All Outputs (78)

Experimental evaluation of cohesive and adhesive bond strength and fracture energy of bitumen-aggregate systems (2015)
Journal Article
Zhang, J., Airey, G. D., & Grenfell, J. R. (2016). Experimental evaluation of cohesive and adhesive bond strength and fracture energy of bitumen-aggregate systems. Materials and Structures, 49(7), 2653-2667. https://doi.org/10.1617/s11527-015-0674-7

Degradation of asphalt pavements is an inevitable phenomenon due to the combined effects of high traffic loads and harsh environmental conditions. Deterioration can be in the form of cohesive failure of the bitumen and/or bitumen-filler mastic or by... Read More about Experimental evaluation of cohesive and adhesive bond strength and fracture energy of bitumen-aggregate systems.

Influence of aggregate mineralogical composition on water resistance of aggregate–bitumen adhesion (2015)
Journal Article
Zhang, J., Apeagyei, A. K., Airey, G. D., & Grenfell, J. R. (2015). Influence of aggregate mineralogical composition on water resistance of aggregate–bitumen adhesion. International Journal of Adhesion and Adhesives, 62, https://doi.org/10.1016/j.ijadhadh.2015.06.012

The effects of aggregate mineralogical composition on moistures sensitivity of aggregate–bitumen bonds were investigated using four aggregate types (two limestone and two granite)and two bitumen grades (40/60 penand70/100pen). Moisture sensitivity... Read More about Influence of aggregate mineralogical composition on water resistance of aggregate–bitumen adhesion.

Binder design of high RAP content hot and warm asphalt mixture wearing courses (2015)
Journal Article
Barco Carrión, A., Lo Presti, D., & Airey, G. (2015). Binder design of high RAP content hot and warm asphalt mixture wearing courses. Road Materials and Pavement Design, 16, 460-474. https://doi.org/10.1080/14680629.2015.1029707

Reclaimed Asphalt Pavement (RAP) has shown great potential for being used in the construction or maintenance of roads. However, RAP is usually downgraded to lower pavement layers and the percentage of RAP used in wearing courses is still moderate (≤3... Read More about Binder design of high RAP content hot and warm asphalt mixture wearing courses.

Discrete element modelling of creep of asphalt mixtures (2015)
Journal Article
Cai, W., McDowell, G. R., Airey, G., & de Bono, J. P. (in press). Discrete element modelling of creep of asphalt mixtures. Geomechanics and Geoengineering, 11(1), https://doi.org/10.1080/17486025.2015.1006689

Creep tests on asphalt mixtures have been undertaken under four stress levels in the laboratory while the Discrete Element Model (DEM) has been used to simulate the laboratory tests. A modified Burger’s model has been used to represent the time-depen... Read More about Discrete element modelling of creep of asphalt mixtures.

Stiffness of cold asphalt mixtures with recycled aggregates from construction and demolition waste (2015)
Journal Article
Gómez-Meijide, B., Pérez, I., Airey, G., & Thom, N. (2015). Stiffness of cold asphalt mixtures with recycled aggregates from construction and demolition waste. Construction and Building Materials, 77, 168-178. https://doi.org/10.1016/j.conbuildmat.2014.12.045

The stiffness of cold asphalt mixtures (CAM) with 100% recycled construction and demolition waste aggregates (CDWA) was studied from three different points of view: the indirect tensile stiffness modulus (ITSM), the dynamic modulus at different tempe... Read More about Stiffness of cold asphalt mixtures with recycled aggregates from construction and demolition waste.

A study into the use of crumb rubber in railway ballast (2014)
Journal Article
Sol-Sánchez, M., Thom, N., Moreno-Navarro, F., Rubio-Gámeza, M., & Airey, G. (2015). A study into the use of crumb rubber in railway ballast. Construction and Building Materials, 75, 19-24. https://doi.org/10.1016/j.conbuildmat.2014.10.045

Ballasted track is the most common form of construction used in railway transportation due to a number of benefits in comparison with other solutions such as slab track. However, the degradation of the ballast particles and the layer settlement lead... Read More about A study into the use of crumb rubber in railway ballast.

