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The spherical primitive and perlin noise method to recreate realistic aggregate shapes (2021)
Journal Article
Michot-Roberto, S., Garcia-Hernández, A., Dopazo-Hilario, S., & Dawson, A. (2021). The spherical primitive and perlin noise method to recreate realistic aggregate shapes. Granular Matter, 23(2), Article 41. https://doi.org/10.1007/s10035-021-01105-6

Abstract: An algorithm to re-create virtual aggregates with realistic shapes is presented in this paper. The algorithm has been implemented in the Unity 3D platform. The idea is to re-create realistically the virtual coarse and crushed aggregates tha... Read More about The spherical primitive and perlin noise method to recreate realistic aggregate shapes.

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.

Influence of encapsulated sunflower oil on the mechanical and self-healing properties of dense-graded asphalt mixtures (2019)
Journal Article
Norambuena-Contreras, J., Liu, Q., Zhang, L., Wu, S., Yalcin, E., & Garcia, A. (2019). Influence of encapsulated sunflower oil on the mechanical and self-healing properties of dense-graded asphalt mixtures. Materials and Structures, 52(4), https://doi.org/10.1617/s11527-019-1376-3

This paper re-evaluates the effect of sunflower oil capsules on the mechanical and self-healing properties of dense-graded asphalt mixtures. Different percentages of capsules (0.50wt.%, 0.75wt.% and 1.00wt.%) were mixed into dense asphalt. The influe... Read More about Influence of encapsulated sunflower oil on the mechanical and self-healing properties of dense-graded asphalt mixtures.

Dynamics of water evaporation from porous asphalt (2019)
Journal Article
Aboufoul, M., Shokri, N., Saleh, E., Tuck, C., & Garcia, A. (2019). Dynamics of water evaporation from porous asphalt. Construction and Building Materials, 202, 406-414. https://doi.org/10.1016/j.conbuildmat.2019.01.043

The dynamics of water evaporation from porous asphalt mixture, with porosity ranging from 15% to 12 29%, have been investigated in this article. In order to test the same samples under different conditions, the pore structure of asphalt was quantifi... Read More about Dynamics of water evaporation from porous asphalt.

A novel type cold mix pavement material made with calcium-alginate and aggregates (2018)
Journal Article
Alenezi, T., Norambuena-Contreras, J., Dawson, A., & Garcia, A. (2019). A novel type cold mix pavement material made with calcium-alginate and aggregates. Journal of Cleaner Production, 212, 37-45. https://doi.org/10.1016/j.jclepro.2018.11.297

This paper has been prepared in the frame of a research focused on the development of Cold Mix pavement materials made with calcium-alginate Capsules (CMC) instead of with just bitumen emulsion, as it is normally made. The initial objective was to re... Read More about A novel type cold mix pavement material made with calcium-alginate and aggregates.

On-site manufacture of hot mix asphalt using pellets that can be melted by induction energy (2018)
Journal Article
Obaidi, H., Gomez-Meijide, B., & Garcia, A. (2019). On-site manufacture of hot mix asphalt using pellets that can be melted by induction energy. Powder Technology, 344, 58-67. https://doi.org/10.1016/j.powtec.2018.11.089

Despite extensive research into different pothole repair method, up to date, there is no research using the induction heating technology to address the pothole repair has been investigated. The utilization of induction heating with the innovative pot... Read More about On-site manufacture of hot mix asphalt using pellets that can be melted by induction energy.

New predictive methodology for the apparent activation energy and strength of conventional and rapid hardening concretes (2018)
Journal Article
Saadoon, T., Gómez-Meijide, B., & Garcia, A. (2019). New predictive methodology for the apparent activation energy and strength of conventional and rapid hardening concretes. Cement and Concrete Research, 115, 264-273. https://doi.org/10.1016/j.cemconres.2018.10.020

Cement concrete is one of the most used construction materials globally. Prediction of its mechanical performance during hydration contributes to reduced construction time and costs. In this sense, there are different predictive models based on the c... Read More about New predictive methodology for the apparent activation energy and strength of conventional and rapid hardening concretes.

