Mechanical properties of recycled PET fibers in concrete
Fernando Pelisser,Oscar Rubem Klegues Montedo,Philippe Jean Paul Gleize,Humberto Ramos Roman +3 more
TLDR
In this article, an experimental study of recycled-bottle-PET fiber-reinforced concrete was performed, including the determination of compressive strength, flexural strength, Young's modulus and fracture toughness as well as analysis using mercury intrusion porosimetry and scanning electron microscopy (SEM).Abstract:
Fiber-reinforced concrete represents the current tendency to apply more efficient crack-resistant concrete. For instance, polyethylene terephthalate (PET) is a polyester polymer obtained from recyclable bottles; it has been widely used to produce fibers to obtain cement-based products with improved properties. Therefore, this paper reports on an experimental study of recycled-bottle-PET fiber-reinforced concrete. Fibers with lengths of 10, 15 and 20 mm and volume fractions of 0.05, 0.18 and 0.30% related to the volume of the concrete were used. Physical and mechanical characterization of the concrete was performed, including the determination of compressive strength, flexural strength, Young’s modulus and fracture toughness as well as analysis using mercury intrusion porosimetry (MIP) and scanning electron microscopy (SEM). Flexure and impact tests were performed after 28 and 150 days. No significant effect of the fiber addition on the compressive strength and modulus of elasticity was observed. However, the Young’s modulus was observed to decrease as the fiber volume increased. At 28 days, the concrete flexural toughness and impact resistance increased with the presence of PET fibers, except for the 0.05 vol.% sample. However, at 150 days, this improvement was no longer present due to recycled-bottle-PET fiber degradation in the alkaline concrete environment, as visualized by SEM observations. An increase in porosity also has occurred at 365 days for the fiber-reinforced concrete, as determined by MIP.read more
Citations
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Use of recycled plastics in concrete: A critical review.
Lei Gu,Togay Ozbakkaloglu +1 more
TL;DR: The morphology of concrete containing plastic materials is described in this paper to explain the influence of plastic aggregates and plastic fibers on the properties of concrete.
Journal ArticleDOI
Use of different forms of waste plastic in concrete – a review
Raju Sharma,Prem Pal Bansal +1 more
TL;DR: In this article, the authors present an overview of some published research regarding the use of waste plastic in concrete and the effects of plastic addition on the fresh, mechanical and thermal properties of concrete.
Journal ArticleDOI
Early age performance and mechanical characteristics of recycled PET fibre reinforced concrete
TL;DR: In this paper, the performance of concrete reinforced with fibres produced from waste non-biodegradable plastic, polyethylene terephthalate (PET), has been thoroughly investigated.
Journal ArticleDOI
Mechanical properties of concrete reinforced with recycled HDPE plastic fibres
TL;DR: In this article, the authors investigated potential engineering benefits of the pioneering application of simply extruded recycled high-density polyethylene (HDPE) plastic fibres in structural concrete and found that the Fibres mainly contributed by providing the post-cracking flexural ductility and through improving serviceability properties of concrete such as the reduced plastic shrinkage cracking, drying shrinkage and water permeability.
Journal ArticleDOI
Recycled Fibers in Reinforced Concrete: a systematic literature review
TL;DR: In this article, a systematic literature review on concrete reinforcement using recycled fiber reinforced concrete (RFRC) is presented, and the main goal is to provide an exhaustive analysis of the phenomenon with rigorous and reproducible research criteria.
References
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Changes in portlandite morphology with solvent composition: Atomistic simulations and experiment
TL;DR: In this article, a new analysis tool was developed to quantify the experimentally observed changes in morphology of portlandite, allowing the calculation of the relative surface energies of the crystal facets.
Book
Fibre Reinforced cementitious Composites
Arnon Bentur,Sidney Mindess +1 more
TL;DR: In this article, the mechanical behaviour of fibre reinforced cementitious materials with different fibres is investigated. But they do not discuss the properties of different types of fiber reinforced cement composites.
Journal ArticleDOI
Material and structural performance evaluation of recycled pet fiber reinforced concrete
TL;DR: In this paper, a method to recycle wasted PET bottles is presented, in which short fibers made from recycled PET are used within structural concrete, and the results show that compressive strength and elastic modulus both decreased as fiber volume fraction increased.