Evaluation of Experimental Results of GFRP-Confined Concrete and Existing Stress-Strain Models
Year: 2025
Type: article
Abstract: This study investigates the enhancement of mechanical properties in glass fiberreinforced polymer (GFRP) concrete confined with fiber reinforced polymer (FRP).Experimental tests were conducted on confined circular concrete samples with varying strengths and glass fiber contents.The axial compression behavior was analyzed by examining the stress-strain (𝜎-ε) relationship.Due to the wide range of predictive models available, selecting an accurate expression to represent the (𝜎-ε) behavior for validating experimental results is challenging.To address this, six numerical programs were developed based on six behavioral models from previous research deemed effective.These models were compared against experimental data from samples differing in strength, fiber content, and number of confinement layers.The findings emphasize the relevance and accuracy of certain tested formulations.However, some models, despite their strong research background, tend to either underestimate or overestimate the compression response, limiting their reliability for design and prediction purposes.
DOI: 10.18280/acsm.490604
Institution: University of Batna 2
Language: English
Subfield: Building and Construction
Field: Engineering
Domain: Physical Sciences
Open Access status: hybrid
OpenAlex ID: W7127613627