Flexural strength and behaviour of cold rolled purlins with complex longitudinal stiffeners
|
|
|||||||||||
Détails bibliographiques
| Auteur(s): |
Van Bac Nguyen
(University of Derby, Derby, DE22 3AW, United Kingdom)
Iman Hajirasouliha (The University of Sheffield, Sheffield, S1 3JD, United Kingdom) Martin English (Hadley Industries plc, Smethwick, B66 2PA, United Kingdom) |
||||
|---|---|---|---|---|---|
| Médium: | papier de conférence | ||||
| Langue(s): | anglais | ||||
| Conférence: | IABSE Symposium: Environmentally Friendly Technologies and Structures: Focusing on Sustainable Approaches, Tokyo, Japan, 18-21 May 2025 | ||||
| Publié dans: | IABSE Symposium Tokyo 2025 | ||||
|
|||||
| Page(s): | 2715-2723 | ||||
| Nombre total de pages (du PDF): | 9 | ||||
| Année: | 2025 | ||||
| DOI: | 10.2749/tokyo.2025.2715 | ||||
| Abstrait: |
This paper presents the flexural strength and behaviour of cold rolled channel and zed steel purlins with complex longitudinal web and flange stiffeners. The material properties at the section’s flat parts, corners, and stiffeners are obtained from tensile tests. A series of four-point beam bending tests is carried out to determine the buckling and ultimate bending capacities of these sections. Nonlinear Finite Element analysis (FEA) is developed to model the flexural strength of the purlins and validated against the experimental tests. True stress-strain data for materials due to cold working at different regions of the sections are incorporated into nonlinear analyses. Based on the validated FEA results for different sectional shapes and thicknesses, design formulae for determining flexural strength of purlin sections with complex stiffeners are developed. |
||||
| Copyright: | © 2025 International Association for Bridge and Structural Engineering (IABSE) | ||||
