Buckling resistance of hot‐finished CHS beam‐columns using FE modelling and machine learning
Journal article
Rabi, M., Abarkan, I. and Shamass, R. (2023). Buckling resistance of hot‐finished CHS beam‐columns using FE modelling and machine learning. Steel Construction. 17 (2). https://doi.org/10.1002/stco.202200036
| Authors | Rabi, M., Abarkan, I. and Shamass, R. |
|---|---|
| Abstract | The use of circular hollow sections (CHS) has increased in recent years owing to its excellent mechanical behaviour including axial compression and torsional resistance as well as its aesthetic appearance. They are popular in a wide range of structural members including beams, columns, trusses and arches. The behaviour of hot-finished CHS beam-columns made from normal and high strength steel is the main focus of this paper. A particular attention is given to predict the ultimate buckling resistance of CHS beam-columns using the recent advancement of the artificial neural network (ANN). FE models were established and validated to generate an extensive parametric study. The ANN model is trained and validated using a total of 3439 data points collected from the generated FE models and experimental tests available in the literature. A comprehensive comparative analysis with the design rules in Eurocode 3 is conducted to evaluate the performance of the developed ANN model. It is shown that the proposed ANN based design formula provides a reliable means for predicting the buckling resistance of the CHS beam-columns. This formula can be easily implemented in any programming software, providing an excellent basis for engineers and designers to predict the buckling resistance resistance of the CHS beam-columns with a straightforward procedure in an efficient and sustainable manner with least computational time. |
| Keywords | Metals and Alloys; Mechanics of Materials; Building and Construction; Civil and Structural Engineering |
| Year | 2023 |
| Journal | Steel Construction |
| Journal citation | 17 (2) |
| Publisher | Wiley |
| ISSN | 1867-0520 |
| 1867-0539 | |
| Digital Object Identifier (DOI) | https://doi.org/10.1002/stco.202200036 |
| Publication dates | |
| Online | 24 Jul 2023 |
| Publication process dates | |
| Accepted | 12 Apr 2023 |
| Deposited | 08 Aug 2023 |
| Accepted author manuscript | License File Access Level Open |
| License | http://onlinelibrary.wiley.com/termsAndConditions#vor |
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| CHS hot rolled beam columns-1.pdf | ||
| License: CC BY 4.0 | ||
| File access level: Open | ||
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