All Outputs (93)

A molecular dynamics analysis of the influence of iron corrosion products on the healing process of bitumen (2024)
Journal Article
Xu, H., Zou, Y., Airey, G., Wang, H., Zhang, H., Wu, S., & Chen, A. (2024). A molecular dynamics analysis of the influence of iron corrosion products on the healing process of bitumen. Construction and Building Materials, 421, Article 135662. https://doi.org/10.1016/j.conbuildmat.2024.135662

Corrosion of iron materials in the asphalt concrete pavement occurs commonly when the bitumen film peels off, and the generation of corrosion products would affect the healing performance of bitumen. To identify the affection, this research focuses o... Read More about A molecular dynamics analysis of the influence of iron corrosion products on the healing process of bitumen.

Interfacial characteristics between bitumen and corrosion products on steel slag surface from molecular scale (2024)
Journal Article
Xu, H., Zou, Y., Airey, G., Wang, H., Zhang, H., Wu, S., …Liang, Y. (2024). Interfacial characteristics between bitumen and corrosion products on steel slag surface from molecular scale. Construction and Building Materials, 417, Article 135324. https://doi.org/10.1016/j.conbuildmat.2024.135324

Corrosion commonly happened on the surface of steel slag during the weathering and accumulation process, whose products would form weak points and affect the interface between bitumen and steel slag. To clear its characteristics in the atomic scales,... Read More about Interfacial characteristics between bitumen and corrosion products on steel slag surface from molecular scale.

Wetting of bio-rejuvenator nanodroplets on bitumen: A molecular dynamics investigation (2024)
Journal Article
Xu, H., Zou, Y., Airey, G., Wang, H., Zhang, H., Wu, S., & Chen, A. (2024). Wetting of bio-rejuvenator nanodroplets on bitumen: A molecular dynamics investigation. Journal of Cleaner Production, 444, Article 141140. https://doi.org/10.1016/j.jclepro.2024.141140

Wetting is the first step during the mix process between rejuvenator and bitumen, which is important for mix efficiency and performance recovery. The wetting of bio-rejuvenator nanodroplets on bitumen was investigated by molecular dynamics (MD) simul... Read More about Wetting of bio-rejuvenator nanodroplets on bitumen: A molecular dynamics investigation.

Guidelines for the implementation of SMARTI: Sustainable Multifunctional Automated Resilient Transport Infrastructure (2023)
Journal Article
Presti, D. L., Hautiere, N., Hornych, P., Nkwanga, H., Mignini, C., McLoughlin, A., …Doherty, P. (2023). Guidelines for the implementation of SMARTI: Sustainable Multifunctional Automated Resilient Transport Infrastructure. Transportation Research Procedia, 72, 2952-2959. https://doi.org/10.1016/j.trpro.2023.11.842

The World's transport infrastructures (TI) network is facing fast changes due to population growth, mobility, business trades and globalization. More challenges are coming from unforeseen natural and human-induced hazards, including climate change's... Read More about Guidelines for the implementation of SMARTI: Sustainable Multifunctional Automated Resilient Transport Infrastructure.

Review of methodology for life cycle assessment and life cycle cost analysis of asphalt pavements (2023)
Journal Article
Suwarto, F., Parry, T., & Airey, G. (2023). Review of methodology for life cycle assessment and life cycle cost analysis of asphalt pavements. Road Materials and Pavement Design, https://doi.org/10.1080/14680629.2023.2278149

Different approaches continue to be used to evaluate the environmental and financial impactsof road pavements throughout their life cycle. This paper aims to provide a methodological review of published studies of asphalt pavement Life Cycle Assessme... Read More about Review of methodology for life cycle assessment and life cycle cost analysis of asphalt pavements.

2D Mesoscale cracking simulation of partially saturated asphalt based on moisture diffusion and a cohesive zone model (2023)
Journal Article
Li, L., Wu, J., Thom, N., Hargreaves, D., Airey, G., Zhu, J., …Zhang, Z. (2023). 2D Mesoscale cracking simulation of partially saturated asphalt based on moisture diffusion and a cohesive zone model. International Journal of Pavement Engineering, 24(1), Article 2242557. https://doi.org/10.1080/10298436.2023.2242557

The primary objective of this paper was to develop a combined model that incorporates moisture diffusion and a cohesive zone model, addressing anisotropic and loading-rate dependent cracking within partially saturated asphalt. Utilising X-ray CT scan... Read More about 2D Mesoscale cracking simulation of partially saturated asphalt based on moisture diffusion and a cohesive zone model.

