A Review of the Use of Reclaimed Asphalt Pavement for Road Paving Applications

Milad, Abdalrhman; Taib, Aizat Mohd; Ahmeda, Abobaker G. F.; Solla, Mohmed; Yusoff, Nur Izzi Md.

doi:10.11113/jt.v82.14320

Cited by 24 publications

(23 citation statements)

References 37 publications

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“…Waste materials have promising potential in terms of economic and environmental benefits. Both developing and developed countries demolish buildings on a daily basis [2]. Countries that are densely populated and have scarce liveable land areas have to minimise landfill areas.…”

Section: Considerations Of Environmental and Economic Aspectmentioning

confidence: 99%

“…In developed countries, the waste materials generated by the industries pose a serious environmental problem by manufacturers or individuals that lack any residual value is termed as waste [1,2]. The feasibility engorging waste material used in the highways construction industry is playing a leading role worldwide as a green investment movement [3,4].…”

Section: Introductionmentioning

confidence: 99%

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A Review of the Utilisation of Recycled Waste Material as an Alternative Modifier in Asphalt Mixtures

2020

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The possibility of using waste materials in road construction is of great interest as their utilisation may contribute to reducing the problems of hazard and pollution and conserve natural resources. Thus, there is an urgent need to find a sustainable method for using waste materials as a substitute in the standard asphalt binders. There are several concerns about the physical and chemical properties and mechanical performance of asphalt pavements incorporated with waste material in the effort to reduce permanent deformation of the road surface. This review article presents a brief discussion of the asphalt mixtures modified with waste material, and the recycled materials used as a modifier in the asphalt mixture. The present paper summarises the use of crumb rubber, crushed concrete, steel slag, glass fibre and plastic waste in asphalt mixtures. The use of waste materials as a modifier in asphalt mixture resulted in improved asphalt pavement performance. Results advocate that rubberised asphalt mixture with desired properties can be designed as an additive with a friendly environmental approach in construction materials. The researches that adopted the influence of usage, recycle waste material to improve the performance of the asphalt of the road are still limited compared to other construction fields. Doi: 10.28991/cej-2020-SP(EMCE)-05 Full Text: PDF

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Section: Considerations Of Environmental and Economic Aspectmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Review of the Utilisation of Recycled Waste Material as an Alternative Modifier in Asphalt Mixtures

2020

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“…RAP binders aged through oxidation and loss of volatiles, resulting in a brittle and stiff binder. The presence of aged binder in RAP raises the concern for the vulnerability of the RAP in asphalt mixtures to thermal and fatigue cracking [ 2 , 3 ].…”

Section: Introductionmentioning

confidence: 99%

Mechanical Performance of Reclaimed Asphalt Pavement Modified with Waste Frying Oil and Crumb Rubber

et al. 2021

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Researchers are exploring the utilisation of reclaimed asphalt pavement (RAP) as a recycled material to determine the performance of non-renewable natural aggregates and other road products such as asphalt binder, in the construction and rehabilitation stage of asphalt pavements. The addition of RAP in asphalt mixtures is a complex process and there is a need to understand the design of the asphalt mixture. Some of the problems associated with adding RAP to asphalt mixtures are moisture damage and cracking damage caused by poor adhesion between the aggregates and asphalt binder. There is a need to add rejuvenators to the recycled mixture containing RAP to enhance its performance, excepting the rutting resistance. This study sought to improve asphalt mixture performance and mechanism by adding waste frying oil (WFO) and crumb rubber (CR) to 25 and 40% of the RAP content. Moreover, the utilisation of CR and WFO improved pavement sustainability and rutting performance. In addition, this study prepared five asphalt mixture samples and compared their stiffness, moisture damage and rutting resistance with the virgin asphalt. The results showed enhanced stiffness and rutting resistance of the RAP but lower moisture resistance. The addition of WFO and CR restored the RAP properties and produced rutting resistance, moisture damage and stiffness, which were comparable to the virgin asphalt mixture. All waste and virgin materials produce homogeneous asphalt mixtures, which influence the asphalt mixture performance. The addition of a high amount of WFO and a small amount of CR enhanced pavement sustainability and rutting performance.

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“…Reusing reclaimed asphalt can increase binder rheology behavior by improving its viscosity and increasing stiffness to enhance pavement performance. In the blending process, the virgin binder is supposed to rejuvenate the RAP binder to produce the target viscosity [9]. However, when RAP binder and virgin binder blends, both in asphalt plants and during pavement service life, change the chemical structure and formation concerning the functional groups in the bituminous binder.…”

Section: Introductionmentioning

confidence: 99%

Effects of Waste Frying Oil and Crumb Rubber on the Characteristics of a Reclaimed Asphalt Pavement Binder

et al. 2021

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The reclaimed asphalt pavement (RAP) has become a moderately common practice in most countries; Hence, rejuvenating materials with RAP have earned publicity in the asphalt manufacturers, mainly due to the increasing raw material costs. In this study, the crumb rubber (CR) and waste frying oil (WFO) utilized as waste materials to restore the properties and enhance the rutting resistance of the RAP. Several physical, rheological, chemical properties of bituminous binders were tested. The result showed that the RAP bituminous binders incorporating WFO and CR decreased softening points and the increased penetration value; these translate to an increase in penetration index. Moreover, the viscosity of the WFO/CR combination reclaimed asphalt pavement binder showed better workability and stiffness, as well as a low storage stability temperature (less than 2.2 °C) with an acceptable loss upon heating. Without chemical reaction was observed between the waste-frying oil with the rubberized binder and the reclaimed asphalt pavement binder. Additionally, the WFO/CR rheological properties combined with the reclaimed asphalt pavement binder were comparable to the control sample. The incorporation of CR with WFO as a hybrid rejuvenator enhanced the rutting resistance. Therefore, the presence of WFO/CR has a considerable influence on the RAP binder properties while preserving a better environment and reducing pollution by reusing waste materials.

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A Review of the Use of Reclaimed Asphalt Pavement for Road Paving Applications

Cited by 24 publications

References 37 publications

A Review of the Utilisation of Recycled Waste Material as an Alternative Modifier in Asphalt Mixtures

A Review of the Utilisation of Recycled Waste Material as an Alternative Modifier in Asphalt Mixtures

Mechanical Performance of Reclaimed Asphalt Pavement Modified with Waste Frying Oil and Crumb Rubber

Effects of Waste Frying Oil and Crumb Rubber on the Characteristics of a Reclaimed Asphalt Pavement Binder

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