Influence Imperfections on the Difference between the Numerical and Experimental Investigations of a Punching in the Central Slab-Column Connections of RC Structures

Abstract:

This paper presents the results of laboratory tests concerning the central connection of the slab with the column, in which an additional reinforcement ensuring the structure against a progressive collapse was applied as to recommended in the standard PN-EN 1991-1-7:2008 as well as in PN-EN 1992-1-1:2008. Regulations concerning the necessity of such a reinforcement are also contained in the American and Australian standard as well as in the Bulletin FIB. The obtained results of investigations have been compared with calculations based on a spatial numerical model representing the analyzed phenomenon. The numerical model bases on predefined material models of steel and concrete, taking into account non-linear dependences of the strength of these materials. The values of displacements of the upper surface of the slab depending on the exerted load were compared with the values of numerical calculations.

• Periodical: Applied Mechanics and Materials (Volume 769)
• Pages: 264-269
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.769.264
• Online since: June 2015
• Authors: Barbara Wieczorek*
• Keywords: Experimental Research, Numerical Modelling, Punching, Reinforced Concrete Structure, Slab-Column Connections, Two-Way Slabs Structural Integrity Reinforcement

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