[HTML][HTML] A critical review on optimization of cold-formed steel members for better structural and thermal performances

H Liang, K Roy, Z Fang, JBP Lim - Buildings, 2022 - mdpi.com
The construction and building sectors are currently responsible globally for a significant
share of the total energy consumption and energy-related carbon dioxide emissions. The …

A critical review of cold-formed steel seismic resistant systems: Recent developments, challenges and future directions

M Hasanali, K Roy, SM Mojtabaei, I Hajirasouliha… - Thin-Walled …, 2022 - Elsevier
Cold-formed steel (CFS) systems have seen an increased application in the past few
decades, especially in the construction of low-to mid-rise buildings. CFS members offer …

[HTML][HTML] Predicting the buckling behaviour of thin-walled structural elements using machine learning methods

SM Mojtabaei, J Becque, I Hajirasouliha… - Thin-Walled Structures, 2023 - Elsevier
The design process of thin-walled structural members is highly complex due to the possible
occurrence of multiple instabilities. This research therefore aimed to develop machine …

Testing and analysis of optimized wire arc additively manufactured steel trusses

P Kyvelou, A Spinasa, L Gardner - Journal of Structural Engineering, 2024 - ascelibrary.org
Wire arc additive manufacturing (WAAM) is a method of metal three-dimensional (3D)
printing that can be used to fabricate large-scale elements of complex form, opening up …

A novel machine learning method to investigate the web crippling behaviour of perforated roll-formed aluminium alloy unlipped channels under interior-two flange …

Z Fang, K Roy, J Xu, Y Dai, B Paul, JBP Lim - Journal of Building …, 2022 - Elsevier
This study presents a novel machine-learning model using the eXtreme Gradient Boosting
(XGBoost) tool, for assessing the web crippling behaviour of perforated roll-formed …

Optimisation of cold-formed steel beams for best seismic performance in bolted moment connections

SM Mojtabaei, I Hajirasouliha, J Ye - Journal of Constructional Steel …, 2021 - Elsevier
Typical thin-walled cold-formed steel (CFS) elements and connections used in portal frames
are not generally suitable for moment-resisting frames in high seismic regions due to their …

Structural size optimization of single and built-up cold-formed steel beam-column members

SM Mojtabaei, J Becque… - Journal of Structural …, 2021 - ascelibrary.org
The use of cold-formed steel (CFS) elements in residential and industrial buildings is widely
gaining popularity due to their ability to provide cost-effective and sustainable solutions. A …

Buckling behaviour of cold-formed steel sigma and lipped channel beam–column members

F Oeztuerk, SM Mojtabaei, M Şentürk, S Pul… - Thin-Walled …, 2022 - Elsevier
To determine the load-bearing capacity of cold-formed steel (CFS) beam–column members,
closed formed interaction formulas are generally used in most current design guidelines by …

[HTML][HTML] More accurate design equations for cold-formed steel members subjected to combined axial compressive load and bending

M Hasanali, SM Mojtabaei, I Hajirasouliha… - Thin-Walled …, 2023 - Elsevier
Cold-formed steel (CFS) load-bearing members in multi-storey frame systems are subjected
to combined actions sourced from gravity and lateral loads. However, limited information is …