Effect of aging and moisture damage on the cracking resistance of rubberized asphalt mixture

Radeef, Hasanain Radhi; Hassan, Norhidayah Abdul; Abidin, Ahmad Razin Zainal; Mahmud, Mohd Zul Hanif; Yaacob, Haryati; Mashros, Nordiana; Mohamed, Ahmad Kilani

doi:10.1016/j.matpr.2020.12.734

Cited by 20 publications

(9 citation statements)

References 13 publications

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“…High interlocking increases the tensile strength and the cracking resistance of the modified asphalt mixtures (Modarres and Hamedi, 2014;Aliha et al, 2015;Movilla-Quesada et al, 2019b). In summary, failure in asphalt mixtures is mainly initiated and propagated around the coarse aggregate of the mixtures (Xu et al, 2020;Radeef et al, 2021b). Thus, the presence of the plastic coat with modified asphalt can lead to a decrease in the rate of cracking propagated throughout.…”

Section: Moisture Damagementioning

confidence: 98%

“…Moreover, the higher affinity of plastic waste to adhere to the fine aggregate and forming clusters of plastic particles and fine aggregate can reduce the homogeneity and workability of mixtures. The flow values are mainly related to the value of air void content of asphalt mixtures, where a higher air void content produces mixtures with a high tendency to deform under loading (Moghaddam et al, 2013;Radeef et al, 2021a;Radeef et al, 2021b;Abdul Hassan et al, 2019). The flow increased slightly with the increment in the plastic content.…”

Section: Marshall Stability and The Volumetric Propertiesmentioning

confidence: 99%

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Enhanced Dry Process Method for Modified Asphalt Containing Plastic Waste

et al. 2021

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In recent years, the proliferation of plastic waste has become a global problem. A potential solution to this problem is the dry process, which incorporates plastic waste into asphalt mixtures. However, the dry process often has inconsistent performance due to poor interaction with binder and improper distribution of plastic waste particles in the mixture skeleton. This inconsistency may be caused by inaccurate mixing method, shredding size, mixing temperature and ingredient priorities. Thus, this study aims to improve the consistency of the dry process by comparing the control asphalt mixture and two plastic waste-modified asphalt mixtures prepared using the dry process. This study used crushed granite aggregate with the nominal maximum aggregate size of 14 mm whereas the shredded plastic bag is in the range of 5–10 mm. Quantitative sieving analysis and performance tests were carried out to examine the effects of plastic waste added into the asphalt mixture. The volumetric and performance properties combined with image analysis of the modified mixtures were obtained and compared with the control mixture. In addition, the moisture damage, resilient modulus, creep deformation and rutting were evaluated. This study also highlighted in detail the distribution of plastic particles in the final skeleton of the asphalt mixture. Based on the analysis, an enhanced dry process of mixing procedure was proposed and evaluated. Results showed that the addition of plastic particles using the conventional dry process leads to the deviation in the aggregate structure as high plastic content is added. Furthermore, the enhanced dry process developed in this study presents substantial enhancement in the asphalt performance, particularly with plastic waste that accounts for 20% of the weight of the asphalt binder.

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Section: Moisture Damagementioning

confidence: 98%

Section: Marshall Stability and The Volumetric Propertiesmentioning

confidence: 99%

Enhanced Dry Process Method for Modified Asphalt Containing Plastic Waste

et al. 2021

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“…They concluded that these materials improve resistance to permanent deformations. Radeef et al [41] indicated that a rubberized asphalt mixture exhibits a lower tensile strength after moisture conditioning, but a higher fracture energy compared to the control mixture. Picado-Santos et al [42] investigated the use of crumb rubber in asphalt mixtures produced by the wet process, the dry process, and the terminal blend process.…”

Section: Modification Of Asphalt Overlay Characteristicsmentioning

confidence: 99%

Prevention and remediation measures for reflective cracks in flexible pavements

2022

JCE

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Considering the high price and the number of natural resources used in transport infrastructure, extending pavement lifetime is a priority for engineers. One of the most common issues in flexible pavement maintenance are reflective cracks, which reduce driving comfort and passenger safety. These cracks have two main origins, those initiated by shrinkage of the cement stabilized layer and the cracks reflected from the old pavement to a new overlay. During road maintenance, the usual remediation measure is to overlay and place a new asphalt wearing course over the old, deteriorated pavement surface. After an asphalt overlay is placed on the deteriorated pavement, the overlay can exhibit an identical crack pattern as the layer below. The main cause of reflective cracks is in the cement bound base course (CBC). Due to cement hydration, traffic load, and temperature oscillations, cracks may occur and propagate through upper layers. Much research has been conducted to prevent this problem. Some research, with an emphasis on recycled materials, is presented in this paper. The remediation measures include thin and thick interlayers and modification of the asphalt overlay characteristics.

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“…Moreover, these test methods included the evaluation of the impact of two ageing levels and moisture conditioning on the performance of the produced mixtures. According to several prior researches, the IDEAL-CT test has demonstrated encouraging results, as it closely simulates the mixture resistance to crack propagation [18][19][20].…”

Section: Introductionmentioning

confidence: 97%

Impact of Ageing and Moisture Damage on the Fracture Properties of Plastic Waste Modified Asphalt

Radeef

Hassan

Abidin

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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The utilisation of plastic waste as a modifier in asphalt mixtures has inflicted significant impacts on the cracking resistance of the produced mixtures. Whilst many studies have evaluated the cracking resistance of asphalt mixtures incorporating plastic waste using wet method, limited studies have used the dry method are available. The current study aims to evaluate the effect of plastic waste incorporation on the fracture properties of conventional asphalt mixture. In addition, the impact of ageing and moisture damage on the fracture properties of modified asphalt was also investigated. Indirect tensile strength test was carried out to assess the CT-index, tensile strength, and fracture energy of the asphalt mixtures before and after exposure to ageing and moisture conditioning. The finding revealed that the asphalt mixture incorporating plastic waste demonstrated superior resistance to thermal and fatigue cracking compared to the control mixture, thus proving the capability of plastic waste in increasing the resistance of asphalt against ageing and moisture damage.

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Effect of aging and moisture damage on the cracking resistance of rubberized asphalt mixture

Cited by 20 publications

References 13 publications

Enhanced Dry Process Method for Modified Asphalt Containing Plastic Waste

Enhanced Dry Process Method for Modified Asphalt Containing Plastic Waste

Prevention and remediation measures for reflective cracks in flexible pavements

Impact of Ageing and Moisture Damage on the Fracture Properties of Plastic Waste Modified Asphalt

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