[HTML][HTML] A systematic review of stress concentration factors (SCFs) in composite reinforced circular hollow section (CHS) joints

M Iqbal, S Karuppanan, V Perumal, M Ovinis… - Composites Part C: Open …, 2024 - Elsevier
Abstract" Composites are an emerging choice for strengthening and repairing compromised
structures due to their attractive mechanical properties, environmental durability, and ease of …

Empirical modeling of stress concentration factors using finite element analysis and artificial neural networks for the fatigue design of tubular KT‐joints under …

M Iqbal, S Karuppanan, V Perumal… - Fatigue & Fracture of …, 2023 - Wiley Online Library
The hotspot stress (HSS) approach for the fatigue design of tubular joints requires that peak
HSS be known. Peak HSS in tubular joints is usually determined based on the stress …

Experimental study on CFRP reinforcement and static performance of CHS KT-joints

L Tong, T Wang, X Xu, F Gao, W Shi, F Zhou - Journal of Constructional …, 2024 - Elsevier
Owing to the engineering application demands for the reinforcement of complex joints in
multiplanar circular hollow section (CHS) trusses, this study investigated the reinforcement …

[HTML][HTML] Stress concentration factors in CFRP-reinforced KT-joints under multiplanar bending loads: experimental and numerical investigation

M Iqbal, S Karuppanan, V Perumal, M Ovinis… - Results in …, 2025 - Elsevier
Composite materials are widely utilised for rehabilitating critical load-bearing members,
including the joints of circular hollow section (CHS) structures, due to their enhanced …

Stress concentration factors in KT-joints subjected to complex bending loads using artificial neural networks

M Iqbal, S Karuppanan, V Perumal… - Civil Engineering …, 2024 - open-access.bcu.ac.uk
Fatigue analysis of tubular joints based on peak stress concentration factor (SCF) is critical
for offshore structures as it determines the fatigue life of the joint and possibly the overall …

SCF determination of the CFRP-fortified T/Y-joints exposed to IPB or OPB moment via ZPSS approach

HS Mohamed, XS Yang, FY Liao, T Fu - Structures, 2024 - Elsevier
The stress concentration factor (SCF) of the T/Y-joints fortified with CFRP is assessed under
in-plane (IPB) or out-of-plane bending (OPB) loading by employing the innovative Zero …

Optimization of fibre orientation for composite reinforcement of circular hollow section KT-joints

M Iqbal, S Karuppanan, V Perumal, M Ovinis… - International Journal of …, 2024 - emerald.com
Purpose Composite materials are effective alternatives for rehabilitating critical members of
offshore platforms, bridges, and other structures. The structural response of composite …

An artificial neural network model for the stress concentration factors in KT-joints subjected to axial compressive load

M Iqbal, S Karuppanan, V Perumal… - Materials Science …, 2023 - Trans Tech Publ
Stress concentration factor (SCF) is usually used to estimate the fatigue life of an offshore
joint. Historically, parametric equations were used to estimate SCF based on a statistical …

[PDF][PDF] Multi-objective optimization of stress concentration factors for fatigue design of internal ring-reinforced KT-joints undergoing brace axial compression

A Rasul, S Karuppanan, V Perumal, M Ovinis… - Civ. Eng. J, 2024 - researchgate.net
Stress concentration factors are important to determine fatigue life based on the SN curve
methodology, where the lower the stress concentration factor, the higher the fatigue life. In …

Numerical investigation of crack mitigation in tubular KT-joints using composite reinforcement

M Iqbal, S Karuppanan, V Perumal, M Ovinis… - Engineering …, 2023 - mdpi.com
Recently, fiber-reinforced polymers (FRP) have begun to be used for steel structure
reinforcement, following decades of successful utilization for the reinforcement of concrete …