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Compressive Performance of Fiber Reinforced Recycled Aggregate Concrete by Basalt Fiber Reinforced Polymer-Polyvinyl Chloride Composite Jackets

Zhijie Fan1, Huaxin Liu1, Genjin Liu2,*, Xuezhi Wang1, Wenqi Cui1
1 Civil Engineering & Architecture College, Liaoning University of Technology, Jinzhou, 121001, China
2 School of Civil Engineering & Architecture, Ningbo Tech University, Ningbo, 315100, China
* Corresponding Author: Genjin Liu. Email:
(This article belongs to this Special Issue: Natural Fibre Composites: Design, Materials Selection and Fabrication)

Journal of Renewable Materials 2023, 11(4), 1763-1791. https://doi.org/10.32604/jrm.2023.024319

Received 31 May 2022; Accepted 09 August 2022; Issue published 01 December 2022

Abstract

The development of recycled aggregate concrete (RAC) provides a new approach to limiting the waste of natural resources. In the present study, the mechanical properties and deformability of RACs were improved by adding basalt fibers (BFs) and using external restraints, such as a fiber-reinforced polymer (FRP) jacket or a PVC pipe. Samples were tested under axial compression. The results showed that RAC (50% replacement of aggregate) containing 0.2% BFs had the best mechanical properties. Using either BFs or PVC reinforcement had a slight effect on the loadbearing capacity and mode of failure. With different levels of BFs, the compressive strengths of the specimens reinforced with 1-layer and 3-layer basalt fiber reinforced polymer (BFRP) increased by 6.7%–10.5% and 16.5%–23.7%, respectively, and the ultimate strains increased by 48.5%–80.7% and 97.1%–141.1%, respectively. The peak stress of the 3-layer BFRP-PVC increased by 42.2%, and the ultimate strain improved by 131.3%, relative to the control. This reinforcement combined the high tensile strength of BFRP, which improved the post-peak behavior, and PVC, which enhanced the structural durability. In addition, to investigate the influence of the various constraints on compressive behavior, the stress-strain response was analyzed. Based on the analysis of experimental results, a peak stress-strain model and an amended ultimate stress-strain model were proposed. The models were verified as well; the result showed that the predictions from calculations are generally consistent with the experimental data (error within 10%). The results of this study provide a theoretical basis and reference for future applications of fiber-reinforced recycled concrete.

Graphical Abstract

Compressive Performance of Fiber Reinforced Recycled Aggregate Concrete by Basalt Fiber Reinforced Polymer-Polyvinyl Chloride Composite Jackets

Keywords

Basalt fiber reinforced polymer; polyvinyl chloride; recycled aggregate concrete; axial compression performance; stress-strain relationships; stress-strain model

Cite This Article

Fan, Z., Liu, H., Liu, G., Wang, X., Cui, W. (2023). Compressive Performance of Fiber Reinforced Recycled Aggregate Concrete by Basalt Fiber Reinforced Polymer-Polyvinyl Chloride Composite Jackets. Journal of Renewable Materials, 11(4), 1763–1791.



This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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