Effect of bitumen properties in the induction healing capacity of asphalt mixes (2018)
Journal Article
Gómez-Meijide, B., Ajam, H., Garcia, A., & Vansteenkiste, S. (2018). Effect of bitumen properties in the induction healing capacity of asphalt mixes. Construction and Building Materials, 190, 131-139. https://doi.org/10.1016/j.conbuildmat.2018.09.102

The visco-elasto-plastic nature of asphalt mixtures gives the material the capacity to self-heal cracks. One of the most promising methods to accelerate the healing phenomenon is the addition of conductive particles to the mix that can be externally... Read More about Effect of bitumen properties in the induction healing capacity of asphalt mixes.

Induction-heatable asphalt pellets as a new material in road maintenance (2018)
Journal Article
Obaidi, H., Gomez-Meijide, B., & Garcia, A. (2018). Induction-heatable asphalt pellets as a new material in road maintenance. Journal of Materials in Civil Engineering, 30(11), doi:10.1061/(ASCE) MT.1943-5533.0002485

In the present investigation, asphalt pellets containing steel grit have been prepared and tested as an energy-efficient and durable alternative to conventional road construction materials, such as hot- and cold-asphalt mixtures. Among other advantag... Read More about Induction-heatable asphalt pellets as a new material in road maintenance.

Prediction of water evaporation and stability of cold asphalt mixtures containing different types of cement (2018)
Journal Article
Saadoon, T., Gómez-Meijide, B., & Garcia, A. (2018). Prediction of water evaporation and stability of cold asphalt mixtures containing different types of cement. Construction and Building Materials, 186, 751-761. https://doi.org/10.1016/j.conbuildmat.2018.07.218

The mechanical performance of cold asphalt mixtures (CAM) can be improved by using cement additions, but it is unclear how this affects the dynamics of water evaporation during drying. This paper investigates CAM samples with different contents and t... Read More about Prediction of water evaporation and stability of cold asphalt mixtures containing different types of cement.

Self-Healing Asphalt Review: From Idea to Practice (2018)
Journal Article
Xu, S., García, A., Su, J., Liu, Q., Tabaković, A., & Schlangen, E. (2018). Self-Healing Asphalt Review: From Idea to Practice. Advanced Materials Interfaces, 5(17), Article 1800536. https://doi.org/10.1002/admi.201800536

In recent decades, researchers have revealed the great healing potential of asphalt and proposed various novel methods to inspire and improve the self?healing capacity of asphalt aimed to prolong the service life of asphalt pavement. In this review,... Read More about Self-Healing Asphalt Review: From Idea to Practice.

Influence of rheological and physical bitumen properties on heat-induced self-healing of asphalt mastic beams (2018)
Journal Article
Grossegger, D., Gomez-Meijide, B., Vansteenkiste, S., & Garcia, A. (2018). Influence of rheological and physical bitumen properties on heat-induced self-healing of asphalt mastic beams. Construction and Building Materials, 182, 298-308. https://doi.org/10.1016/j.conbuildmat.2018.06.148

Asphaltic materials have self-healing properties due to the capacity of bitumen, a viscoelastic liquid with a temperature- and time-dependent viscosity, to flow and/or drain into cracks. Different types of bitumen have different adhesive and rheologi... Read More about Influence of rheological and physical bitumen properties on heat-induced self-healing of asphalt mastic beams.

Effect of ageing and RAP content on the induction healing properties of asphalt mixtures (2018)
Journal Article
Gómez-Meijide, B., Ajam, H., Lastra-González, P., & Garcia, A. (2018). Effect of ageing and RAP content on the induction healing properties of asphalt mixtures. Construction and Building Materials, 179, 468-476. https://doi.org/10.1016/j.conbuildmat.2018.05.121

Over the service life of asphalt roads, different factors produce, in the bitumen, a hardening process known as “ageing”. Also, the addition of recycled, aged material (i.e. RAP) to new mixes modifies the viscosity of the mix. The present research st... Read More about Effect of ageing and RAP content on the induction healing properties of asphalt mixtures.

Mechanical and healing properties of asphalt mixes reinforced with different types of waste and commercial metal particles (2018)
Journal Article
Ajam, H., Gómez-Meijide, B., Artamendi, I., & Garcia, A. (2018). Mechanical and healing properties of asphalt mixes reinforced with different types of waste and commercial metal particles. Journal of Cleaner Production, 192, 138-150. https://doi.org/10.1016/j.jclepro.2018.04.262

Improper disposal of metal waste in landfills is one of the primary means by which metals, mainly produced in different industrial sectors, reach the soil and ground water. These can migrate to surrounding ecosystems and bio-magnify in plants and ani... Read More about Mechanical and healing properties of asphalt mixes reinforced with different types of waste and commercial metal particles.

