrease in the energy absorption capacity and the ductility. These two properties are important requirements, particularly for structures designed to resist dynamic loads, such as blast waves or earthquakes.
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