Mechanical and structural assessment of laboratory- and field-compacted asphalt mixtures (2014)
Journal Article
Airey, G., & Collop, A. (in press). Mechanical and structural assessment of laboratory- and field-compacted asphalt mixtures. International Journal of Pavement Engineering, 17(1), https://doi.org/10.1080/10298436.2014.925551

Compaction forms an integral part in the formation of the aggregate orientation and structure of an asphalt mixture and therefore has a profound influence on its final volumetric and mechanical performance. This article describes the influence of var... Read More about Mechanical and structural assessment of laboratory- and field-compacted asphalt mixtures.

Tyre rubber-modified bitumens development: the effect of varying processing conditions (2013)
Journal Article
Lo Presti, D., & Airey, G. (2013). Tyre rubber-modified bitumens development: the effect of varying processing conditions. Road Materials and Pavement Design, 14(4), 888-900. https://doi.org/10.1080/14680629.2013.837837

Tyre rubber-modified binders (TR-MBs), produced through McDonald's wet process and used worldwide (e.g. asphalt rubber), have been demonstrated to provide various benefits to pavements and, moreover, they represent a good opportunity for recycling ty... Read More about Tyre rubber-modified bitumens development: the effect of varying processing conditions.

Fundamental characterisation of reclaimed asphalts: the importance of testing homogeneous specimens (2013)
Journal Article
Lo Presti, D., Hassan, N., Airey, G., & Collop, A. (2013). Fundamental characterisation of reclaimed asphalts: the importance of testing homogeneous specimens. Road Materials and Pavement Design, 14(SUPPL.1), 120-131. https://doi.org/10.1080/14680629.2013.774750

This study highlights the importance of defining appropriate specimen manufacturing procedures when assessing the fundamental properties of reclaimed asphalt (RA) mixes for further modelling purposes. Two gyratory compactor procedures were used: the... Read More about Fundamental characterisation of reclaimed asphalts: the importance of testing homogeneous specimens.

Mechanical characterisation of reclaimed asphalt mixes for modelling purposes
Presentation / Conference Contribution
Lo Presti, D., Brown, L., Kranthi, K., Grenfell, J., Airey, G., Collop, A., & Scarpas, T. (2012, August). Mechanical characterisation of reclaimed asphalt mixes for modelling purposes. Paper presented at Seventh International Conference on Maintenance and Rehabilitation of Pavements and Technological Control, Auckland, New Zealand

Reclaimed Asphalt (RA) is a 100% recyclable material, but at present in Europe the re-use of RA in mixes is limited and a huge amount of it is simply wasted. Furthermore, the recycling of asphalt often involves a certain downgrading of the material.... Read More about Mechanical characterisation of reclaimed asphalt mixes for modelling purposes.

Tests Campaign Analysis to Evaluate the Capability of Fragmentation Test to Characterize Recycled Asphalt Pavement (RAP) Material
Presentation / Conference Contribution
Perraton, D., Tebaldi, G., Dave, E., Bilodeau, F., Giacomello, G., Grilli, A., Graziani, A., Bocci, M., Grenfell, J., Muraya, P., Pasetto, M., Kuna, K., Apeagyei, A., Lo Presti, D., Airey, G., Jenkins, K., Hajj, E., Hugener, M., & Marsac, P. (2015, October). Tests Campaign Analysis to Evaluate the Capability of Fragmentation Test to Characterize Recycled Asphalt Pavement (RAP) Material. Presented at 8th RILEM International Symposium on Testing and Characterization of Sustainable and Innovative Bituminous Materials, Ancona, Italy

Cold and hot recycling of reclaimed asphalt pavement (RAP) is increasingly gaining in popularity worldwide due to the need to increase the sustainability of asphalt pavement, both from environmental and economic perspectives. Despite the increasing o... Read More about Tests Campaign Analysis to Evaluate the Capability of Fragmentation Test to Characterize Recycled Asphalt Pavement (RAP) Material.

