Evaluation of Open-Graded Friction Course Mixtures Containing Cellulose Fibers and Styrene Butadiene Rubber Polymer

Hassan, Hossam F.; Al-Oraimi, Salim; Taha, Ramzi

doi:10.1061/(asce)0899-1561(2005)17:4(416)

Cited by 93 publications

(45 citation statements)

References 3 publications

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“…The reported results indicate that fiberasphalt mixtures have good moisture resistance, creep compliance, and rutting resistance, low-temperature anticracking properties, and durability (Tapkin et al 2010). The mechanism of how fibers modify asphalt is complicated, yet the impact upon pavement performance is profound (Hassan et al 2005).…”

Section: Introductionmentioning

confidence: 98%

“…Experimental results have shown that fibers have better performance than polymers in reducing draindown of AC mixtures, and this is the reason why fibers are widely used in stone matrix asphalt and open-graded friction course (Hassan et al 2005). In terms of efficiency, fiber-asphalt mixture shows a slight increase in the optimum asphalt binder content compared with the pure asphalt mixture.…”

Section: Introductionmentioning

confidence: 99%

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Stabilizing and reinforcing effects of different fibers on asphalt mortar performance

Zhang

et al. 2015

Pet. Sci.

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Physical properties of different fibers (mineral, cellulose, or carbon fiber) and their stabilizing and reinforcing effects on asphalt mortar performance were studied. Scanning electron microscopy was used to study the effect of fiber's microstructure on asphalt mortar's performance. Laboratory tests of mesh-basket draindown and oven heating were designed and performed to evaluate the fibers' asphalt absorption and thermostability. A cone penetration test was used to study the flow resistance of fiber-modified asphalt mortar. Results showed that fiber can form a three-dimensional network structure in asphalt, and this network can be retained at high temperature. This network of fibers favors the formation of a thick coating of mastic without asphalt draining down. Cellulose fiber possessed a greater effect on asphalt absorption and stabilization than did the other fibers (mineral and carbon fiber). A dynamic shear rheometer was used to evaluate their rheological properties and rut resistance. Results indicated that fiber can effectively improve the rut and flow resistance of asphalt mortar. However, the bending beam rheometer results demonstrated that the addition of fiber had negative effects on the creep stiffness and creep rate of asphalt mortar.

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Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Stabilizing and reinforcing effects of different fibers on asphalt mortar performance

Zhang

et al. 2015

Pet. Sci.

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“…Furthermore, cellulose has been used in open graded friction coarse (OGFC) pavement. OGFC consists of single size coarse aggregates with large voids, resulting in high asphalt content, and cellulose improves its performance by limiting coarse aggregate pop-out and reflective cracking [80]. In addition, organic compost containing high cellulose content has been reported to induce higher soil aggregate stability by increasing water repellency [85].…”

Section: Biopolymers In Geotechnical Engineeringmentioning

confidence: 99%

Introduction of Microbial Biopolymers in Soil Treatment for Future Environmentally-Friendly and Sustainable Geotechnical Engineering

2016

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Soil treatment and improvement is commonly performed in the field of geotechnical engineering. Methods and materials to achieve this such as soil stabilization and mixing with cementitious binders have been utilized in engineered soil applications since the beginning of human civilization. Demand for environment-friendly and sustainable alternatives is currently rising. Since cement, the most commonly applied and effective soil treatment material, is responsible for heavy greenhouse gas emissions, alternatives such as geosynthetics, chemical polymers, geopolymers, microbial induction, and biopolymers are being actively studied. This study provides an overall review of the recent applications of biopolymers in geotechnical engineering. Biopolymers are microbially induced polymers that are high-tensile, innocuous, and eco-friendly. Soil-biopolymer interactions and related soil strengthening mechanisms are discussed in the context of recent experimental and microscopic studies. In addition, the economic feasibility of biopolymer implementation in the field is analyzed in comparison to ordinary cement, from environmental perspectives. Findings from this study demonstrate that biopolymers have strong potential to replace cement as a soil treatment material within the context of environment-friendly construction and development. Moreover, continuing research is suggested to ensure performance in terms of practical implementation, reliability, and durability of in situ biopolymer applications for geotechnical engineering purposes.

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“…Ageing [2], moisture damage [3] and thermal cracking [4] are the main factors that affect the durability of asphalt pavements. With the aim of improving the behaviour of flexible pavements against these factors, different types of fibres can be added to the asphalt mixtures [5], such as: cellulose and mineral fibres [6]; polymeric fibres like polypropylene and polyester [7]; and steel wool and other waste fibres [8]. In particular, due to the higher tensile strength of metallic fibres compared with asphalt mixtures they can improve the tensile resistance and cohesive force when added to the mixture [5].…”

Section: Introductionmentioning

confidence: 99%

Influence of the Microwave Heating Time on the Self-Healing Properties of Asphalt Mixtures

Norambuena-Contreras

Gonzalez-Torre

2017

Applied Sciences

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Featured Application: A new generation of advanced self-healing asphalt pavements is coming. The asphalt mixture presented in this study could be potentially used to build long-life roads with crack-healing properties through electromagnetic heating, e.g., induction and microwaves.Abstract: This paper aims to evaluate the influence of the microwave heating time on the self-healing properties of fibre-reinforced asphalt mixtures. To this purpose, self-healing properties of dense asphalt mixtures with four different percentages of steel wool fibres were evaluated as the three-point bending strength before and after healing via microwave heating at four different heating times. Furthermore, the thermal behaviour of asphalt mixtures during microwave heating was also evaluated. With the aim of quantifying the efficiency of the repair process, ten damage-healing cycles were done in the test samples. In addition, self-healing results were compared with the fibre spatial distribution inside asphalt samples evaluated by CT-scans. Crack-size change on asphalt samples during healing cycles was also evaluated through optical microscopy. It was found that the heating time is the most influential variable on the healing level reached by the asphalt mixtures tested by microwave radiation. CT-Scans results proved that fibre spatial distribution into the asphalt mixtures play an important role in the asphalt healing level. Finally, it was concluded that 40 s was the optimum heating time to reach the highest healing levels with the lowest damage on the asphalt samples, and that heating times over 30 s can seal the cracks, thus achieving the self-healing of asphalt mixtures via microwave heating.

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Evaluation of Open-Graded Friction Course Mixtures Containing Cellulose Fibers and Styrene Butadiene Rubber Polymer

Cited by 93 publications

References 3 publications

Stabilizing and reinforcing effects of different fibers on asphalt mortar performance

Stabilizing and reinforcing effects of different fibers on asphalt mortar performance

Introduction of Microbial Biopolymers in Soil Treatment for Future Environmentally-Friendly and Sustainable Geotechnical Engineering

Influence of the Microwave Heating Time on the Self-Healing Properties of Asphalt Mixtures

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