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Behaviour of Double Skinned Composite Columns with Concrete Filled Tubular Columns | OMICS International| Abstract
ISSN: 2168-9717

Journal of Architectural Engineering Technology
Open Access

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  • Research Article   
  • J Archit Eng Tech 2017, Vol 6(2): 194
  • DOI: 10.4172/2168-9717.1000194

Behaviour of Double Skinned Composite Columns with Concrete Filled Tubular Columns

Hasan Hastemoglu*
Suleyman Demirel University, Faculty of Architecture, 32260, Sparta, Turkey
*Corresponding Author : Hasan Hastemoglu, Suleyman Demirel University, Faculty Of Architecture, 32260, Sparta, Turkey, Tel: 2462118459, Email: [email protected]

Received Date: May 18, 2017 / Accepted Date: May 24, 2017 / Published Date: May 30, 2017

Abstract

This paper comprises of the experimental study of five (5) double skinned concrete filled steel tubular (DSCFT ) columns of concentrically placed circular sections filled with self-compacting concrete (SCC). Tests on the specimens were made by applying axial loads. The main experimental parameter varied for columns were slenderness ratio. The test results of DSCFT columns are compared with another five (5) concrete filled tube (CFT) columns of same area of steel (Ast) and outer diameter as in DSCFT columns. Both filled with self-compacting concrete of grade M50. Testing of specimens investigates the behaviour on load deflection, confinement effect, and the strength of the columns. Various characteristics such as stiffness, ductility and failure mode are also discussed with the help of load deflection curves. The comparison with concrete filled tube (CFT) to the double skinned concrete filled tube (DSCFT) columns likely to be show that DSCFT columns are similar to CFT columns in performance and DSCFT shows better in cost concern than CFT. Theoretical analysis was also done and compared with the experimental results. Comparison of various codes like (EC4, LRFD, ACI) was also done. The results reveal that EC4 is better predictable than others).

An ANSYS modelling was also done for two specimens to calibrate the test results obtained from experiments. The results from the experimental study were compared with the ANSYS results. The result shows that there is little difference in deformations between the ANSYS and experimental results.

Keywords: Double skinned concrete filled steel tubular (DSCFT), Self-compacting concrete (SCC), Concrete filled tubes (CFT), Load deflection, Failure mode

Citation: Hastemoglu H (2017) Behaviour of Double Skinned Composite Columns with Concrete Filled Tubular Columns. J Archit Eng Tech 6: 194. Doi: 10.4172/2168-9717.1000194

Copyright: © 2017 Hastemoglu H. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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