Techno Press
You logged in as. Techno Press

Steel and Composite Structures
  Volume 43, Number 1, April10 2022 , pages 107-116
DOI: https://doi.org/10.12989/scs.2022.43.1.107
 


Numerical studies on axially loaded doubler plate reinforced elliptical hollow section T-joints
Busra Sari and Emre Ozyurt

 
Abstract
    This paper presents results of numerical studies completed on unreinforced and doubler plate reinforced Elliptical Hollow Section (EHS) T-joints subjected to axial compressive loading on the brace member. Non-linear finite element (FE) models were developed using the finite element code, ABAQUS. Available test data in literature was used to validate the FE models. Subsequently, a parametric study was carried out to investigate the effects of various geometrical parameters of main members and reinforcement plates on the ultimate capacity of reinforced EHS T-joints. The parametric study found that the reinforcing plate significantly increases the ultimate capacity of EHS T-joints up to twice the capacity of the corresponding unreinforced joint. The thickness and length of the reinforcing plate have a positive effect on the ultimate capacity of Type 1 joints. This study, however, found that the capacity of Type 1 orientation is not dependent on the brace-to-chord diameter ratio. As for type 2 orientations, the thickness and length of the reinforcement have a minimal effect on the ultimate capacity. A new design method is introduced to predict the capacity of the reinforced EHS T-joints Type 1 and 2 based on the multiple linear regression analyses.
 
Key Words
    doubler plate; finite element analyses; elliptical hollow section; tubular joints; ultimate capacity
 
Address
Busra Sari and Emre Ozyurt: Department of Civil Engineering, Gumushane University, Gumushane, Turkey
 

Techno-Press: Publishers of international journals and conference proceedings.       Copyright © 2025 Techno Press
P.O. Box 33, Yuseong, Daejeon 305-600 Korea, Tel: +82-42-828-7996, Fax : +82-42-828-7997, Email: admin@techno-press.com