Coupled specimen and fiber dimensions influence measurement on the properties of fiber-reinforced soil

Tabakouei, A. Reza; Narani, Shayan Sheikhi; Abbaspour, Mohsen; Aflaki, Esmail; Siddiqua, Sumi

doi:10.1016/j.measurement.2021.110556

Cited by 17 publications

(8 citation statements)

References 71 publications

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“…When dealing with different fiber-reinforced composites, it is of great importance to understand how the fibers type, diameter and length can affect the properties and processing of the resulting reinforced samples. For example, an increase in fiber length results in higher probability of fiber agglomeration, which increases the required time of mixing [ 73 ]. For example, Tabakouei et al [ 73 ] reinforced sandy soil with three different lengths of fibers including WTTF, date palm (DP) and PP fibers with diameters of 71, 100 and 151 mm, respectively.…”

Section: Soil Compositementioning

confidence: 99%

“…For example, an increase in fiber length results in higher probability of fiber agglomeration, which increases the required time of mixing [ 73 ]. For example, Tabakouei et al [ 73 ] reinforced sandy soil with three different lengths of fibers including WTTF, date palm (DP) and PP fibers with diameters of 71, 100 and 151 mm, respectively. In WTTF-reinforced soil, contrary to the role of fiber diameter, an increase in fiber length contributed to higher ductility and toughness combined with a drop of the elastic modulus due to the reduced stiffness of longer fibers compared to shorter ones [ 73 ].…”

Section: Soil Compositementioning

confidence: 99%

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Sustainable Reuse of Waste Tire Textile Fibers (WTTF) as Reinforcements

Fazli

Rodrigue

2022

Polymers

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Waste tire textile fibers (WTTF), as a by-product (10–15% by weight of tires) of end-of-life tires (ELT) mechanical recycling (grinding), are classified as hazardous wastes and traditionally burnt (thermal recycling) or buried (landfilling), leading to several environmental and ecological issues. Thus, WTTF still represent an important challenge in today’s material recycling streams. It is vital to provide practical and economical solutions to convert WTTF into a source of inexpensive and valuable raw materials. In recent years, tire textile fibers have attracted significant attention to be used as a promising substitute to the commonly used natural/synthetic reinforcement fibers in geotechnical engineering applications, construction/civil structures, insulation materials, and polymer composites. However, the results available in the literature are limited, and practical aspects such as fiber contamination (~65% rubber particles) remain unsolved, limiting WTTF as an inexpensive reinforcement. This study provides a comprehensive review on WTTF treatments to separate rubber and impurities and discusses potential applications in expansive soils, cement and concrete, asphalt mixtures, rubber aerogels and polymer composites.

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Section: Soil Compositementioning

confidence: 99%

Section: Soil Compositementioning

confidence: 99%

Sustainable Reuse of Waste Tire Textile Fibers (WTTF) as Reinforcements

Fazli

Rodrigue

2022

Polymers

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“…With the development 1335 (2024) 012011 IOP Publishing doi:10.1088/1755-1315/1335/1/012011 2 of the fiber industry, cost-effective chemical fiber products have been increasingly used in the engineering field; thus, fiber reinforcement as a new type of geotechnical reinforcement technology has received wide attention. At present, most researchers at home and abroad have studied the influence of fiber reinforcement on the mechanical properties of sand by conducting triaxial compression tests [24][25][26][27][28], direct shear tests [29][30][31], and unconfined compressive strength tests [32][33][34][35] and have achieved interesting research results. The most commonly used fiber materials include polypropylene fibers [36][37][38][39], carbon fibers [40][41], and glass fibers [42][43][44][45].…”

Section: Introductionmentioning

confidence: 99%

Analysis of basalt fiber reinforcement on static shear properties of Beibu Gulf sea sand

Wang,

He,

Tang

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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Basalt fibers are a reinforcing material with excellent mechanical properties and durability. In contrast, although Beibu Gulf sea sand is widely in engineering, it exhibits low strength and poor stability, which can be improved by adding basalt fibers. In this study, the effects of fiber content, fiber length, and effective confining pressure on the static shear strength of fiber-reinforced sea sand were investigated using a triaxial shear test. The maximum improvement on the static shear characteristics and deformation resistance of sea sand were achieved for a fiber content and length of 0.8% and 12 mm, respectively. The cohesion and internal friction angle of sea sand were improved and the secant modulus and strain before and after basalt fiber reinforcement showed a nonlinear attenuation tendency. The reinforcement effect coefficient R and the basalt fiber content under different dosages were in accordance with the law of the Gaussian function. The value of R conformed to a linear growth and exponential function law under different fiber lengths and effective confining pressures, respectively. This study provides a solid theoretical basis for the sustainable utilization of sea sand resources and fiber reinforcement for road and coastal protection engineering in the Beibu Gulf region.

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“…For all these reasons mentioned above and due to its high strength and Young's Modulus, non-biodegradability, low cost, and easy accessibility, PP ber was preferred as the reinforcement material in this study. The studies carried out for glass ber-reinforced soils [1][2][3][4][5][6][7], for PP ber-reinforced soils [8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24], for polyvinyl alcohol berreinforced soils [25][26][27], for polyvinyl chloride ber-reinforced soils [28] for nylon ber-reinforced soils [29][30][31][32], for polyester-ber reinforced soils [33][34][35] are some of the studies conducted on soils reinforced with synthetic bers. Literature studies have shown remarkable improvements in the engineering properties of soils with the addition of synthetic bers.…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of the Mechanical Properties of Polypropylene Fiber-Reinforced Clay Soil and Development of Predictive Models: Effects of Fiber Length and Fiber Content

Yazici,

Keskin

2023

Preprint

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This study investigated the mechanical properties of a low plasticity clay soil reinforced with polypropylene (PP) fiber in various contents (0.05%, 0.10%, 0.15%, 0.20%) and lengths (6, 12, 19 mm). The reinforced specimens were subjected to unconsolidated-undrained (UU) triaxial compression tests under three different confining pressures (50, 100, and 200 kPa). The optimum fiber contents in specimens reinforced with 6, 12, and 19 mm PP fiber were determined as 0.15%, 0.15%, and 0.20%, respectively. As a result, the highest values regarding deviator stress at failure (σdev), energy absorption capacity (EAC), and shear strength parameters occurred in specimens containing 0.20% PP (19 mm). As a result of the reinforcement process, the most remarkable improvements in the σdev, cohesion, internal friction angle, and EAC values of the natural soil are 59.95%, 21.80%, 63%, and 34.70%, respectively. Linear and non-linear relationships between σdev and fiber length, fiber content, and confining pressure were investigated by multiple linear regression (MLR) and artificial neural network (ANN) methods. Equations were generated to predict σdev of a low plasticity clay soil reinforced with PP fiber and were made available to geotechnical researchers.

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Coupled specimen and fiber dimensions influence measurement on the properties of fiber-reinforced soil

Cited by 17 publications

References 71 publications

Sustainable Reuse of Waste Tire Textile Fibers (WTTF) as Reinforcements

Sustainable Reuse of Waste Tire Textile Fibers (WTTF) as Reinforcements

Analysis of basalt fiber reinforcement on static shear properties of Beibu Gulf sea sand

Experimental Investigation of the Mechanical Properties of Polypropylene Fiber-Reinforced Clay Soil and Development of Predictive Models: Effects of Fiber Length and Fiber Content

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