Applications of Synthetic, Natural, and Waste Fibers in Asphalt Mixtures: A Citation-Based Review

Alnadish, Adham Mohammed; Singh, Narinderjit Singh Sawaran; Alawag, Aawag Mohsen

doi:10.3390/polym15041004

Cited by 12 publications

(4 citation statements)

References 179 publications

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“…[ 27 , 28 , 29 ]. It has been shown that the introduction of fibers in asphalt mixtures can enhance the strength and stiffness of the mixtures [ 30 ], giving them higher modulus, viscosity, water stability, high-temperature stability, low-temperature crack resistance, and durability, which prolongs the service life of asphalt mixtures as pavement materials [ 31 , 32 ]. Qin et al [ 33 ] examined the effect of basalt fibers of varied lengths (6 mm, 9 mm, and 15 mm) and contents (3–10%) on the properties of asphalt mastics and found out that the addition of basalt fibers generally improved the properties of asphalt mastics especially the crack resistance.…”

Section: Introductionmentioning

confidence: 99%

Water Stability of Fibers-Enhanced Asphalt Mixtures under Static and Dynamic Damage Conditions

Xiao,

Wang,

Chen

et al. 2024

Materials

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Water damage is one of the major distresses of asphalt pavements. Existing methods for investigating the water stability of asphalt mixtures rely primarily on static water test methods, the tensile strength ratio (TSR) test, and the retained Marshall stability (RMS) test, which evaluate the strength and stability loss after freeze-thaw damage or hot water immersion, respectively. However, these methods do not accurately replicate the actual dynamic water damage conditions to pavement. Therefore, in this study, a variety of damage conditions, including static water conditions and dynamic water pressure conditions, were used to investigate the effects of lignin fibers (LFs), polyester fibers (PFs), and polypropylene fibers (PPFs) on the water stability of asphalt mixtures. First, three fibers-enhanced SMA gap-gradation asphalt mixtures were designed. Then, TSR and RMS were measured under traditional static water damage conditions and new dynamic water pressure damage conditions to evaluate the effect of fiber types on the water stability of asphalt mixtures. Finally, the void rate of asphalt mixtures and its changes under dynamic water damage conditions were further revealed with the help of CT scanning technique. Results showed that, among these three types of fibers, PFs-enhanced asphalt mixture exhibited excellent stability under both static and dynamic water conditions, and the CT scanning test also indicated that the PFs can significantly reduce the increase rate of voids in asphalt mixtures after dynamic water pressure damage. This study identified the potential of incorporating suitable type of fiber to enhance the performance of asphalt mixture under dynamic water pressure damage.

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Section: Introductionmentioning

confidence: 99%

Water Stability of Fibers-Enhanced Asphalt Mixtures under Static and Dynamic Damage Conditions

Xiao,

Wang,

Chen

et al. 2024

Materials

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“…Li et al delved into the application of reclaimed asphalt pavement (RAP) and observed enhanced pavement durability and reduced environmental impact [ 16 ]. Additionally, Adham et al focused on the use of waste materials, such as fly ash and slag, showcasing their potential to improve asphalt properties [ 17 ]. These studies enhance our understanding of various recycled materials, offering insights for the development of eco-friendly and high-performance asphalt mixtures.…”

Section: Introductionmentioning

confidence: 99%

Sustainable Asphalt Mixtures with Enhanced Water Resistance for Flood-Prone Regions Using Recycled LDPE and Carnauba–Soybean Oil Additive

