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STRUCTURAL BEHAVIOUR OF TRUSSED-COLUMN BUILT UP USING THIN-WALLED STEEL PIPE

Kamarudin, Muhammad Najib (2007) STRUCTURAL BEHAVIOUR OF TRUSSED-COLUMN BUILT UP USING THIN-WALLED STEEL PIPE. Universiti teknologi petronas. (Unpublished)

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Abstract

The availability of high strength steels leads to the use of metal steel pipe in truss-column structure. The use of trussed column is not only restricted to beam support, but also extends to various uses such as road sign, transportation of petroleum and gas product, huge exhibition and many more. However, the use of thin walled steel pipes in composite built-up truss-columns gives a rise to a certain major problems such as local buckling that would appreciably reduce the strength and ductility performance of the members. This paper describes an experimental study on the compressive strengths of built-up trusscolumn using steel pipe sections. As the use of trussed column have gained momentum due to its strength and aesthetic value, two types of trussed column were analyzed, namely the triangular and rectangular trussed column, with different loading conditions and depth variation. Investigated is the static structural behavior of such columns when loaded by purely axial compressive concentrated forces acting at the supports. Geometric and material nonlinear analyses are performed to investigate the critical local and postlocal buckling strengths of steel plates under compression and in-plane bending. Initial geometric imperfections and residual stresses presented in steel pipes, material yielding and strain hardening are taken into account in the nonlinear analysis. Result were tabulated and interpreted according to several parameters, such as weight, compression/tension ratio, magnitude of forces and its distribution, along with deflection of the trussed column. Comparison among the two trussed column (triangular and rectangular) were presented and discussed.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Structures, materials and construction
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 24 Oct 2013 09:13
Last Modified: 25 Jan 2017 09:45
URI: http://utpedia.utp.edu.my/id/eprint/9550

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