A critical review of cold-formed built-up members: Developments, challenges, and future directions

Y Dai, K Roy, Z Fang, GM Raftery, K Ghosh… - Journal of Building …, 2023‏ - Elsevier
The use of cold-formed members in structural engineering is increasing because of their
considerable structural and environmental advantages, such as low weight, ease and speed …

Experimental and numerical investigations on the axial capacity of cold-formed steel built-up box sections

K Roy, TCH Ting, HH Lau, JBP Lim - Journal of Constructional Steel …, 2019‏ - Elsevier
Built-up box sections are becoming increasingly popular for column members in cold-formed
steel (CFS) construction; uses of such sections include CFS trusses, space frames, and …

Experimental and numerical investigation into the behaviour of face-to-face built-up cold-formed steel channel sections under compression

K Roy, C Mohammadjani, JBP Lim - Thin-Walled Structures, 2019‏ - Elsevier
Face-to-face built-up cold-formed steel channel sections are becoming increasingly popular
for column members in cold-formed steel structures; its applications include cold-formed …

Nonlinear behaviour of back-to-back gapped built-up cold-formed steel channel sections under compression

K Roy, TCH Ting, HH Lau, JBP Lim - Journal of Constructional Steel …, 2018‏ - Elsevier
In cold-formed steel structures, such as trusses and portal frames, the use of back-to-back
gapped built-up cold-formed steel channel-sections for column members are becoming …

Effect of thickness on the behaviour of axially loaded back-to-back cold-formed steel built-up channel sections-Experimental and numerical investigation

K Roy, TCH Ting, HH Lau, JBP Lim - Structures, 2018‏ - Elsevier
In cold-formed steel structures, such as trusses, wall frames and portal frames, the use of
back-to-back built-up cold-formed steel channel sections are becoming increasingly …

Axial strength of back-to-back cold-formed steel channels with edge-stiffened holes, un-stiffened holes and plain webs

B Chen, K Roy, A Uzzaman, G Raftery… - Journal of Constructional …, 2020‏ - Elsevier
Cold-formed steel (CFS) back-to-back channels are becoming a popular choice for use in
load-carrying members in building structures. These built-up channels often include web …

Local and distortional buckling behaviour of back-to-back built-up aluminium alloy channel section columns

K Roy, B Chen, Z Fang, A Uzzaman, X Chen… - Thin-Walled …, 2021‏ - Elsevier
The use of aluminium alloy channel sections is becoming popular in lightweight structures,
especially for pillars of curtain wall systems and brace and chord members in roof trusses. In …

[HTML][HTML] Evaluation of the composite action of cold-formed steel built-up battened columns composed of two sigma-shaped sections

R Rahnavard, M Razavi, N Fanaie, HD Craveiro - Thin-Walled Structures, 2023‏ - Elsevier
Cold-formed steel (CFS) built-up battened columns are employed to obtain a sufficient load-
bearing capacity when individual profiles cannot withstand the specified stresses. This …

Design of cold-formed steel built-up columns subjected to local-global interactive buckling using direct strength method

S Selvaraj, M Madhavan - Thin-walled structures, 2021‏ - Elsevier
This paper presents the structural behavior of doubly-symmetric built-up cold-formed steel
(CFS) columns that fail in local-global (flexural-torsional) interactive buckling modes. The …

Web crippling behaviour of cold-formed steel channel sections with edge-stiffened and unstiffened circular holes under interior-two-flange loading condition

A Uzzaman, JBP Lim, D Nash, K Roy - Thin-Walled Structures, 2020‏ - Elsevier
Recently, a new generation of cold-formed steel (CFS) channel sections with edge-stiffened
circular holes have been developed by industry in New Zealand. No previous research …