Kim,

2024

Polymers

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This manuscript presents a comprehensive study on the sustainable optimization of asphalt mixtures tailored for regions prone to flooding. The research addresses the challenges associated with water damage to asphalt pavements by incorporating innovative additives. The study centers on incorporating recycled Low-Density Polyethylene (LDPE) and a tailored Carnauba–Soybean Oil Additive, advancing asphalt mixtures with a Control mix, LDPE (5%) + Control, and LDPE (5%) + 3% Oil + Control. A critical aspect of the research involves subjecting these mixtures to 30 wetting and drying cycles, simulating the conditions prevalent in tropical flood-prone areas. The incorporation of innovative additives in asphalt mixtures has demonstrated significant improvements across various performance parameters. Tensile Strength Ratio (TSR) tests revealed enhanced tensile strength, with the LDPE (5%) + 3% Oil-modified mixture exhibiting an impressive TSR of 85.7%. Dynamic Modulus tests highlighted improved rutting resistance, showcasing a remarkable increase to 214 MPa in the LDPE (5%) with a 3% Oil-modified mixture. The Semi-Circular Bending (SCB) test demonstrated increased fracture resistance and energy absorption, particularly in the LDPE (5%) with 3% Oil-modified mixture. Hamburg Wheel-Tracking (HWT) tests indicated enhanced moisture resistance and superior rutting resistance at 20,000 cycles for the same mixture. Cantabro tests underscored improved aggregate shatter resistance, with the LDPE (5%) + 3% Oil-modified mixture exhibiting the lowest weight loss rate at 9.820%. Field tests provided real-world insights, with the LDPE (5%) + 3% Oil mixture displaying superior stability, a 61% reduction in deflection, and a 256% improvement in surface modulus over the control mixture. This research lays the groundwork for advancing the development of sustainable, high-performance road pavement materials, marking a significant stride towards resilient infrastructure in flood-prone areas.

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“…Furthermore, the use of recycled aggregates and waste materials, such as crushed glass and ceramic, has also been investigated as a sustainable alternative to traditional aggregates [14][15][16]. To improve the durability of asphalt concrete pavements in tropical climates, some studies have focused on the use of asphalt mixtures with highstrength properties [17,18]. For example, research has shown that using high-performance fiber-reinforced asphalt concrete (HPFRAC) can improve the resistance of pavements to cracking and rutting [19,20].…”

Section: Introductionmentioning

confidence: 99%

Durability of Polymer-Modified Asphalt Mixture with Wasted Tire Powder and Epoxy Resin under Tropical Climate Curing Conditions

Kim

2023

Polymers

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The quality of pavements in tropical climates is negatively affected by the frequent wet and dry cycles during the rainy season, as well as by issues related to overloading from heavy trucks and traffic congestion. Contributing to this deterioration are factors such as acid rainwater, heavy traffic oils, and municipal debris. In light of these challenges, this study aims to assess the viability of a polymer-modified asphalt concrete mixture. This study investigates the feasibility of a polymer-modified asphalt concrete mixture with the addition of 6% crumb rubber powder from waste car tires and 3% epoxy resin to counter the harsh conditions of tropical climate weather. The study involved subjecting test specimens to five to 10 cycles of contaminated water (100% rainwater + 10% used oil from trucks), curing for 12 h, and air drying in a chamber of 50 °C for 12 h to simulate critical curing conditions. The specimens underwent fundamental laboratory performance tests such as the indirect tensile strength test, dynamic modulus test, four points bending test, and Cantabro test, as well as the double load condition in the Hamburg wheel tracking test to determine the effectiveness of the proposed polymer-modified material in actual conditions. The test results confirmed that the simulated curing cycles had a critical impact on the durability of the specimens, with the greater curing cycles leading to a significant drop in the strength of the material. For example, the TSR ratio of the control mixture dropped from 90% to 83% and 76% after five and 10 curing cycles, respectively. Meanwhile, the modified mixture showed a decrease from 93% to 88% and 85% under the same conditions. The test results revealed that the effectiveness of the modified mixture outperformed the conventional condition in all tests, with a more prominent impact observed under overload conditions. Under double conditions in the Hamburg wheel tracking test and a curing condition of 10 cycles, the maximum deformation of the control mixture sharply increased from 6.91 to 22.7 mm, whereas the modified mixture increased from 5.21 to 12.4 mm. Overall, the test results confirm the durability of the polymer-modified asphalt concrete mixture under harsh tropical climate conditions, promoting its application for sustainable pavements, especially in Southeast Asian countries.

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Applications of Synthetic, Natural, and Waste Fibers in Asphalt Mixtures: A Citation-Based Review

Cited by 12 publications

References 179 publications

Water Stability of Fibers-Enhanced Asphalt Mixtures under Static and Dynamic Damage Conditions

Water Stability of Fibers-Enhanced Asphalt Mixtures under Static and Dynamic Damage Conditions

Sustainable Asphalt Mixtures with Enhanced Water Resistance for Flood-Prone Regions Using Recycled LDPE and Carnauba–Soybean Oil Additive

Durability of Polymer-Modified Asphalt Mixture with Wasted Tire Powder and Epoxy Resin under Tropical Climate Curing Conditions

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