A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Assessing Permanent Deformation of Asphalt Mixtures Under Moisture Damage
This chapter aims to assess the performance regarding permanent deformation of asphalt mixtures modified with an anti-stripping amine-based agent and hydrated lime under varying moisture conditions. The investigation involves three distinct mixtures: a reference (M1), a mixture incorporating the anti-stripping agent (M2), and a mixture containing hydrated lime (M3). These mixtures underwent the Uniaxial Repeated Load test, which assesses rutting resistance using a specific failure criterion known as the Flow Number. Moisture conditioning of the tested mixtures reduced stiffness but is concurrently improving resistance to rutting. The mixture containing hydrated lime (M3) exhibited more consistent properties, suggesting the potential benefits of this additive in enhancing asphalt performance under moist conditions. The adverse impacts of moisture on asphalt mixtures are particularly evident in terms of fatigue cracking and rutting, both contributing to accelerated deterioration and necessitating costly repairs. In conclusion, this research highlights the effectiveness of the moisture-induced conditioning process when related to high temperature along with the necessity to investigate whether the deterioration of the binder film might influence the enhancement of rutting behavior on conditioned mixtures.
Assessing Permanent Deformation of Asphalt Mixtures Under Moisture Damage
This chapter aims to assess the performance regarding permanent deformation of asphalt mixtures modified with an anti-stripping amine-based agent and hydrated lime under varying moisture conditions. The investigation involves three distinct mixtures: a reference (M1), a mixture incorporating the anti-stripping agent (M2), and a mixture containing hydrated lime (M3). These mixtures underwent the Uniaxial Repeated Load test, which assesses rutting resistance using a specific failure criterion known as the Flow Number. Moisture conditioning of the tested mixtures reduced stiffness but is concurrently improving resistance to rutting. The mixture containing hydrated lime (M3) exhibited more consistent properties, suggesting the potential benefits of this additive in enhancing asphalt performance under moist conditions. The adverse impacts of moisture on asphalt mixtures are particularly evident in terms of fatigue cracking and rutting, both contributing to accelerated deterioration and necessitating costly repairs. In conclusion, this research highlights the effectiveness of the moisture-induced conditioning process when related to high temperature along with the necessity to investigate whether the deterioration of the binder film might influence the enhancement of rutting behavior on conditioned mixtures.
Assessing Permanent Deformation of Asphalt Mixtures Under Moisture Damage
Carter, Alan (editor) / Vasconcelos, Kamilla (editor) / Dave, Eshan (editor) / Vale, Aline Cavalcanti Fialho (author) / da Silva, Lucas Sassaki Vieira (author) / Lira, Lucas Aragão (author) / dos Santos Bastos, Juceline Batista (author) / Soares, Jorge Barbosa (author)
International Symposium on Asphalt Pavement & Environment ; 2024 ; Montreal, QC, Canada
14th International Conference on Asphalt Pavements ISAP2024 Montreal ; Chapter: 75 ; 449-454
2024-12-24
6 pages
Article/Chapter (Book)
Electronic Resource
English
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