Flexural behaviour and design rules for SupaCee sections with web openings

Thirunavukkarasu, Kajaharan; Kanthasamy, Elilarasi; Poologanathan, Keerthan; Gunalan, Shanmuganathan; Gatheeshgar, Perampalam; Tsavdaridis, Konstantinos Daniel; Corradi, Marco

doi:10.1016/j.jobe.2022.105539

Cited by 2 publications

(2 citation statements)

References 39 publications

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“…Major parts of the FE model are SupaCee section and bearing plate. SupaCee section was modelled using 5 mm x 5 mm mesh considering past similar research studies [9][10][11][12][13][14][15]. However, 1 mm x 5 mm mesh size was opted for the corner regions.…”

Section: Outlinementioning

confidence: 99%

Web crippling behaviour and design of aluminium SupaCee sections

Thirunavukkarasu,

Alsanat,

Poologanathan

et al. 2023

ce papers

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SupaCee sections are addressed as one of the innovative section profiles which was introduced to the Cold‐Formed Steel (CFS) industry in the past decade. Longitudinal stiffeners and return lips are the unique features which ensured the better structural performance in terms of bending and shear for CFS sections. However, web crippling performance of CFS SupaCee section was the critical aspect to employ them in the industry as the concentrated loads could induce web crippling failures. Hence, there is a necessity to address web crippling performance of any innovative profiles to utilize them in appropriate locations. On that note, aluminum sections are now emerging in the industry as load bearing profiles considering their lightweight nature, corrosion resistance, ease of fabrication and high specific strength. Aluminium sections are considered as a replacement for CFS sections for modular constructions where the necessity of light weight is higher considering the transport costs and fabrication costs. However, web crippling performance of aluminum sections has to be analyzed to ensure the utilization in modular constructions. Hence, a superior section among available sections in terms of structural performances, aluminium SupaCee section, was considered for this study. Accordingly, a comprehensive numerical study was conducted considering various parameters such as section depth, thickness, bearing length and yield strength, after the successful validation process of the numerical models with the experimental scenarios of End‐Two‐Flange (ETF) loading condition. Ultimately, the results were compared with key parameters and suggestions and recommendations were stated for the utilization aluminum SupaCee sections in the industry.

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Section: Outlinementioning

confidence: 99%

Web crippling behaviour and design of aluminium SupaCee sections

Thirunavukkarasu,

Alsanat,

Poologanathan

et al. 2023

ce papers

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“…Sigma section was modelled using S4R shell elements while bearing plates were modelled using R3D4 rigid elements. In terms of meshing scheme, 5 mm x 5 mm mesh size was used in flat sections of sigma section whereas 1 mm x 5 mm mesh scheme was used in corner regions of sigma section based on the past research studies [11][12][13][14][15][16][17][18]. Coarser mesh scheme of 10 mm x 10 mm used for bearing plates.…”

Section: Generalmentioning

confidence: 99%

Design of aluminium Sigma sections for web crippling behaviour under Interior Two Flange (ITF) load case

Thirunavukkarasu,

Alsanat,

Poologanathan

et al. 2023

ce papers

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Aluminium sections have been emerged in the industry due to the advantages such as light weight, resistance to corrosion, recyclability, and flexibility. While the construction industry is moving towards to modular construction trend, aluminium sections are considered as a vital key to achieve the desirable outputs of modular industry. Modular industry needs high performing structural elements as well as light weight elements to reduce the overall weight of the modules which directly affects the transport cost, flexibility of the modular connections, construction duration, capacity of the equipment or machineries and required numbers of construction workers for assemble. Hence, the requirement of light weight elements is evident, and the aluminium sections have been considered to replace the conventional sections. However, the structural performance of aluminium sections has to be analysed to check the appropriateness of utilization though it is reasonable. Hence, aluminium sigma sections were selected in this study to check their performance in the web crippling scenario under Interior‐Two‐Flange (ITF) loading case. Sigma sections were opted based on the merits including high torsional rigidity and resistance towards local and distortional buckling. Appropriate numerical approach was selected, and the procedure was validated with experimental results. Accordingly, comprehensive numerical investigation was carried out by including different parameters such as depth, thickness, yield, and ultimate strength and bearing length. Subsequently, the results were compared with all critical parameters and the results were provided. Suggestions and recommendations were stated to utilise the aluminium sigma sections in the industry.

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Flexural behaviour and design rules for SupaCee sections with web openings

Cited by 2 publications

References 39 publications

Web crippling behaviour and design of aluminium SupaCee sections

Web crippling behaviour and design of aluminium SupaCee sections

Design of aluminium Sigma sections for web crippling behaviour under Interior Two Flange (ITF) load case

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