Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Investigation of Nano Materials’ Effect on Rheological Properties of Asphalt Binder
In recent years, nanotechnology attracted many pavement researchers to study the implementation of nanomaterials in asphalt binder to migrate the pavement distresses. This study investigates the use of two nanomaterials: nano-silica and nano-montmorillonite. A high shear mixer was used in controlled conditions to ensure homogeneous nanomaterials and asphalt binder blend. Different conventional and rheological tests were conducted, such as penetration, softening point, rotational viscosity, and Superpave rutting parameter (G*/sinδ) on unmodified and modified asphalt binders. In the research, both modifiers were shown to improve both the conventional and rheological properties of the asphalt binder. Nano clay had a slight influence on penetration and rutting parameter (G*/sinδ), yet softening point decreased with the addition of Nano clay. However, Nano silica modified asphalt binder showed a significant low penetration value and increase in rotational viscosity, softening point temperature, and rutting parameter (G*/sinδ). Overall, results proved that 7% nano-silica had the highest potential to enhance pavement performance.
Investigation of Nano Materials’ Effect on Rheological Properties of Asphalt Binder
In recent years, nanotechnology attracted many pavement researchers to study the implementation of nanomaterials in asphalt binder to migrate the pavement distresses. This study investigates the use of two nanomaterials: nano-silica and nano-montmorillonite. A high shear mixer was used in controlled conditions to ensure homogeneous nanomaterials and asphalt binder blend. Different conventional and rheological tests were conducted, such as penetration, softening point, rotational viscosity, and Superpave rutting parameter (G*/sinδ) on unmodified and modified asphalt binders. In the research, both modifiers were shown to improve both the conventional and rheological properties of the asphalt binder. Nano clay had a slight influence on penetration and rutting parameter (G*/sinδ), yet softening point decreased with the addition of Nano clay. However, Nano silica modified asphalt binder showed a significant low penetration value and increase in rotational viscosity, softening point temperature, and rutting parameter (G*/sinδ). Overall, results proved that 7% nano-silica had the highest potential to enhance pavement performance.
Investigation of Nano Materials’ Effect on Rheological Properties of Asphalt Binder
Al Naser, Kusi (Autor:in) / Ezzat, Helal (Autor:in) / Zeiada, Waleed (Autor:in) / Al-Khateeb, Ghazi (Autor:in) / Shanableh, Abdallah (Autor:in)
21.02.2022
2124251 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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