Influence of crumb rubber size particles on moisture damage and strength of the hot mix asphalt

Bilema, Munder; Aman, Mohamad Yusri; Hassan, Norhidayah Abdul; Haloul, Mohamed; Saeed, Saeed Modibbo

doi:10.1016/j.matpr.2020.12.423

Cited by 16 publications

(12 citation statements)

References 27 publications

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“…The use of ELT to reinforce asphalt mixture is considered as a sustainable solution for paving material to minimize the cost and pollution with favorable engineering benefits [ 26 ]. Asphalt mixtures need to be resistant towards permanent deformation and cracking caused by a lack of foundation-bearing capacity and temperature cracking (climatic effects) [ 94 ].…”

Section: Asphalt Mixturementioning

confidence: 99%

“…As an upcycling strategy, scrap tires are valorized at the end of their service life to develop low costs and sustainable composites [ 3 , 11 , 23 ]. For instance, tire rubber crumbs have been used as additives or aggregates in automotive parts [ 24 ], concretes [ 25 ], asphalt mixtures [ 26 , 27 ], pavements [ 28 , 29 ], soil structures [ 30 ], etc.…”

Section: Introductionmentioning

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: Asphalt Mixturementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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

Fazli

Rodrigue

2022

Polymers

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“…Therefore, this study used crumb rubber to increase the rutting resistance caused by the addition of a rejuvenator and found that 1.5% CR improved the overall performance of the asphalt mixture [ 32 , 33 ]. Bilema et al [ 34 ] investigated the considerable effect of CR on the ITS of the asphalt mixture stiffness. Using discarded vehicle tires in pavement construction has environmental benefits and prevents tire stockpile or disposal in the landfill [ 35 , 36 ].…”

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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“…Using CR in asphalt mixing, the landfill disposal problem of automobile tires as waste rubber tires can be reduced [24,25]. Serval studies concluded that the addition of the CR leads to improving the rutting resistance, indirect tensile strength, and resilient modulus [26][27][28].…”

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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Influence of crumb rubber size particles on moisture damage and strength of the hot mix asphalt

Cited by 16 publications

References 27 publications

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

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

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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