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Apostolidis, P. (author), Liu, X. (author), Scarpas, Athanasios (author), Kasbergen, C. (author), van de Ven, Martin (author)Induction heating technique is an innovative asphalt pavement maintenance method that is applied to inductive asphalt concrete mixes in order to prevent the formation of macro-cracks by increasing locally the temperature of asphalt. The development of asphalt mixes with improved electrical and thermal properties is crucial in terms of...journal article 2016
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Apostolidis, P. (author), Liu, X. (author), Kasbergen, C. (author), Scarpas, Athanasios (author)“Aging” is the accumulation process of diverse detrimental changes in molecular structures with advancing age. Resistance to aging is termed “durability.” Complex molecular systems such as asphalt binder (AB) need to be protected against aging. This paper provides a state-of-the-art review of antiaging technologies used to prohibit or to...journal article 2017
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Apostolidis, P. (author), Liu, X. (author), Kasbergen, C. (author), Scarpas, Athanasios (author), van de Ven, Martin (author)Induction technology was introduced to the paving industry to assist pavement operations by heating asphalt layers efficiently from the surface. Many experimental studies have been conducted to investigate the impact of inductive particles on the heating efficiency of asphalt mixes. However, research is limited on the quantification of design,...journal article 2017
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Wang, H. (author), Liu, X. (author), Apostolidis, P. (author), Scarpas, Athanasios (author)The microstructure and chemical composition of asphalt binders have a significant effect on their rheological properties and, therefore, their performance as road paving binders. This study aims to investigate the effects of warm-mix asphalt (WMA) additives, organic type and chemical type, on the rheological properties and chemical internal...journal article 2018
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Wang, H. (author), Liu, X. (author), Zhang, H. (author), Apostolidis, P. (author), Scarpas, Athanasios (author), Erkens, S. (author)Warm mix asphalt (WMA) technology has been increasingly utilised in rubberised asphalt pavements to reduce the production and compaction temperatures and the incidental fumes and odours. This study aims to investigate the high, intermediate and low-temperature performance of crumb rubber modified asphalt binders containing WMA additives. The...journal article 2018
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Zhou, C. (author), Liu, X. (author), Apostolidis, P. (author), Scarpas, Athanasios (author), He, Liang (author)Low temperature asphalt (LTA) technologies, such as warm-mixed asphalt mixes, are utilized in the paving industry to lower energy demands and greenhouse gas emissions during asphalt mixing and pavement construction. However, the asphalt mixes developed that incorporate LTA additives are more sensitive than hot-mixed asphalts to temperature...journal article 2018
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Wang, H. (author), Liu, X. (author), Apostolidis, P. (author), Scarpas, Athanasios (author)In recent years, transportation agencies and the general public alike are demanding increased considerations of sustainability in transport infrastructure. Warm mix asphalt (WMA) is developed for reducing energy consumptions and emissions in asphalt paving industry. In addition, the use of rubberized asphalt concrete (RAC) has proven to be...journal article 2018
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Apostolidis, P. (author), Liu, X. (author), Kasbergen, C. (author), van de Ven, Martin (author), Pipintakos, G. (author), Scarpas, Athanasios (author)The chemical irreversible hardening of epoxy modified bitumen is affected by various physical factors and the successful application of this technology is directly linked with full understanding of chemo-rheological material characteristics. This study proposes a model to describe the material viscosity evolution during hardening of epoxy...journal article 2018
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Wang, H. (author), Liu, X. (author), Apostolidis, P. (author), Scarpas, Athanasios (author)Crumb rubber-modified bitumen (CRMB) has been utilized in the asphalt paving industry for decades due to its various benefits. The complex interaction between bitumen and crumb rubber as well as the addition of warm-mix additives makes the typical laws of Newtonian fluids insufficient to describe the behaviors of highly modified bituminous...journal article 2018
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Zhang, Yi (author), Liu, X. (author), Apostolidis, P. (author), Gard, W.F. (author), van de Ven, Martin (author), Erkens, S. (author), Jing, R. (author)As bitumen oxidizes, material stiffening and embrittlement occur, and bitumen eventually cracks. The use of anti-oxidants, such as lignin, could be used to delay oxidative aging and to extend the lifetime of asphalt pavements. In this study, the chemical and rheological effect of lignin on bitumen was evaluated by using a single dosage organsolv...journal article 2019