Engineering characterization and environmental analysis of natural rubber latex modified asphalt mixture (2023)
Journal Article
Suwarto, F., Parry, T., Thom, N., Airey, G., Abed, A., Rahman, T., & Wititanapanit, J. (2023). Engineering characterization and environmental analysis of natural rubber latex modified asphalt mixture. Construction and Building Materials, 402, Article 132970. https://doi.org/10.1016/j.conbuildmat.2023.132970

Natural Rubber Latex (NRL) has attracted considerable interest as a resource for renewable paving materials due to its potential to lessen environmental impact. In order to gain a thorough understanding of the performance of NRL, this study evaluated... Read More about Engineering characterization and environmental analysis of natural rubber latex modified asphalt mixture.

Analysis and Prediction of Pothole Formation Rate Using Spatial Density Measurements and Pavement Condition Indicators (2023)
Journal Article
Abed, A., Rahman, M., Thom, N., Hargreaves, D., Li, L., & Airey, G. (2023). Analysis and Prediction of Pothole Formation Rate Using Spatial Density Measurements and Pavement Condition Indicators. Transportation Research Record, 2677(11), 651-664. https://doi.org/10.1177/03611981231166684

Potholes represent one of the dangerous distress types on roads. They form as a result of various factors, including water ingress, freeze–thaw, and pavement condition deterioration. In the UK, 1.7 million potholes were repaired in 2021; this critica... Read More about Analysis and Prediction of Pothole Formation Rate Using Spatial Density Measurements and Pavement Condition Indicators.

Uncertainty analysis of life cycle assessment of asphalt surfacings (2023)
Journal Article
Abed, A., Godoi Bizarro, D. E., Neves, L., Parry, T., Keijzer, E., Kalman, B., …Airey, G. (2023). Uncertainty analysis of life cycle assessment of asphalt surfacings. Road Materials and Pavement Design, https://doi.org/10.1080/14680629.2023.2199882

The Life Cycle Assessment (LCA) of asphalt pavements are associated with significant uncertainty resulting from variability in the quantity and impact of individual components, the quality of data for each component, and variability of asphalt durabi... Read More about Uncertainty analysis of life cycle assessment of asphalt surfacings.

Rubberised stone mastic asphalt mixtures: a performance-related evaluation (2022)
Journal Article
Subhy, A., Lo Presti, D., Airey, G., & Edwards, P. (2023). Rubberised stone mastic asphalt mixtures: a performance-related evaluation. Road Materials and Pavement Design, 24(9), 2280-2300. https://doi.org/10.1080/14680629.2022.2136580

The binder content of rubberised asphalt mixtures is usually increased compared to that used in conventional asphalt. This increase is deemed important to compensate for the reduction in the actual bitumen due to the existence of rubber particles. Th... Read More about Rubberised stone mastic asphalt mixtures: a performance-related evaluation.

Micromechanics-Based Viscoelasticity Predictions of Crumb Rubber Modified Bitumen Considering Polymer Network Effects (2022)
Journal Article
Wang, H., Zhang, H., Liu, X., Apostolidis, P., Erkens, S., Skarpas, A., …Airey, G. (2022). Micromechanics-Based Viscoelasticity Predictions of Crumb Rubber Modified Bitumen Considering Polymer Network Effects. Transportation Research Record, 2676(10), 73-88. https://doi.org/10.1177/03611981221088595

Crumb rubber modified bitumen (CRMB) can be regarded as a binary composite system in which swollen rubber particles are embedded in the bitumen matrix. Previous study has successfully implemented the micromechanics models in predicting the complex mo... Read More about Micromechanics-Based Viscoelasticity Predictions of Crumb Rubber Modified Bitumen Considering Polymer Network Effects.

Renewable binders from waste biomass for road construction: A review on thermochemical conversion technologies and current developments (2022)
Journal Article
Weir, A., Jiménez del Barco Carrión, A., Queffélec, C., Bujoli, B., Chailleux, E., Uguna, C., …Airey, G. (2022). Renewable binders from waste biomass for road construction: A review on thermochemical conversion technologies and current developments. Construction and Building Materials, 330, Article 127076. https://doi.org/10.1016/j.conbuildmat.2022.127076

Biobinders (binders manufactured from biomass) are becoming popular in asphalt engineering due to growing environmental concerns of greenhouse gas emissions from the use of fossil fuels and depleting petroleum bitumen reserves. Waste biomass products... Read More about Renewable binders from waste biomass for road construction: A review on thermochemical conversion technologies and current developments.

Characterisation of fatigue damage in asphalt mixtures using X-ray computed tomography (2022)
Journal Article
Chen, A., Airey, G., Thom, N., & Li, Y. (2022). Characterisation of fatigue damage in asphalt mixtures using X-ray computed tomography. Road Materials and Pavement Design, https://doi.org/10.1080/14680629.2022.2029756

The high-resolution X-ray CT was applied to investigate the fatigue damage evolution of asphalt mixtures. The detailed Xray CT images in the centre of the samples were used to characterise the fatigue cracking and air voids increase at different vert... Read More about Characterisation of fatigue damage in asphalt mixtures using X-ray computed tomography.

