Rehabilitation techniques for offshore tubular joints

M Iqbal, S Karuppanan, V Perumal, M Ovinis… - Journal of Marine …, 2023 - mdpi.com
Exposure to load and offshore environment degrades the load-bearing capacity of tubular
joints, necessitating reinforcement of these joints. Reinforcement is sometimes required for …

Static strength of T-joints reinforced with doubler or collar plates. I: Experimental investigations

YS Choo, GJ Van der Vegte, N Zettlemoyer… - Journal of Structural …, 2005 - ascelibrary.org
One of the alternatives to enhance the strength of a tubular joint involves the application of
doubler or collar plates as reinforcement. In order to gain understanding of the effect of plate …

Numerical investigation of FRP-strengthened tubular T-joints under axial compressive loads

M Lesani, MR Bahaari, MM Shokrieh - Composite structures, 2013 - Elsevier
This paper presents the failure pattern, ultimate static strength and detailed behavior of steel
tubular T-joints strengthened by fiber reinforced polymer (FRP) obtained from numerical …

Static strength of T-joints reinforced with doubler or collar plates. II: Numerical simulations

GJ Van der Vegte, YS Choo, JX Liang… - Journal of Structural …, 2005 - ascelibrary.org
In the companion paper, the results of 12 tests on reinforced and unreinforced tubular T-
joints subjected to axial brace loading were presented. The current study reports the finite …

Geometrical effects on the LJF of tubular T/Y-joints with doubler plate in offshore wind turbines

H Nassiraei - Ships and Offshore Structures, 2022 - Taylor & Francis
In this study, the Local Joint Flexibility (LJF) of tubular T/Y-joints with doubler plate under in-
plane bending (IPB) load is investigated. In the first step, a finite element (FE) model was …

Static strength of collar plate reinforced tubular T/Y-joints under brace compressive loading

H Nassiraei, MA Lotfollahi-Yaghin, H Ahmadi - Journal of Constructional …, 2016 - Elsevier
In the present paper, the static strength of steel collar plate reinforced tubular T/Y-joints is
numerically investigated. A finite element (FE) model was developed and the results were …

FRP wrap** for the rehabilitation of Circular Hollow Section (CHS) tubular steel connections

M Lesani, MR Bahaari, MM Shokrieh - Thin-Walled Structures, 2015 - Elsevier
This paper presents the results of a numerical and experimental research program
conducted on T and Y shaped steel tubular connections made of Circular Hollow Sections …

Static capacity of tubular X-joints reinforced with collar plate subjected to brace compression

H Nassiraei, L Zhu, MA Lotfollahi-Yaghin… - Thin-Walled Structures, 2017 - Elsevier
In the present paper, the effect of the collar plate on the static capacity of circular hollow
section (CHS) X-joints under brace compression is experimentally and numerically …

Static strength of doubler plate reinforced tubular T/Y-joints under in-plane bending load

H Nassiraei, MA Lotfollahi-Yaghin, H Ahmadi… - Journal of Constructional …, 2017 - Elsevier
In the present paper, results of comprehensive finite element (FE) analyses performed on
210 generated models of T/Y-joints strengthened with doubler plate are presented. The …

Static strength of offshore tubular T/Y-joints reinforced with collar plate subjected to tensile brace loading

H Nassiraei, MA Lotfollahi-Yaghin, H Ahmadi - Thin-Walled Structures, 2016 - Elsevier
This paper studies the static strength of circular hollow section (CHS) T/Y-joints reinforced
with collar plates subjected to axial tension load. The SOLID186 in ANSYS was utilized to …