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Experimental investigation and numerical simulation of post-peak behavior and size effect of reinforced concrete columns



Title: Experimental investigation and numerical simulation of post-peak behavior and size effect of reinforced concrete columns
Author(s): J. Nemecek, Z. Bittnar
Paper category : journal
Serial title: Materials and Structures
Abreviated Serial title: Mater. Struct.
ISSN: 1359-5997
Publisher: RILEM Publications SARL
Volume: 37
Issue: 267
Issue date: 2004-04-01
Publication year: 2004
Pages: 161 - 169
Total Pages: 9
Nb references: 19
Language: English


Abstract: This paper deals with the effect of structural size of reinforced concrete columns with square cross sections on their nominal strength and post-peak behavior.
This topic was studied experimentally on three different sizes of geometrically similar specimens.
Our attention was focused on the overall performance of columns, in particular: peak strength, post-peak branch, type of a failure, concrete softening and steel buckling.
Computational model based on the microplane model M4 for concrete [1, 2] was used to simulate experimental results.
As the result of experiments, no significant size effect was found in the nominal strength.
However, size effect was found in the post-peak behavior.
Results of the computer simulation showed good agreement with experimental data and proved the capabilities of the used material model.


Online publication: 2004-02-26
Classification: Scientific Reports
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/13995


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