Susceptibility of low-density polyethylene and polyphosphoric acid-modified asphalt binders to rutting and fatigue cracking

Nuñez, Javier Yesid Mahecha; Domingos, Matheus David Inocente; Faxina, Adalberto Leandro

doi:10.1016/j.conbuildmat.2014.10.002

Cited by 76 publications

(22 citation statements)

References 9 publications

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“…For example, the previously mentioned grafting of maleic anhydride (MA) to the polymer can improve its polarity [23,25,31]. The polifosforic acid (PPA), on the other hand, can enhance the rheological properties of the binder at high temperatures [9,22,35], while organic montmorillonite favors the interaction between polymer and bitumen [21]. Finally, electron beam irradiation is a process applied to the PE that allows for the formation of free radicals and contributes to the creation of chemical bonds between binder and polymer [29].…”

Section: Polyethylene (Pe)mentioning

confidence: 99%

“…Currently there is still a considerable amount of plastic waste that ends up in landfill without any recovery or recycling process (approximately 7.95 million tons in 2014 [8]). In addition, the melting point of most of these is below the temperature of manufacture of the bituminous mixtures (which usually varies between 150 • C and 180 • C), which ensures the physical and chemical interaction with the bitumen [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

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Reclaimed Polymers as Asphalt Binder Modifiers for More Sustainable Roads: A Review

et al. 2019

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The use of polymer-modified binders in asphalt mixtures has become more widespread due to their reduced thermal susceptibility and improved rutting and fatigue resistance. Nevertheless, their high cost limits their application, thus making the use of reclaimed polymers (RP) an interesting alternative for both reducing price and extending the service life of pavements. This paper; therefore, presents a comparative review of the recycled polymers most commonly studied as bitumen modifiers: polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), ethyl vinyl acetate (EVA), and ground tire rubber (GTR), in order to facilitate their selection and extend the use of the bitumen. The differences in terms of melting point, mixing conditions, and maximum quantity of added polymer are analyzed. Moreover, their effect on the mechanical behavior of the asphalt binders and their stability with and without the use of additives is presented. According to the literature revision, the performance of the new binder is more influenced by the kind of polymer that was incorporated and the mixing conditions than by the base bitumen that was chosen, although rheological evaluation is needed to fully understand the modification mechanisms of the modified binder. In general terms, plastomers have a stronger effect in terms of increasing the stiffness of the bitumen in comparison with crumb rubber (elastomers), thus providing an improved rutting resistance. The joint use of polyethylene (plastomer) and crumb rubber (elastomer) can be an interesting option for its recycling potential and mechanical performance, although further study is needed to achieve stable bitumen across the entire range of temperatures; additives, such as maleic anhydride (MA), are commonly employed to improve the stability of the binder and enhance its characteristics, but their use could limit the economic benefits of using recycled materials.

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Section: Polyethylene (Pe)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Reclaimed Polymers as Asphalt Binder Modifiers for More Sustainable Roads: A Review

et al. 2019

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“…The Superpave specification parameter, G*/sinδ, seems inadequate to categorize modified binders [ 46 , 47 ]. MSCR test has been developed to evaluate high-temperature performances of polymer-modified binders by assessing the strain response under repeated shear loading and unloading at various stress levels [ 44 , 48 , 49 ].…”

Section: Resultsmentioning

confidence: 99%

Influence of Compound Modification of Oil Sands De-Oiled Asphalt and Polyphosphoric Acid on High- and Low-Temperature Performance of Styrene-Butadiene-Styrene-Modified Asphalt

Pei

Fan

2021

Materials

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Oil sands de-oiled asphalt (OSDOA) has become a bottleneck for refineries due to its enormous production and huge landfill costs. Applying OSDOA as a modifier is an effective way to reduce environmental pollution and disposal cost. In this study, the influences of OSDOA and polyphosphoric acid (PPA) compound modification on styrene-butadiene-styrene (SBS)-modified binder were investigated. The high-temperature rutting resistance, low-temperature anti-crack performance and fatigue resistance were obtained by dynamic shear rheometer (DSR) and bending beam rheometer (BBR) test. Storage stability and microstructure were also investigated by storage test and Fourier-transform infrared (FTIR) spectroscopy. The results demonstrated that the compound modification of OSDOA/PPA dramatically enhanced the deformation resistance of SBS-modified binder and reduced its low-temperature cracking resistance. The anti-fatigue performance was also decreased. Moreover, the combined effect of OSDOA and PPA could produce composite modified asphalt with excellent storage stability, which was verified by desirable fluorescence images. Furthermore, both physical and chemical interactions coexisted during the OSDOA/PPA compound modification process. Consequently, the optimal doses of OSDOA and PPA were determined to be 10 wt% and 1.0 wt%, considering of the balance between high- and low-temperature characteristics and storage stability of composite modified asphalt.

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“…The modification of asphalt mixtures with glass fibre can improve the mechanical properties of asphalt mixtures, including the flow value, stability, and voids. Several studies have shown that modification of asphalt with 1.25 mass of low density of glass fibre resulted in enhanced fatigue rutting and rheological properties of the mixture [117,118]. A study with different factors to evaluate the performance of fibres in asphalt mixture and their findings revealed that 4 -6% of this material could be added to the asphalt mixture for enhancement of resistance to permanent deformation, increase the stiffness (Marshall Stability), and control flow of the mixture.…”

Section: Mechanical Propertiesmentioning

confidence: 99%

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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Susceptibility of low-density polyethylene and polyphosphoric acid-modified asphalt binders to rutting and fatigue cracking

Cited by 76 publications

References 9 publications

Reclaimed Polymers as Asphalt Binder Modifiers for More Sustainable Roads: A Review

Reclaimed Polymers as Asphalt Binder Modifiers for More Sustainable Roads: A Review

Influence of Compound Modification of Oil Sands De-Oiled Asphalt and Polyphosphoric Acid on High- and Low-Temperature Performance of Styrene-Butadiene-Styrene-Modified Asphalt

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

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