The behaviour of concrete filled thin walled steel column under concentric load / Clotilda Petrus and Joe Davylyn Nyuin

Petrus, Clotilda and Nyuin, Joe Davylyn (2009) The behaviour of concrete filled thin walled steel column under concentric load / Clotilda Petrus and Joe Davylyn Nyuin. [Research Reports] (Unpublished)

Abstract

Concrete filled steel tube (CFT) column is a structural system with excellent characteristics structurally and economically as compared to other types of column system. The enhancement of CFT structural behaviour is contributed by the confinement effect provided by the steel tubes to the concrete core. The confinement effect is very effective in circular cross-section as compared to rectangular or square cross-sections. Therefore, stiffening measures are normally employed when square or rectangular tubes are used, especially for thin walled steel section. This study was looking at the potential of utilizing concrete filled square thin walled steel section with a newly proposed stiffening system as structural composite column. The effectiveness of the proposed stiffening system in terms of strength and ductility was studied experimentally on 47 numbers of short CFT columns, when subjected to axial concentric load. The stiffness rigidity, different cross-section shape and different loading conditions are the main parameters studied in this project. The stiffening system was observed to contribute largely to the load bearing capacity of concrete filled thin walled steel short column. The effect of increasing the stiffness rigidity has a significant influence in square specimens but only moderate effect on octagonal specimens. It was also found that the highest ultimate strength obtained when the CFT column was loaded on entire sections. Generally, the proposed stiffening method can improve the ultimate strength capacity of concrete filled thin walled tubes provided the stiffeners are adequately designed.

Metadata

Item Type: Research Reports
Creators:
Creators
Email / ID Num.
Petrus, Clotilda
UNSPECIFIED
Nyuin, Joe Davylyn
UNSPECIFIED
Subjects: T Technology > TA Engineering. Civil engineering > Structural engineering
T Technology > TA Engineering. Civil engineering > Structural engineering > Structural analysis. Theory of structures
T Technology > TA Engineering. Civil engineering > Structural engineering > Structural analysis. Theory of structures > Static loading conditions
T Technology > TA Engineering. Civil engineering > Structural engineering > Specific structural forms, analysis, and design
T Technology > TA Engineering. Civil engineering > Structural engineering > Specific structural forms, analysis, and design > Steel beams
Divisions: Universiti Teknologi MARA, Pulau Pinang > Permatang Pauh Campus
Keywords: Concrete Filled Steel Tube (CFT), Concentric Load, Structural Composite Column
Date: December 2009
URI: https://ir.uitm.edu.my/id/eprint/39951
Edit Item
Edit Item

Download

[thumbnail of 39951.PDF] Text
39951.PDF

Download (98kB)

Fulltext

Fulltext is available at:
  • Bilik Koleksi Akses Terhad PTAR | Kampus Permatang Pauh, Pulau Pinang

ID Number

39951

Indexing

|

Statistic

Statistic details