All Outputs (63)

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.

Fracture Characterization of Stone Mastic Asphalt (SMA) with Hydrated Lime Through the Semi-circular Bending Test Approach (2021)
Presentation / Conference Contribution
Ahmed, A. M., Carvajal-Munoz, J. S., & Airey, G. (2022). Fracture Characterization of Stone Mastic Asphalt (SMA) with Hydrated Lime Through the Semi-circular Bending Test Approach. In Proceedings of the RILEM International Symposium on Bituminous Materials (935-941). https://doi.org/10.1007/978-3-030-46455-4_119

Hydrated lime (HL) use as an active filler is due to its ability to increase the stiffness of asphalt mixtures as well as the mechanical and physicochemical performance through improved rutting resistance, reduced aging, and enhanced moisture-induced... Read More about Fracture Characterization of Stone Mastic Asphalt (SMA) with Hydrated Lime Through the Semi-circular Bending Test Approach.

Crack Self-healing in Asphalt as a Flow Process (2021)
Book Chapter
Grossegger, D., Garcia, A., & Airey, G. (2022). Crack Self-healing in Asphalt as a Flow Process. In Proceedings of the RILEM International Symposium on Bituminous Materials (489-495). Springer International Publishing. https://doi.org/10.1007/978-3-030-46455-4_62

Asphalt has the ability to restore diminished properties caused by damage. This ability is known as self-healing and in case of asphalt it is conferred upon by the competent bitumen. Bitumen is a viscoelastic liquid and has self-healing abilities due... Read More about Crack Self-healing in Asphalt as a Flow Process.

Temperature Dependency of the Stiffening Effect of Hydrated Lime in Stone Mastic Asphalt (SMA) Mixtures (2021)
Presentation / Conference Contribution
Cardenas, M., Carvajal-Munoz, J. S., & Airey, G. (2022). Temperature Dependency of the Stiffening Effect of Hydrated Lime in Stone Mastic Asphalt (SMA) Mixtures. In H. Di Benedetto, H. Baaj, E. Chailleux, G. Tebaldi, C. Sauzéat, & S. Mangiafico (Eds.), Proceedings of the RILEM International Symposium on Bituminous Materials: ISBM 2020 (1743-1749). https://doi.org/10.1007/978-3-030-46455-4_221

The effect of hydrated lime (HL) on the stiffening effect of bituminous mixtures is mainly driven by a physical phenomenon derived from the higher Rigden Air Voids (RAV) of HL in contrast to other filler types commonly used in bituminous mixtures suc... Read More about Temperature Dependency of the Stiffening Effect of Hydrated Lime in Stone Mastic Asphalt (SMA) Mixtures.

Experimental Investigation on Water Loss and Stiffness of CBTM Using Different RA Sources (2021)
Presentation / Conference Contribution
Grilli, A., Raschia, S., Perraton, D., Carter, A., Rahmanbeiki, A., Kara De Maeijer, P., …Tebaldi, G. (2022). Experimental Investigation on Water Loss and Stiffness of CBTM Using Different RA Sources. In H. Di Benedetto, H. Baaj, E. Chailleux, G. Tebaldi, C. Sauzéat, & S. Mangiafico (Eds.), Proceedings of the RILEM International Symposium on Bituminous Materials: ISBM Lyon 2020 (11-17). https://doi.org/10.1007/978-3-030-46455-4_2

Cold recycling of reclaimed asphalt (RA) is a promising technique to build or to maintain roads, combining performance and environmental advantages. Although this technique has been extensively used worldwide, there is no unique and internationally-s... Read More about Experimental Investigation on Water Loss and Stiffness of CBTM Using Different RA Sources.

Comparison of the Effects of Hydrated Lime on the Moisture-Induced Damage of Stone Mastic Asphalt (SMA) Mixtures (2021)
Presentation / Conference Contribution
Badal, A., Carvajal-Munoz, J. S., & Airey, G. (2022). Comparison of the Effects of Hydrated Lime on the Moisture-Induced Damage of Stone Mastic Asphalt (SMA) Mixtures. In Proceedings of the RILEM International Symposium on Bituminous Materials (465-471). https://doi.org/10.1007/978-3-030-46455-4_59

Moisture-induced damage is one of the most prominent distresses affecting pavement structures worldwide. As a consequence, various strategies for mitigating this phenomenon have been proposed, including the use of additives to improve bitumen-aggrega... Read More about Comparison of the Effects of Hydrated Lime on the Moisture-Induced Damage of Stone Mastic Asphalt (SMA) Mixtures.