Effect of mixing and ageing on the mechanical and self-healing properties of asphalt mixtures containing polymeric capsules (2018)
Journal Article
Norambuena-Contreras, J., Yalcin, E., Garcia, A., Al-Mansoori, T., Yilmaz, M., & Hudson-Griffiths, R. (2018). Effect of mixing and ageing on the mechanical and self-healing properties of asphalt mixtures containing polymeric capsules. Construction and Building Materials, 175, 254-266. https://doi.org/10.1016/j.conbuildmat.2018.04.153

In this paper, polymeric capsules with sunflower oil as the encapsulated rejuvenator were manufactured and added to asphalt mixtures to improve their self-healing properties. A capsule content of 0.5% by total mass of mixture was added to the asphalt... Read More about Effect of mixing and ageing on the mechanical and self-healing properties of asphalt mixtures containing polymeric capsules.

Self-healing of dense asphalt concrete by two different approaches: Electromagnetic induction and infrared radiation (2017)
Journal Article
Ajam, H., Lastra-Gonzalez, P., Gomez-Meijide, B., Airey, G., & Garcia, A. (in press). Self-healing of dense asphalt concrete by two different approaches: Electromagnetic induction and infrared radiation. Journal of Testing and Evaluation, 45(6), https://doi.org/10.1520/JTE20160612

Self-healing of cracks in asphalt mixtures is a phenomenon that can be accelerated by reducing the viscosity of bitumen as it increases the capillarity flow through the cracks. One method to achieve this is by increasing temperature, which also produ... Read More about Self-healing of dense asphalt concrete by two different approaches: Electromagnetic induction and infrared radiation.

Factors affecting hydraulic conductivity of asphalt mixture (2016)
Journal Article
Garcia, A., Aboufoul, M., Aboufoul, M., & Garcia, A. (2017). Factors affecting hydraulic conductivity of asphalt mixture. Materials and Structures, 50(2), https://doi.org/10.1617/s11527-016-0982-6

In this paper, the topological properties of air voids in asphalt mixture: air void content, average void diameter, Euler number, genus, enclosed cavities, percolation number, aspect ratio, circularity and tortuosity were analysed using X-ray tomogra... Read More about Factors affecting hydraulic conductivity of asphalt mixture.

Thermal properties of asphalt pavements under dry and wet conditions (2015)
Journal Article
Hassn, A., Chiarelli, A., Dawson, A., & Garcia, A. (2016). Thermal properties of asphalt pavements under dry and wet conditions. Materials and Design, 91, https://doi.org/10.1016/j.matdes.2015.11.116

Air voids play an important role in the temperature evolution of asphalt pavements exposed to the sun's radiation and the environment, but their effects have never been precisely quantified before. The objective of this article is to understand and q... Read More about Thermal properties of asphalt pavements under dry and wet conditions.

Multivariable analysis of potential evaporation from moist asphalt mixture (2015)
Journal Article
Garcia, A., Hassn, A., Chiarelli, A., & Dawson, A. (2015). Multivariable analysis of potential evaporation from moist asphalt mixture. Construction and Building Materials, 98, https://doi.org/10.1016/j.conbuildmat.2015.08.061

Asphalt pavements are normally dark colored and may get a very high temperature difference with the environment during daytime, but the influence of water evaporation in their temperature is unknown. Water evaporation experiments have been conducted... Read More about Multivariable analysis of potential evaporation from moist asphalt mixture.

Parametric analysis of energy harvesting pavements operated by air convection (2015)
Journal Article
Chiarelli, A., Dawson, A., & Garcia, A. (2015). Parametric analysis of energy harvesting pavements operated by air convection. Applied Energy, 154, 951-958. https://doi.org/10.1016/j.apenergy.2015.05.093

In this paper, an energy harvesting pavement prototype using air as the operating fluid is described and analysed. The prototype harvests the thermal energy available in the pavement through pipes embedded in its structure, where air flows thanks to... Read More about Parametric analysis of energy harvesting pavements operated by air convection.