Green concrete alternatives: Utilizing industrial byproducts in geopolymer systems
Source abstract
Abstract
The structural performance of Recycled Coarse Aggregate (RCA) concrete wrapped with Fiber-Reinforced Polymer (FRP) has received research attention; however, the confinement behavior of Red Mud-based Geopolymer Concrete (RMGC) incorporating RCA and strengthened with Carbon Fiber-Reinforced Polymer (CFRP) remains insufficiently addressed, particularly through advanced modeling. This study addresses this gap by experimentally and numerically evaluating the axial compressive behavior of CFRP-confined RMGC cylinders, where variations include concrete strength, number of CFRP layers, and confinement configuration. A validated Finite Element Modeling (FEM) model was employed to simulate key parameters, such as cylinder diameter, fiber thickness, modulus of elasticity, and orientation. Results revealed that confined strength improved by when the diameter and increased, while a reduction occurred with increased modulus . Additionally, a novel regression-based model was developed, achieving a predictive accuracy of , outperforming prior models. This study presents a refined analytical tool and a validated parametric database for optimizing CFRP confinement in geopolymer RCA concrete, thereby supporting sustainable, efficient, and high-performance structural design.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Concrete and Cement Materials Research · Innovative concrete reinforcement materials · Structural Behavior of Reinforced Concrete
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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