Geometric imperfections in CFS structural members: Part I: A review of the basics and some modeling strategies

S Farzanian, A Louhghalam, BW Schafer… - Thin-Walled …, 2023 - Elsevier
Unavoidable geometric imperfections complicate the load–displacement response of thin-
walled cold-formed steel (CFS) structural members. While the inclusion of geometric …

State-of-the-art review on measurement techniques and numerical modeling of geometric imperfections in cold-formed steel members

R Aktepe, BG Erkal - Journal of Constructional Steel Research, 2023 - Elsevier
Cold-formed steel (CFS) members are susceptible to geometric imperfections due to the
high length-to-thickness ratio of the flat partitions, in other words, high slenderness …

Geometric imperfection measurements and validations on cold-formed steel channels using 3D noncontact laser scanner

S Selvaraj, M Madhavan - Journal of Structural Engineering, 2018 - ascelibrary.org
Abstract A three-dimensional (3D) noncontact laser-scanning method to quantify the
deviations in cold-formed steel (CFS) channel sections (plain and lipped) is presented. The …

Geometric imperfections in CFS structural members, Part II: Data-driven modeling and probabilistic validation

S Farzanian, A Louhghalam, BW Schafer… - Thin-Walled …, 2023 - Elsevier
This paper is the second part in a two-part series that examines the role of geometric
imperfections in load–displacement response and collapse behavior of cold-formed steel …

Experimental study of sheathed cold-formed steel beam–columns

C Kyprianou, P Kyvelou, L Gardner, DA Nethercot - Thin-Walled Structures, 2021 - Elsevier
An experimental study of sheathed cold-formed steel C-lipped wall studs, with service holes,
subjected to compression and major axis bending is presented in this paper. A total of 17 …

Sheathed cold-formed steel studs under axial and lateral load

KD Peterman, BW Schafer - Journal of Structural Engineering, 2014 - ascelibrary.org
This research aims to identify and characterize the behavior of dissimilarly sheathed, load
bearing, cold-formed steel studs under axial and lateral load. A series of tests on single …

Studies on cold-formed steel stud panels with gypsum sheathing subjected to out-of-plane bending

S Selvaraj, M Madhavan - Journal of Structural Engineering, 2018 - ascelibrary.org
An experimental investigation on gypsum sheathed cold-formed steel (CFS) panels with
different sheathing configurations was conducted under four-point bending (out-of-plane) …

Numerical study on the seismic performance of phosphogypsum-filled cold-formed thin-walled steel composite walls

S Hu, Z Chen, X Ke, L Zhou - Thin-Walled Structures, 2024 - Elsevier
To conduct in-depth research on the seismic performance of phosphogypsum (PG) filled
cold-formed thin-walled square steel tube (PFCFS) composite walls, a series of finite …

Development and experimental validation of the direct strength method for cold-formed steel beam-columns

S Torabian, BW Schafer - Journal of Structural Engineering, 2018 - ascelibrary.org
The direct strength method of cold-formed steel member design uses local, distortional, and
global cross-section elastic buckling analysis with empirically derived direct expressions to …

[HTML][HTML] Finite element modelling of sheathed cold-formed steel beam–columns

C Kyprianou, P Kyvelou, L Gardner, DA Nethercot - Thin-Walled Structures, 2023 - Elsevier
The structural behaviour of sheathed cold-formed steel lipped channel section columns
(studs) subjected to combined compression and major axis bending is investigated herein …