RESEARCH ARTICLE


Experimental Study of Triaxial Behavior of Concrete under Lateral Confining Stress



Pouria Javanmardi*
Master of Science in Civil Engineering, Construction Management Engineering, Iran University of Science and Technology, Tehran, Iran


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Creative Commons License
© 2017 Pouria Javanmardi

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Master of Science in Civil Engineering, Construction Management Engineering, Iran University of Science and Technology, Tehran, Iran; Tel: +989126306007; E-mail: Pouria.javanmardi@gmail.com


Abstract

Background:

Loads on most of reinforced and prestressed concrete structures, are triaxial. For the principled analysis and design of these structures, being aware of the concrete behavior under triaxial stress states is essential. Also studying the stress-strain curves under triaxial loads for nonlinear analysis and design of reinforced and prestressed concrete structures, is important.

Method:

In this study, for better comprehension of the behavior of confined concrete, the uniaxial and triaxial tests are performed on the cylindrical specimens and the relationship between axial stress, lateral confining stress, and uniaxial compressive strength, is calculated and compared to the proposed relationships of other researchers.

Results and Conclusion:

In addition, a comparison is made between the test results, the results of others in the literature and Attard [1] model.

Keywords: Behavior of concrete, Compressive strength, Lateral stress, Stress-strain, Triaxial stress, Confining stress.