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Impacts of recycled crumb rubber powder and natural rubber latex on the modified asphalt rheological behaviour, bonding, and resistance to shear

The objective of this study is to investigate the rheological properties, bonding and resistancetoshear of the rubberized modified binders under different conditions. A base asphalt binder with penetration grade 60/70 was utilised in this study. The crumb rubber and natural rubber latex were added a...

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Main Authors: Sharvin, Poovaneshvaran, Mohd Rosli, Mohd Hasan, Putra Jaya, Ramadhansyah
Format: Article
Language:English
Published: Elsevier Ltd 2020
Subjects:
TE Highway engineering. Roads and pavements
Online Access:http://umpir.ump.edu.my/id/eprint/26312/1/Impacts%20of%20recycled%20crumb%20rubber%20powder%20and%20natural1.pdf
http://umpir.ump.edu.my/id/eprint/26312/
https://doi.org/10.1016/j.conbuildmat.2019.117357
https://doi.org/10.1016/j.conbuildmat.2019.117357
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spelling my.ump.umpir.263122020-01-29T02:21:59Z http://umpir.ump.edu.my/id/eprint/26312/ Impacts of recycled crumb rubber powder and natural rubber latex on the modified asphalt rheological behaviour, bonding, and resistance to shear Sharvin, Poovaneshvaran Mohd Rosli, Mohd Hasan Putra Jaya, Ramadhansyah TE Highway engineering. Roads and pavements The objective of this study is to investigate the rheological properties, bonding and resistancetoshear of the rubberized modified binders under different conditions. A base asphalt binder with penetration grade 60/70 was utilised in this study. The crumb rubber and natural rubber latex were added at different percentages for the modified bitumen production, and computed based on the mass of bitumen. Silane additives at the rate of 0.1% by mass of asphalt binder were used as a surfactant. A series of rheological properties and recovery test were conducted on all binders. While bond test and Layer-Parallel Direct Shear (LPDS) test were carried out in order to simulate the crack movement of pavement. The results show that the addition of crumb rubber and latex positively impacts the performance of the asphalt binder. The crumb rubber and natural rubber latex modified asphalt binder has comparatively identical elastic recovery outcomes, while it also helps in enhancing the stiffness in terms of softening and penetration value. However, natural rubber latex modified asphalt binder performed much better than crumb rubber modified asphalt binder in terms of torsional recovery. Whereas, rotational viscosity test has been useful in adopting the suitable temperature which is 160 °C in order to satisfy the needs of better workability and to ensure it is pumpable. Storage stability test proved that the modified asphalt binders are homogenous since the temperature differences are less than 5 °C. The dynamic shear rheometer (DSR) test proved that the modified asphalt binder has better resistance to rutting. Through DSR findings and activation energy, the modified asphalt binder were catogorize as less susceptible to temperature changes. Finally, the crumb rubber modified asphalt binder did well in terms of bonding strength, while the natural rubber latex modified asphalt binder performed well in terms of resistance to shear. Overall, both rubberized modified binders performed better than the control sample. Elsevier Ltd 2020-02-20 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/26312/1/Impacts%20of%20recycled%20crumb%20rubber%20powder%20and%20natural1.pdf Sharvin, Poovaneshvaran and Mohd Rosli, Mohd Hasan and Putra Jaya, Ramadhansyah (2020) Impacts of recycled crumb rubber powder and natural rubber latex on the modified asphalt rheological behaviour, bonding, and resistance to shear. Construction and Building Materials, 234. pp. 1-19. ISSN 0950-0618 https://doi.org/10.1016/j.conbuildmat.2019.117357 https://doi.org/10.1016/j.conbuildmat.2019.117357
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TE Highway engineering. Roads and pavements
spellingShingle TE Highway engineering. Roads and pavements
Sharvin, Poovaneshvaran
Mohd Rosli, Mohd Hasan
Putra Jaya, Ramadhansyah
Impacts of recycled crumb rubber powder and natural rubber latex on the modified asphalt rheological behaviour, bonding, and resistance to shear
description The objective of this study is to investigate the rheological properties, bonding and resistancetoshear of the rubberized modified binders under different conditions. A base asphalt binder with penetration grade 60/70 was utilised in this study. The crumb rubber and natural rubber latex were added at different percentages for the modified bitumen production, and computed based on the mass of bitumen. Silane additives at the rate of 0.1% by mass of asphalt binder were used as a surfactant. A series of rheological properties and recovery test were conducted on all binders. While bond test and Layer-Parallel Direct Shear (LPDS) test were carried out in order to simulate the crack movement of pavement. The results show that the addition of crumb rubber and latex positively impacts the performance of the asphalt binder. The crumb rubber and natural rubber latex modified asphalt binder has comparatively identical elastic recovery outcomes, while it also helps in enhancing the stiffness in terms of softening and penetration value. However, natural rubber latex modified asphalt binder performed much better than crumb rubber modified asphalt binder in terms of torsional recovery. Whereas, rotational viscosity test has been useful in adopting the suitable temperature which is 160 °C in order to satisfy the needs of better workability and to ensure it is pumpable. Storage stability test proved that the modified asphalt binders are homogenous since the temperature differences are less than 5 °C. The dynamic shear rheometer (DSR) test proved that the modified asphalt binder has better resistance to rutting. Through DSR findings and activation energy, the modified asphalt binder were catogorize as less susceptible to temperature changes. Finally, the crumb rubber modified asphalt binder did well in terms of bonding strength, while the natural rubber latex modified asphalt binder performed well in terms of resistance to shear. Overall, both rubberized modified binders performed better than the control sample.
format Article
author Sharvin, Poovaneshvaran
Mohd Rosli, Mohd Hasan
Putra Jaya, Ramadhansyah
author_facet Sharvin, Poovaneshvaran
Mohd Rosli, Mohd Hasan
Putra Jaya, Ramadhansyah
author_sort Sharvin, Poovaneshvaran
title Impacts of recycled crumb rubber powder and natural rubber latex on the modified asphalt rheological behaviour, bonding, and resistance to shear
title_short Impacts of recycled crumb rubber powder and natural rubber latex on the modified asphalt rheological behaviour, bonding, and resistance to shear
title_full Impacts of recycled crumb rubber powder and natural rubber latex on the modified asphalt rheological behaviour, bonding, and resistance to shear
title_fullStr Impacts of recycled crumb rubber powder and natural rubber latex on the modified asphalt rheological behaviour, bonding, and resistance to shear
title_full_unstemmed Impacts of recycled crumb rubber powder and natural rubber latex on the modified asphalt rheological behaviour, bonding, and resistance to shear
title_sort impacts of recycled crumb rubber powder and natural rubber latex on the modified asphalt rheological behaviour, bonding, and resistance to shear
publisher Elsevier Ltd
publishDate 2020
url http://umpir.ump.edu.my/id/eprint/26312/1/Impacts%20of%20recycled%20crumb%20rubber%20powder%20and%20natural1.pdf
http://umpir.ump.edu.my/id/eprint/26312/
https://doi.org/10.1016/j.conbuildmat.2019.117357
https://doi.org/10.1016/j.conbuildmat.2019.117357
_version_ 1657487810314108928
score 13.211869

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