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Wang, H. (author), Liu, X. (author), Apostolidis, P. (author), Erkens, S. (author), Scarpas, Athanasios (author)Crumb rubber modified bitumen (CRMB) has been utilized in the asphalt paving industry for decades due to its various benefits. The main mechanisms of bitumen-crumb rubber interaction include rubber particle swelling and chemical degradation. Crumb rubber modifier (CRM) swelling plays a dominant role in controlling the property development of...journal article 2019
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Apostolidis, P. (author), Liu, X. (author), Daniel, Gerald C. (author), Erkens, S. (author), Scarpas, Athanasios (author)The utilisation of synthetic fibres has been reported in the past showing enhancement of fatigue and thermal cracking resistance in asphaltic materials. However, the limited evidences about the benefits of these fibres in asphaltic materials at low material scales have been noticed. Also, the exact reinforcing mechanism of binding system in the...journal article 2019
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Apostolidis, P. (author), Liu, X. (author), van de Ven, Martin (author), Erkens, S. (author), Scarpas, Athanasios (author)Epoxy modification of asphalt binders has been recognized as a very effective technology to alter the chemistry of asphaltic materials in such a way that long-lasting pavement structures can be designed. However, the phenomena that are involved to build up the physico-mechanical properties of epoxy asphalt systems are still unknown. The focus of...journal article 2019
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Apostolidis, P. (author), Liu, X. (author), van de Ven, Martin (author), Erkens, S. (author), Scarpas, Athanasios (author)Induction heating driven polymerisation is an in-situ curing technique for epoxy-asphalt systems that maintains most of the advantages of temperature-driven polymerisation and it solves the need for longer curing time periods at lower temperatures before traffic can be allowed. In particular, induction heating can be utilised to accelerate the...journal article 2019
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Apostolidis, P. (author), Liu, X. (author), Erkens, S. (author), Scarpas, Athanasios (author)In epoxy-bitumen systems, temperature contributes to the development of physiochemical and mechanical characteristics during curing (chemical hardening) and at the long-term service (oxidative aging) of pavement structures. Hardening (i.e., chemical or oxidative controlled) is a complex phenomenon in epoxy-modified binders and the in-depth...journal article 2019
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Zhang, Y. (author), Liu, X. (author), Apostolidis, P. (author), Jing, R. (author), Erkens, S. (author), Poeran, Natascha (author), Scarpas, Athanasios (author)Organosolv lignin, a natural polymer, has been used in this study as an oxidation inhibitor in bitumen. Particularly, the effect of oxidative aging on the chemical compositional changes and on the rheology of bituminous binders with organosolv lignin and the impact to inhibit oxidation in bitumen were evaluated. Firstly, after analyzing the...journal article 2020
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Wang, H. (author), Apostolidis, P. (author), Zhu, Jiqing (author), Liu, X. (author), Scarpas, Athanasios (author), Erkens, S. (author)Waste tire rubber has been incorporated into asphalt modification for decades due to its various benefits. There are two main mechanisms during bitumen–rubber interaction: rubber swelling and chemical degradation. This study surveys these two processes from the viewpoint of polymer science. The kinetics of rubber dissolution and...journal article 2020
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Wang, H. (author), Liu, X. (author), Apostolidis, P. (author), van de Ven, Martin (author), Erkens, S. (author), Scarpas, Athanasios (author)Aging during construction and in-service substantially changes the chemical composition and physical properties of bitumen thereof influences the performance of asphalt pavements. The modification of bitumen by crumb rubber modifier (CRM) significantly increases the complexity of the aging mechanism and is expected to improve the aging...journal article 2020
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Lin, P. (author), Huang, Weidong (author), Liu, X. (author), Apostolidis, P. (author), Wang, H. (author), Yan, Chuanqi (author)One of the most widely used polymer-based modifiers in asphalt binders is styrene–butadiene–styrene (SBS), which results in binders of increased modulus, strength, toughness, and resistance to permanent deformation. These properties are further improved with the increase of SBS polymer content in asphalt binders, producing binders such as high...journal article 2020
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Apostolidis, P. (author), Liu, X. (author), Erkens, S. (author), Scarpas, Athanasios (author)Asphalt binders incorporating different modifiers is a common practice but empirically driven in most of the cases. Therefore, the fundamental understanding of modification mechanisms in asphalt binders is needed to design polymer modified binders in a controllable manner, especially today in which new modification technologies are proposed....journal article 2020
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