The mechanical performance of recycled cardboard kraft fibres within cement and concrete composites

Haigh, Robert; Bouras, Yanni; Sandanayake, Malindu; Vrcelj, Zora

doi:10.1016/j.conbuildmat.2021.125920

Cited by 16 publications

(20 citation statements)

References 59 publications

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“…Kraft fibers, the main constituent of cardboard materials, are also considered natural fibers that contain cellulose fibers. They have been investigated in cementitious materials and can enhance its tensile properties [ 28 ]. Softwood and hardwood fibers are also incorporated in cementitious materials; however, softwood fibers can increase the flexural strength and toughness of the composite [ 29 ].…”

Section: What Are Natural Fibers?mentioning

confidence: 99%

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A Review of the Use of Natural Fibers in Cement Composites: Concepts, Applications and Brazilian History

Rocha¹,

Júnior²,

Marvila³

et al. 2022

Polymers

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The use of natural lignocellulosic fibers has become popular all over the world, as they are abundant, low-cost materials that favor a series of technological properties when used in cementitious composites. Due to its climate and geographic characteristics, Brazil has an abundant variety of natural fibers that have great potential for use in civil construction. The objective of this work is to present the main concepts about lignocellulosic fibers in cementitious composites, highlighting the innovation and advances in this topic in relation to countries such as Brazil, which has a worldwide prominence in the production of natural fibers. For this, some common characteristics of lignocellulosic fibers will be observed, such as their source, their proportion of natural polymers (biological structure of the fiber), their density and other mechanical characteristics. This information is compared with the mechanical characteristics of synthetic fibers to analyze the performance of composites reinforced with both types of fibers. Despite being inferior in tensile and flexural strength, composites made from vegetable fibers have an advantage in relation to their low density. The interface between the fiber and the composite matrix is what will define the final characteristics of the composite material. Due to this, different fibers (reinforcement materials) were analyzed in the literature in order to observe their characteristics in cementitious composites. Finally, the different surface treatments through which the fibers undergo will determine the fiber–matrix interface and the final characteristics of the cementitious composite.

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Section: What Are Natural Fibers?mentioning

confidence: 99%

“… Comparative results of flexural strength of different natural fiber additions in cement composites [ 3 , 12 , 24 , 28 , 33 , 53 , 81 ]. …”

Section: Figurementioning

confidence: 99%

A Review of the Use of Natural Fibers in Cement Composites: Concepts, Applications and Brazilian History

Rocha¹,

Júnior²,

Marvila³

et al. 2022

Polymers

View full text Add to dashboard Cite

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“…Many studies have been performed using other recycled waste materials such as recycled coal bottom ash, waste lathe scraps, waste lathe fibres, and steel fibres extracted from waste tyres for cement-based composites [ 2 , 8 , 9 , 10 , 11 , 12 , 13 , 14 ] and these studies are also important as they address the reduction of environmental problems. In addition, studies have been published describing the use of waste cellulose-based fibres (i.e., both waste paper/cardboard and waste paper sludge) for cement-based composites [ 6 , 15 , 16 , 17 , 18 , 19 , 20 , 21 ]. The main objective of this review is to summarise the potential use of waste paper-based cellulose fibres as cementitious binder material for cement composite binders.…”

Section: Introductionmentioning

confidence: 99%

Sustainable Cement Composite Integrating Waste Cellulose Fibre: A Comprehensive Review

et al. 2023

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This review presents the research conducted to date in the field of cement-based composites reinforced with waste paper-based cellulose fibres, focusing on their composition, mechanical properties, and durability characteristics. The literature demonstrates that the properties of raw material (depending on their own chemical composition) significantly influence the formation of the cement composite binders. When considering fresh properties, the presence of silica and magnesium compounds generally lead to favourable effects on the setting of the cement composite when combined with waste paper cellulose fibre. Reduction in density values, i.e., approximately 25%, was observed with the inclusion of waste paper fibres from 20 to 80% in cement composites. The homogeneous dispersion of fibres in the matrix is one of the crucial factors to achieve in order to develop composites with well-balanced mechanical properties incorporating waste paper cellulose fibres. Hence, dispersion of fibres can be improved by increasing water quantity corresponding to the optimal value, which was a water/cement ratio of 0.64 leading to optimum strength properties of the composite. Even though the effect of fibre dispersion in the matrix improves with the addition of water, higher porosity and voids govern the strength properties beyond an optimum water-to-cement ratio. Higher porosity leads to an increase in the water absorption and a lowering of the thermal conductivity properties with the addition of paper fibre in cement binders. Paper fibre absorbs a high amount of water leading to higher water absorption. This phenomenon is related to the hydrophilic nature of cellulosic fibres absorbing some volume of water due to their microporous structure.