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.

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.

Sustainable utilization of bauxite residue (Red Mud) as a road material in pavements: A critical review (2020)
Journal Article
Zhang, J., Yao, Z., Wang, K., Wang, F., Jiang, H., Liang, M., …Airey, G. (2021). Sustainable utilization of bauxite residue (Red Mud) as a road material in pavements: A critical review. Construction and Building Materials, 270, Article 121419. https://doi.org/10.1016/j.conbuildmat.2020.121419

Sustainable utilization of the bauxite residue (red mud) generated from the alumina refining has recently increased due to increased environmental concerns because of its high alkalinity and problematic pollutants when placed in landfills. This paper... Read More about Sustainable utilization of bauxite residue (Red Mud) as a road material in pavements: A critical review.

Application of image analysis tools in Matlab to better estimate the degree of binder coverage in rolling bottles test (2020)
Journal Article
Zaidi, S. B. A., Grenfell, J., Airey, G., Ahmad, N., Ahmed, I., Fareed, A., & Abed, A. (2020). Application of image analysis tools in Matlab to better estimate the degree of binder coverage in rolling bottles test. Road Materials and Pavement Design, 23(3), 601-616. https://doi.org/10.1080/14680629.2020.1834441

© 2020 Informa UK Limited, trading as Taylor & Francis Group. In asphalt mixture, a strong affinity between binder and aggregates is of prime importance, especially under conditions susceptible to moisture damage. Out of various modifiers/additives... Read More about Application of image analysis tools in Matlab to better estimate the degree of binder coverage in rolling bottles test.

Performance-related and rheological characterisation of natural rubber modified bitumen (2020)
Journal Article
Wititanapanit, J., Carvajal-Munoz, J. S., & Airey, G. (2021). Performance-related and rheological characterisation of natural rubber modified bitumen. Construction and Building Materials, 268, Article 121058. https://doi.org/10.1016/j.conbuildmat.2020.121058

This paper is motivated by the limited research available evaluating the comprehensive effects of natural rubber bitumen modification (NR) for pavement applications. A detailed laboratory programme was carried out to evaluate the influence of NR on t... Read More about Performance-related and rheological characterisation of natural rubber modified bitumen.

Applicability of time-temperature superposition for laboratory-aged neat and SBS-modified bitumens (2020)
Journal Article
Cuciniello, G., Leandri, P., Polacco, G., Airey, G., & Losa, M. (2020). Applicability of time-temperature superposition for laboratory-aged neat and SBS-modified bitumens. Construction and Building Materials, 263, Article 120964. https://doi.org/10.1016/j.conbuildmat.2020.120964

© 2020 Elsevier Ltd The applicability of the time–temperature superposition principle (TTSP) can breakdown in the case of highly oxidized bitumens and polymer-modified bitumens (PMBs). This study investigates such problem in Styrene Butadiene Styrene... Read More about Applicability of time-temperature superposition for laboratory-aged neat and SBS-modified bitumens.

Effects of ageing on the damage tolerance of polymer modified bitumens investigated through the LAS test and fluorescence microscopy (2020)
Journal Article
Cuciniello, G., Leandri, P., Losa, M., & Airey, G. (2020). Effects of ageing on the damage tolerance of polymer modified bitumens investigated through the LAS test and fluorescence microscopy. International Journal of Pavement Engineering, 23(4), 1-12. https://doi.org/10.1080/10298436.2020.1788031

The effects of polymer modification on the durability of Polymer Modified Bitumens (PMBs) still remain relatively unclear due to partial understanding of the combined effects of ageing and loading on damage accumulation. This paper investigates the e... Read More about Effects of ageing on the damage tolerance of polymer modified bitumens investigated through the LAS test and fluorescence microscopy.