Black Space Rheological Assessment of Asphalt Material Behavior (2021)
Journal Article
Airey, G. D., Rowe, G. M., Sias, J. E., Di Benedetto, H., Sauzeat, C., & Dave, E. V. (2022). Black Space Rheological Assessment of Asphalt Material Behavior. Journal of Testing and Evaluation, 50(2), 770-787. https://doi.org/10.1520/JTE20210205

Black Space diagrams representing rheological data of asphalt materials in the form of complex modulus (|G*| or |E*|) versus phase angle (δ) have been successfully used for interpretation of material behavior and performance. Previous studies have us... Read More about Black Space Rheological Assessment of Asphalt Material Behavior.

Effect of hydrated lime and other mineral fillers on stiffening and oxidative ageing in bitumen mastic (2021)
Journal Article
Alfaqawi, R. M., Fareed, A., Zaidi, S. B. A., Airey, G. D., & Rahim, A. (2022). Effect of hydrated lime and other mineral fillers on stiffening and oxidative ageing in bitumen mastic. Construction and Building Materials, 315, Article 125789. https://doi.org/10.1016/j.conbuildmat.2021.125789

The bituminous binder's ageing process is the primary reason behind the decrement in the pavement's in-service life, which can lead to cracking as a result of extreme hardening of the binder. In order to mitigate this problem, several methods have be... Read More about Effect of hydrated lime and other mineral fillers on stiffening and oxidative ageing in bitumen mastic.

Modelling the stiffness development in asphalt concrete to obtain fatigue failure criteria (2021)
Journal Article
Chen, A., Airey, G. D., Thom, N., Litherland, J., & Adjetey Nii-Adjei, R. (2021). Modelling the stiffness development in asphalt concrete to obtain fatigue failure criteria. Construction and Building Materials, 306, Article 124837. https://doi.org/10.1016/j.conbuildmat.2021.124837

The study of fatigue is critical to good usability and durability of asphalt pavements. Inaccurate calculation of the fatigue failure criteria can cause incorrect evaluation of the fatigue performance, leading to inaccurate prediction of the pavement... Read More about Modelling the stiffness development in asphalt concrete to obtain fatigue failure criteria.

Rutting analysis of different rubberised stone mastic asphalt mixtures: from binders to mixtures (2021)
Journal Article
Subhy, A., Lo Presti, D., Airey, G., & Widyatmoko, I. (2022). Rutting analysis of different rubberised stone mastic asphalt mixtures: from binders to mixtures. Road Materials and Pavement Design, 23(9), 2098-2114. https://doi.org/10.1080/14680629.2021.1950818

Stone Mastic Asphalt (SMA) has been broadly used on heavily trafficked roads and motorways in the UK due to its known stability and durability. In this study, several sets of SMA mixtures were produced using different rubberised bitumens, including a... Read More about Rutting analysis of different rubberised stone mastic asphalt mixtures: from binders to mixtures.

Stiffening Effect of Fillers Based on Rheology and Micromechanics Models (2021)
Journal Article
Rahim, A., Milad, A., Yusoff, N. I. M., Airey, G., & Thom, N. (2021). Stiffening Effect of Fillers Based on Rheology and Micromechanics Models. Applied Sciences, 11(14), Article 6521. https://doi.org/10.3390/app11146521

The aggregate in an asphalt mixture is coated with mastic consisting of bitumen (dilute phase) and filler (particulates phase). The interaction of bitumen and filler and packing of filler plays an important role in the properties of mastics. The micr... Read More about Stiffening Effect of Fillers Based on Rheology and Micromechanics Models.

Rheological characterisation of cold bitumen emulsion slurries (2021)
Journal Article
Mignini, C., Lo Presti, D., Airey, G., & Graziani, A. (2021). Rheological characterisation of cold bitumen emulsion slurries. Road Materials and Pavement Design, 22(Sup1), S232-S250. https://doi.org/10.1080/14680629.2021.1906303

The performance of cold bitumen emulsion (CBE) mixtures is strongly linked to an optimised design of the binder blends and mastics. Types and dosages of bitumen, mineral additions and the workability must be characterised and optimised. This study ai... Read More about Rheological characterisation of cold bitumen emulsion slurries.

The composition of the material phase responsible for the self-healing of macro-cracks in asphalt mortar beams (2020)
Journal Article
Grossegger, D., Garcia, A., & Airey, G. (2022). The composition of the material phase responsible for the self-healing of macro-cracks in asphalt mortar beams. Road Materials and Pavement Design, 23(3), 656-665. https://doi.org/10.1080/14680629.2020.1842793

Self-healing of asphalt is assumed to be a flow process where bitumen flows into cracks to close them. Hence, the rheological behaviour of bitumen is one of the main factors affecting self-healing together with damage history, healing duration and pr... Read More about The composition of the material phase responsible for the self-healing of macro-cracks in asphalt mortar beams.