Alternative methodologies to evaluate storage stability of rubberised bitumens
Presentation / Conference Contribution
Lo Presti, D., Memon, N., Grenfell, J., & Airey, G. (2014, June). Alternative methodologies to evaluate storage stability of rubberised bitumens. Presented at 12th International Conference on Asphalt Pavements, ISAP 2014, Raleigh, NC

Tyre Rubber Modified Binders (TR-MBs), produced through the McDonald wet process and used worldwide (e.g. asphalt rubber), have demonstrated various benefits to pavements and, moreover, they represent a good opportunity for recycling tyre rubber. How... Read More about Alternative methodologies to evaluate storage stability of rubberised bitumens.

Comparison of the Effects of Hydrated Lime on the Moisture-Induced Damage of Stone Mastic Asphalt (SMA) Mixtures
Presentation / Conference Contribution
Badal, A., Carvajal-Munoz, J. S., & Airey, G. (2020, December). Comparison of the Effects of Hydrated Lime on the Moisture-Induced Damage of Stone Mastic Asphalt (SMA) Mixtures. Presented at RILEM International Symposium on Bituminous Materials, Lyon, France (online)

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.

Experimental Investigation on Water Loss and Stiffness of CBTM Using Different RA Sources
Presentation / Conference Contribution
Grilli, A., Raschia, S., Perraton, D., Carter, A., Rahmanbeiki, A., Kara De Maeijer, P., Lo Presti, D., Airey, G., Ogbo, C., Dave, E. V., & Tebaldi, G. (2020, December). Experimental Investigation on Water Loss and Stiffness of CBTM Using Different RA Sources. Presented at RILEM International Symposium on Bituminous Materials, Lyon, France (online)

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.

Temperature Dependency of the Stiffening Effect of Hydrated Lime in Stone Mastic Asphalt (SMA) Mixtures
Presentation / Conference Contribution
Cardenas, M., Carvajal-Munoz, J. S., & Airey, G. (2020, December). Temperature Dependency of the Stiffening Effect of Hydrated Lime in Stone Mastic Asphalt (SMA) Mixtures. Presented at ISBM Lyon 2020, Lyon, France

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.

Fracture Characterization of Stone Mastic Asphalt (SMA) with Hydrated Lime Through the Semi-circular Bending Test Approach
Presentation / Conference Contribution
Ahmed, A. M., Carvajal-Munoz, J. S., & Airey, G. (2020, December). Fracture Characterization of Stone Mastic Asphalt (SMA) with Hydrated Lime Through the Semi-circular Bending Test Approach. Presented at RILEM International Symposium on Bituminous Materials, Lyon, France (online)

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.

Guidelines for the implementation of SMARTI: Sustainable Multifunctional Automated Resilient Transport Infrastructure
Presentation / Conference Contribution
Lo Presti, D., Hautiere, N., Hornych, P., Nkwanga, H., Mignini, C., McLoughlin, A., Di Mino, G., Airey, G., Chailleux, E., del Rubio Gámez, M. C., Pouget, S., Audley, M., Levenberg, E., & Doherty, P. (2022, November). Guidelines for the implementation of SMARTI: Sustainable Multifunctional Automated Resilient Transport Infrastructure. Presented at TRA Lisbon 2022 Conference Proceedings Transport Research Arena (TRA Lisbon 2022), Lisboa, Portugal

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.

Performance-Related Characterization of SBS-Modified Bitumen-Filler Mastics Incorporating Hydrated Lime
Presentation / Conference Contribution
Carvajal-Muñoz, J. S., Airey, G., Vergara, I., Sanjuan, A., Pérez, M., Contreras, M., Hernández, R., Cepeda, J., Rodríguez, W., Gómez, F., & Rodriguez, S. (2024, July). Performance-Related Characterization of SBS-Modified Bitumen-Filler Mastics Incorporating Hydrated Lime. Presented at 10th International Conference on Maintenance and Rehabilitation of Pavements (MAIREPAV10), Guimarães, Portugal