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“…Several solid wastes from various origins have shown great promise for employment in road building construction, including construction and demolition waste (e.g., building rubble, recycled concrete pavement, and recycled asphalt pavement) [ 13 ], reclaimed asphalt pavement [ 14 ], asphalt shingles [ 15 ], ground rubber tires [ 16 ], incinerator ash [ 17 ], glass [ 18 ], cardboard [ 19 ], and plastic [ 20 ], etc. These materials have been discovered as being able to enclose some recoverable elements that can potentially be used in highway-related applications.…”

Section: Introductionmentioning

confidence: 99%

Unlocking the Hidden Potential of Cosmetics Waste for Building Sustainable Green Pavements in the Future: A Case Study of Discarded Lipsticks

2022

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This investigation is dedicated to unlocking the hidden potential of discarded cosmetics towards building green sustainable road pavements in the future. It is particularly aiming at exploring waste lipstick (WLS) as a high-quality functional additive for advanced asphalt mix technologies. To fuel this novel innovation, the effect of various WLS doses (e.g., 5, 10, and 15 wt.%) on the performance of base AP-5 asphalt cement was studied in detail. A wide array of cutting-edge analytical lab techniques was employed to inspect in-depth the physicochemical, microstructural, thermo-morphological, and rheological properties of resultant admixtures including: elemental analysis, Fourier transform-infrared spectroscopy (FT-IR), X-ray diffraction (XRD), thin-layer chromatography-flame ionization detection (TLC-FID), scanning electron microscopy (SEM), atomic force microscopy (AFM), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), needle penetration, ring and ball softening point, Brookfield viscometer, ductility, and dynamic shear rheometer (DSR) tests. Unlike the unstable response of asphaltenes, the additive/artificial aging treatments increased the fraction of resins the most, and decreased that of aromatics; however, asphaltenes did not impair the saturates portion, according to Iatroscan research. FT-IR scan divulged that the WLS-asphalt interaction was physical rather than chemical. XRD diagnosis not only revealed an obvious correlation between the asphaltenes content and the fresh-binder crystallinity but also revealed the presence of fillers in the WLS, which may generate outstanding technical qualities to bituminous mixes. According to AFM/SEM analyses, the stepwise incorporation of WLS grew the magnitude of the “bee-shaped” microstructures and extended the roughness rate of unaged/aged binders. The prolonged consumption of the high thermal-stable additive caused a remarkable drop in the onset degradation and glass transition temperature of mixtures, thus enhancing their workability and low-temperature performance, according to TGA/DTGA/DSC data. The DSR and empirical rheological experiments demonstrated that the WLS could effectively lower the manufacturing and compaction temperatures of asphalt mixes and impart them with valuable anti-aging/fatigue-cracking assets. In a nutshell, the use of waste lipstick as an asphalt modifier is viable and cost-effective and could attenuate the pollution arisen from the beauty sector, while improving the performance of hot/warm asphalt mixes (HAM/WAM) and extending the service life of roadways.

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The mechanical performance of recycled cardboard kraft fibres within cement and concrete composites

Cited by 16 publications

References 59 publications

A Review of the Use of Natural Fibers in Cement Composites: Concepts, Applications and Brazilian History

A Review of the Use of Natural Fibers in Cement Composites: Concepts, Applications and Brazilian History

Sustainable Cement Composite Integrating Waste Cellulose Fibre: A Comprehensive Review

Unlocking the Hidden Potential of Cosmetics Waste for Building Sustainable Green Pavements in the Future: A Case Study of Discarded Lipsticks

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