Multi-Scale Rheo-Mechanical Study of SMA Mixtures Containing Fine Crumb Rubber in a New Dry-Hybrid Technology (2020)
Journal Article
Mazzotta, F., Tataranni, P., Simone, A., Fornai, D., Airey, G., & Sangiorgi, C. (2020). Multi-Scale Rheo-Mechanical Study of SMA Mixtures Containing Fine Crumb Rubber in a New Dry-Hybrid Technology. Applied Sciences, 10(11), Article 3887. https://doi.org/10.3390/app10113887

Moisture susceptibility assessment of hydrated lime modified asphalt mixture and surface energy (2020)
Journal Article
Zaidi, S. B. A., Airey, G. D., Grenfell, J., Ahmad, N., & Ahmed, I. (2022). Moisture susceptibility assessment of hydrated lime modified asphalt mixture and surface energy. International Journal of Pavement Engineering, 23(3), 599-611. https://doi.org/10.1080/10298436.2020.1763347

The influence of hydrated lime on moisture susceptibility of asphalt mixture was assessed using a combination of surface energy measurements and modified saturation ageing and tensile stiffness test. Four aggregate types, which are commonly used for... Read More about Moisture susceptibility assessment of hydrated lime modified asphalt mixture and surface energy.

Experimental Exploration of Influence of Recycled Polymer Components on Rutting Resistance and Fatigue Behavior of Asphalt Mixtures (2020)
Journal Article
Zhang, J., Li, H., Liu, P., Liang, M., Jiang, H., Yao, Z., & Airey, G. (2020). Experimental Exploration of Influence of Recycled Polymer Components on Rutting Resistance and Fatigue Behavior of Asphalt Mixtures. Journal of Materials in Civil Engineering, 32(6), Article 04020129. https://doi.org/10.1061/%28asce%29mt.1943-5533.0003140

Rutting and fatigue of asphalt pavements, as two important distresses, are significantly influenced by the properties of binders. This study aimed to improve the resistance of asphalt mixtures to permanent deformation and fatigue using two recycled w... Read More about Experimental Exploration of Influence of Recycled Polymer Components on Rutting Resistance and Fatigue Behavior of Asphalt Mixtures.

Effect of different viscous rejuvenators on chemical and mechanical behavior of aged and recovered bitumen from RAP (2019)
Journal Article
Zhang, J., Sun, C., Li, P., Jiang, H., Liang, M., Yao, Z., …Airey, G. (2020). Effect of different viscous rejuvenators on chemical and mechanical behavior of aged and recovered bitumen from RAP. Construction and Building Materials, 239, Article 117755. https://doi.org/10.1016/j.conbuildmat.2019.117755

© 2019 Elsevier Ltd Due to scarcity of virgin natural materials, the use of reclaimed asphalt pavement (RAP) has been promoted and encouraged in pavement engineering. However, note that the bituminous binder in RAP has been seriously aged due to long... Read More about Effect of different viscous rejuvenators on chemical and mechanical behavior of aged and recovered bitumen from RAP.

Environmental effects on the rheological properties of fine warm RAP-foamed bitumen mixtures using SATS conditioning protocol (2019)
Journal Article
Sánchez, D. B., Airey, G., Caro, S., & Grenfell, J. (2019). Environmental effects on the rheological properties of fine warm RAP-foamed bitumen mixtures using SATS conditioning protocol. International Journal of Pavement Engineering, 1-11. https://doi.org/10.1080/10298436.2019.1679365

© 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group. This paper uses the Saturation Ageing Tensile Stiffness (SATS) conditioning to evaluate the combined effects of moisture and oxidative ageing on the rheological characteristics o... Read More about Environmental effects on the rheological properties of fine warm RAP-foamed bitumen mixtures using SATS conditioning protocol.

A practical approach to estimate the degree of binder activity of reclaimed asphalt materials (2019)
Journal Article
Menegusso Pires, G., Lo Presti, D., & Airey, G. D. (2019). A practical approach to estimate the degree of binder activity of reclaimed asphalt materials. Road Materials and Pavement Design, 1-24. https://doi.org/10.1080/14680629.2019.1663244

© 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group. Using Reclaimed Asphalt (RA) in new asphalt mixtures can reduce the amount of new material required thereby saving money and natural resources. In addition, asphalt mixtures with... Read More about A practical approach to estimate the degree of binder activity of reclaimed asphalt materials.