Evaluation of recycled tyre steel fibres adhesion to cement matrix

Michalik, Agnieszka; Chyliński, Filip; Piekarczuk, Artur; Pichór, Waldemar

doi:10.1016/j.jobe.2023.106146

Cited by 9 publications

(4 citation statements)

References 31 publications

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“…The study concludes that recycled tyre steel fibres, regardless of their thickness, demonstrate exceptional adhesion, hence improving the structural strength of concrete and its ability to bridge cracks. The crack-bridging effect helps in suppressing the propagation of micro-cracks, hence enhancing the cracking toughness of cement composites [26].…”

Section: Effect Of Geometry and Morphology Of Recycled Steel Fibre On...mentioning

confidence: 99%

“…However, the steel fibre retrieved from a tyre may have a less uniform shape where it may contain different variations of geometry, shape and length [33]. Figure 8 shows the typical shape of recycled steel fibre compared to the manufactured steel fibre in a study conducted by Michalik et al, 2023.…”

Section: Effect Of Geometry and Morphology Of Recycled Steel Fibre On...mentioning

confidence: 99%

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Application of Recycled Steel Fibre in Malaysia: A Review

Hamid,

Asrah,

Zainal Abidin

2024

MATEC Web Conf.

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The amount of waste tyres is expected to increase with the surge of vehicle ownership in Malaysia as tyres are vehicle vital components that require regular replacement. The improper disposal of waste tyres has generated environmental issues. Energy recovery through burning, recycling, and disposal in legal and illegal landfills are common methods in disposing of waste tyres in Malaysia. Studies show that waste tyres contain steel fibre that can be extracted and has the potential to be used in construction. In Malaysia, existing methods of material recovery are shredding and pyrolysis. The steel retrieved from waste tyres exhibits good adhesion with mechanical strength recorded up to 2165 MPa and a modulus of 300. However, the uneven shape, length, and geometry can lead to a balling effect when incorporated into concrete but with a proper mix proportion this issue can be managed. Addition of recycled steel fibre to concrete can enhance its structural strength and crack-bridging effect while the use of recycled steel fibre in hot mix asphalt can enhance its tensile strength and toughness. The utilisation of steel recovered from waste tyres presents an opportunity to address environmental concerns related to waste tyre disposal and its potential applications.

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Section: Effect Of Geometry and Morphology Of Recycled Steel Fibre On...mentioning

confidence: 99%

Section: Effect Of Geometry and Morphology Of Recycled Steel Fibre On...mentioning

confidence: 99%

Application of Recycled Steel Fibre in Malaysia: A Review

Hamid,

Asrah,

Zainal Abidin

2024

MATEC Web Conf.

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“…These components are separated by size reduction processes, which facilitates their subsequent recycling and reuse [12]. Recycled rubber and steel fibers from tires are widely used by the recycling industry in various applications [13][14][15][16][17][18][19][20][21]. However, polymeric fibers from ELTs (WTTF) present challenges in their industrial application due to their limited use.…”

Section: Introductionmentioning

confidence: 99%

Enhancing Fatigue Resistance in Asphalt Mixtures with a Novel Additive Derived from Recycled Polymeric Fibers from End-of-Life Tyres (ELTs)

Valdes-Vidal,

Calabi-Floody,

Mignolet-Garrido

et al. 2024

Polymers

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Waste-tire textile fibers (WTTF) represent a challenge for the recycling industry since there are currently very few alternatives for their use. In this study, an evaluation of the effect of a new additive developed in two granular formats from WTTF on the fatigue behavior of asphalt mixtures was performed. For the first format of the WTTF-based additive, its effect was evaluated on hot-mix asphalt (HMA), while for the second format of the additive, the effects were evaluated on stone mastic asphalt (SMA). This second format represents an alternative that allows for the total replacement of the cellulose stabilizing additive used in the reference mix. The evaluation of fatigue damage in the mixes was performed using the four-point bending beam (4PB) test specified in European standard EN 12697-24. The test results show that the asphalt mixtures manufactured with WTTF-based additives exhibited a higher capacity to resist load cycles before failure compared to the reference mixtures. Likewise, once the asphalt mixtures were evaluated in a pavement structure by means of an empirical mechanistic analysis, the pavement structures composed of asphalt mixtures with WTTF-based additives showed significant improvements in their durability for the different load axes evaluated. For an average thickness of 15 cm of asphalt mix of a pavement-type structure, the use of the WTTF additive increases the durability of the structures by up to 129% and 112% compared to the HMA and SMA reference mixtures, respectively. These results show that both formats of the WTTF-based admixture improve the fatigue damage resistance of the HMA and SMA asphalt mixtures.

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“…They found that the ductility and toughness of the cement mortar were improved due to the good compactness between the fiber and interface of the hydration product, resulting in an enhanced splitting strength and flexural strength. Recently, Michalik et al (2023) [22] examined the properties of a cement matrix reinforced with recycled tire steel fiber (RTSF), and their results showed that using RTSF improved fracture strength and fracture toughness due to the fiber crack-bridging effect, which is an effect afforded by using fiber reinforcement in a cement matrix. Interestingly, works in the literature have investigated the effect of RTSF on properties of the cementitious matrix.…”

Section: Introductionmentioning

confidence: 99%

Workability, Mechanical Properties, and Microstructure Analysis of Bottom Ash Mortar Reinforced with Recycled Tire Steel Fiber

Markpiban,

Sahamitmongkol

2023

Buildings

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Recycled tire steel fiber (RTSF) is added to mortar with pre-wetted bottom ash (BA) to enhance the mechanical properties of the mortar, in addition to providing an internal curing effect. This work investigated the mechanical properties of BA mortar, such as the compressive strength, splitting tensile strength, and flexural strength, including the heat of reactions and the total shrinkage, considering different contents of BA (i.e., 10%, 20%, and 30% replacements by volume of fine aggregate) and recycled steel fiber (RSF, i.e., 0.5% and 1.0% by volume). The results showed that BA reduced all mechanical properties; however, it increased the degree of hydration by raising the heat peak of hydration in the first 7 days, increasing the amount of calcium hydroxide at 28 days, and significantly refining the pore structure during the curing period. Regarding the effects of RTSF, the bridging effect positively affected the compressive strength, splitting tensile strength, and flexural strength of the mortar with 30% BA when 1% RTSF was added, increasing them by 25%, 46%, and 40%, respectively. Moreover, adding 1% RTSF reduced the total porosity of the mortar with 30% BA from 17.2% to 14.8%.

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Evaluation of recycled tyre steel fibres adhesion to cement matrix

Cited by 9 publications

References 31 publications

Application of Recycled Steel Fibre in Malaysia: A Review

Application of Recycled Steel Fibre in Malaysia: A Review

Enhancing Fatigue Resistance in Asphalt Mixtures with a Novel Additive Derived from Recycled Polymeric Fibers from End-of-Life Tyres (ELTs)

Workability, Mechanical Properties, and Microstructure Analysis of Bottom Ash Mortar Reinforced with Recycled Tire Steel Fiber

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