Improved concrete plastic-damage model for FRP-confined concrete based on true tri-axial experiment

B Li, J Jiang, H Xiong, Y Zhan, Z Wu… - Composite …, 2021 - Elsevier
The constitutive relationship of concrete under passive confinement of fibre reinforced
polymer (FRP) is one of the fundamental requirements for mechanical analysis of FRP …

[HTML][HTML] Modified plastic-damage model for passively confined concrete based on triaxial tests

M Mohammadi, YF Wu - Composites Part B: Engineering, 2019 - Elsevier
Plasticity-based models are used as the constitutive relationship of concrete under passive
confinement of fiber reinforced polymers (FRPs). Triaxial cube tests are needed for adjusting …

Local and global prediction on stress-strain behavior of FRP-confined square concrete sections

J Jiang, P Li, N Nistico - Composite Structures, 2019 - Elsevier
The objective of this paper is to introduce a modified local-to-global methodology to
understand the effect of fiber reinforced polymer (FRP) confinement on square concrete …

Stress–Strain Model for FRP-Confined Circular Concrete Columns Developing Structural Softening Behavior

J Shayanfar, JAO Barros… - Journal of Composites for …, 2024 - ascelibrary.org
Even though several stress–strain models have been proposed for fiber-reinforced polymer
(FRP)-confined concrete columns subjected to axial compressive loading, very few models …

New mechanics-based confinement model and stress–strain relationship for analysis and design of concrete columns wrapped with FRP composites

K Khorramian, P Sadeghian - Structures, 2021 - Elsevier
The analysis and design of concrete columns wrapped with fiber-reinforced polymer (FRP)
composites require the mathematical equation of stress–strain relationship and the ultimate …

FE modeling of Non-circular LRS FRP-confined concrete columns

M Mohammadi, YL Bai, HL Yang, G Lin, JG Dai… - Composite …, 2022 - Elsevier
In concrete columns confined with large rupture strain (LRS) fiber-reinforced polymers
(FRPs), the LRS FRPs enhance the strength and ductility of concrete columns with the same …

Axial stress–strain relationship for FRP confined circular and rectangular concrete columns

MH Harajli - Cement and Concrete Composites, 2006 - Elsevier
A general mathematical model is developed to describe the stress–strain (fc–εc) relationship
of FRP confined concrete. The relationship is applicable to both circular and rectangular …

Behavior and three-dimensional finite element modeling of circular concrete columns partially wrapped with FRP strips

J Zeng, Y Guo, L Li, W Chen - Polymers, 2018 - mdpi.com
Fiber-reinforced polymer (FRP) jacketing/wrapping has become an attractive strengthening
technique for concrete columns. Wrapping an existing concrete column with continuous FRP …

A versatile model with a design framework for axially-loaded FRP-confined concrete with/without a stress reduction-recovery behavior

J Shayanfar, JAO Barros, JPC Pereira - Construction and Building Materials, 2024 - Elsevier
Given the magnitude of investigations conducted on axially-loaded FRP-confined concrete
columns in the past two decades, the focus of these studies was mainly given on FRP …

A versatile continuous model for predicting various post-peak patterns of FRP-confined concrete

Z Zhu, Y Zhou, Z Li, H Li, B Hu, P Li - Composite Structures, 2022 - Elsevier
The utilization of fiber reinforced polymers (FRPs) is currently recognized as an effective
solution against concrete deterioration. The external FRP not only provides strength and …