The effieicny of tapered steel section with ellipse shape opening under lateral torsional buckling behaviour
| dc.contributor.author | Ngo Siew Ting | |
| dc.date.accessioned | 2021-01-27T01:14:11Z | |
| dc.date.available | 2021-01-27T01:14:11Z | |
| dc.date.issued | 2019-06 | |
| dc.description.abstract | Steel is a highly durable and resistance material and it is one of the most important construction available on market. It high strength to weight ratio properties in turn results in a high load carrying capacity. The advantages of usage of steel is the properties of mass production, easily assemble, replace, modify, recycle and steel has a better scrap value compared to other construction materials. However, the rise on the price of steel, hence the optimisation in steel section design is needed to overcome the issue of cost effect and material saving purpose. A tapered steel section enhanced the material saving purpose while the introduction of web opening enabled the passageway of Mechanical and Electrical services, piping and aesthetical considerations in design. In this research, a total of 108 models were modelled in LUSAS software in order to analyse the structural efficiency of a tapered steel section with ellipse shape opening under lateral torsional buckling behaviour. The variables in this study consists of the variation in size of opening, layout of opening, rotation angle of opening and the tapering ratio. Eigenvalue buckling analysis is done by using LUSAS software and the structural efficiency of each model is calculated. From the study, model 82 with Layout A, tapering ratio 0.3, opening size 0.5d and opening rotated in 45 degree anti-clockwise direction results in highest structural efficiency among the 108 models. The buckling moment of model 82 is 1013.08kNm with structural efficiency of 481.26, which shows and increase of 3.17% compared to the controlled model. | en_US |
| dc.identifier.uri | http://hdl.handle.net/123456789/11069 | |
| dc.language.iso | en | en_US |
| dc.title | The effieicny of tapered steel section with ellipse shape opening under lateral torsional buckling behaviour | en_US |
| dc.type | Other | en_US |
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