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A platform for research: civil engineering, architecture and urbanism
Rutting resistance, fatigue properties and temperature susceptibility of nano clay modified asphalt rubber binder
https://orcid.org/0000-0003-3048-0976
Graphical abstract Display Omitted
Highlights The rutting performance, fatigue properties and temperature susceptibility of NC modified ARB are investigated. Superpave tests, temperature sweep, LAS and MSCR tests and ANOVA analysis are evaluated and discussed. Addition of NC lead to an improving physical and rheological properties and temperature susceptibility of ARB. Modified binder containing GTR and NC have a high rutting and fatigue resistance. GTR and NC have a considerable effect on rutting performance, PG temperature range, and temperature susceptibility.
Abstract In this study, rutting performance, fatigue response and, rheological properties of CRMN (Crumb Rubber Modified Nano-clay) binders were investigated using the Multiple Stress Creep and Recovery (MSCR), Linear Amplitude Sweep (LAS) and, Superpave tests. The physical and rheological tests indicate that adding nanoclay (NC) to asphalt rubber binder (ARB) can decrease temperature susceptibility and improve the aging resistance and rheological properties of ARB. MSCR test results show that the addition of NC reduces the permanent strain and increases the rutting resistance of ARB samples. In addition, the GTR15%+NC4% sample has the best rutting resistance, which improves performance grade from PG 58S-22 to PG 70H–28. LAS test indicated that the presence of a polymer network in ARB at low strain increases the fatigue life, however, increasing the strain causes the slipping and destruction of the polymer network. The addition of NC led to a delay in the oxidation process and improve the aging resistance, hence increasing fatigue life of ARB binders. Finally, the ANOVA and Tukey analysis showed that increasing GTR and NC have a considerable effect on rutting performance, PG teخهe range and temperature susceptibility of ARB.
Rutting resistance, fatigue properties and temperature susceptibility of nano clay modified asphalt rubber binder
https://orcid.org/0000-0003-3048-0976
Graphical abstract Display Omitted
Highlights The rutting performance, fatigue properties and temperature susceptibility of NC modified ARB are investigated. Superpave tests, temperature sweep, LAS and MSCR tests and ANOVA analysis are evaluated and discussed. Addition of NC lead to an improving physical and rheological properties and temperature susceptibility of ARB. Modified binder containing GTR and NC have a high rutting and fatigue resistance. GTR and NC have a considerable effect on rutting performance, PG temperature range, and temperature susceptibility.
Abstract In this study, rutting performance, fatigue response and, rheological properties of CRMN (Crumb Rubber Modified Nano-clay) binders were investigated using the Multiple Stress Creep and Recovery (MSCR), Linear Amplitude Sweep (LAS) and, Superpave tests. The physical and rheological tests indicate that adding nanoclay (NC) to asphalt rubber binder (ARB) can decrease temperature susceptibility and improve the aging resistance and rheological properties of ARB. MSCR test results show that the addition of NC reduces the permanent strain and increases the rutting resistance of ARB samples. In addition, the GTR15%+NC4% sample has the best rutting resistance, which improves performance grade from PG 58S-22 to PG 70H–28. LAS test indicated that the presence of a polymer network in ARB at low strain increases the fatigue life, however, increasing the strain causes the slipping and destruction of the polymer network. The addition of NC led to a delay in the oxidation process and improve the aging resistance, hence increasing fatigue life of ARB binders. Finally, the ANOVA and Tukey analysis showed that increasing GTR and NC have a considerable effect on rutting performance, PG teخهe range and temperature susceptibility of ARB.
Rutting resistance, fatigue properties and temperature susceptibility of nano clay modified asphalt rubber binder
https://orcid.org/0000-0003-3048-0976
Graphical abstract Display Omitted
Highlights The rutting performance, fatigue properties and temperature susceptibility of NC modified ARB are investigated. Superpave tests, temperature sweep, LAS and MSCR tests and ANOVA analysis are evaluated and discussed. Addition of NC lead to an improving physical and rheological properties and temperature susceptibility of ARB. Modified binder containing GTR and NC have a high rutting and fatigue resistance. GTR and NC have a considerable effect on rutting performance, PG temperature range, and temperature susceptibility.
Abstract In this study, rutting performance, fatigue response and, rheological properties of CRMN (Crumb Rubber Modified Nano-clay) binders were investigated using the Multiple Stress Creep and Recovery (MSCR), Linear Amplitude Sweep (LAS) and, Superpave tests. The physical and rheological tests indicate that adding nanoclay (NC) to asphalt rubber binder (ARB) can decrease temperature susceptibility and improve the aging resistance and rheological properties of ARB. MSCR test results show that the addition of NC reduces the permanent strain and increases the rutting resistance of ARB samples. In addition, the GTR15%+NC4% sample has the best rutting resistance, which improves performance grade from PG 58S-22 to PG 70H–28. LAS test indicated that the presence of a polymer network in ARB at low strain increases the fatigue life, however, increasing the strain causes the slipping and destruction of the polymer network. The addition of NC led to a delay in the oxidation process and improve the aging resistance, hence increasing fatigue life of ARB binders. Finally, the ANOVA and Tukey analysis showed that increasing GTR and NC have a considerable effect on rutting performance, PG teخهe range and temperature susceptibility of ARB.
Rutting resistance, fatigue properties and temperature susceptibility of nano clay modified asphalt rubber binder
Amini, Amir (author) / Ziari, Hassan (author) / Saadatjoo, Seyed Amir (author) / Hashemifar, Negar Sadat (author) / Goli, Ahmad (author)
2020-09-12
Article (Journal)
Electronic Resource
English
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