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A platform for research: civil engineering, architecture and urbanism
The Effect of Polymers on the Self-Healing Capacity of Bituminous Binders
https://orcid.org/https://orcid.org/0009-0003-6071-6553
https://orcid.org/https://orcid.org/0000-0003-0626-2864
https://orcid.org/https://orcid.org/0000-0003-0033-0803
This chapter aims to evaluate the effect of polymers on the self-healing capacity of bituminous binders. The fatigue resistance and self-healing properties of asphalt binders modified with two types of polymers: Styrene-Butadiene-Styrene (SBS) and Styrene-Butadiene-Rubber (SBR), at a constant modification rate of 3% by binder weight, were evaluated using Pure Linear Amplitude Sweep (PLAS) test and modified Pure Linear Amplitude Sweep Healing (PLASH) test, respectively. In the PLAS test, the load was applied continuously till failure. Whereas, in the PLASH test, a rest period of 30-min was introduced. All tests were conducted at a temperature of 20 °C. The results of this study demonstrated that the addition of polymers has a positive impact on both the fatigue performance and self-healing properties of the asphalt binder. The binders were found to rank based on their fatigue performance from best performance to worst performance as follows: 3% SBR, 3% SBS, and PG 58-28. On the other hand, the ranking based on the binders’ self-healing capacity was as follows: 3% SBS, 3% SBR, and PG 58-28. The authors suggested that further testing should be performed under different testing conditions to properly characterize the healing properties of asphalt binders modified with different polymers.
The Effect of Polymers on the Self-Healing Capacity of Bituminous Binders
https://orcid.org/https://orcid.org/0009-0003-6071-6553
https://orcid.org/https://orcid.org/0000-0003-0626-2864
https://orcid.org/https://orcid.org/0000-0003-0033-0803
This chapter aims to evaluate the effect of polymers on the self-healing capacity of bituminous binders. The fatigue resistance and self-healing properties of asphalt binders modified with two types of polymers: Styrene-Butadiene-Styrene (SBS) and Styrene-Butadiene-Rubber (SBR), at a constant modification rate of 3% by binder weight, were evaluated using Pure Linear Amplitude Sweep (PLAS) test and modified Pure Linear Amplitude Sweep Healing (PLASH) test, respectively. In the PLAS test, the load was applied continuously till failure. Whereas, in the PLASH test, a rest period of 30-min was introduced. All tests were conducted at a temperature of 20 °C. The results of this study demonstrated that the addition of polymers has a positive impact on both the fatigue performance and self-healing properties of the asphalt binder. The binders were found to rank based on their fatigue performance from best performance to worst performance as follows: 3% SBR, 3% SBS, and PG 58-28. On the other hand, the ranking based on the binders’ self-healing capacity was as follows: 3% SBS, 3% SBR, and PG 58-28. The authors suggested that further testing should be performed under different testing conditions to properly characterize the healing properties of asphalt binders modified with different polymers.
The Effect of Polymers on the Self-Healing Capacity of Bituminous Binders
https://orcid.org/https://orcid.org/0009-0003-6071-6553
https://orcid.org/https://orcid.org/0000-0003-0626-2864
https://orcid.org/https://orcid.org/0000-0003-0033-0803
This chapter aims to evaluate the effect of polymers on the self-healing capacity of bituminous binders. The fatigue resistance and self-healing properties of asphalt binders modified with two types of polymers: Styrene-Butadiene-Styrene (SBS) and Styrene-Butadiene-Rubber (SBR), at a constant modification rate of 3% by binder weight, were evaluated using Pure Linear Amplitude Sweep (PLAS) test and modified Pure Linear Amplitude Sweep Healing (PLASH) test, respectively. In the PLAS test, the load was applied continuously till failure. Whereas, in the PLASH test, a rest period of 30-min was introduced. All tests were conducted at a temperature of 20 °C. The results of this study demonstrated that the addition of polymers has a positive impact on both the fatigue performance and self-healing properties of the asphalt binder. The binders were found to rank based on their fatigue performance from best performance to worst performance as follows: 3% SBR, 3% SBS, and PG 58-28. On the other hand, the ranking based on the binders’ self-healing capacity was as follows: 3% SBS, 3% SBR, and PG 58-28. The authors suggested that further testing should be performed under different testing conditions to properly characterize the healing properties of asphalt binders modified with different polymers.
The Effect of Polymers on the Self-Healing Capacity of Bituminous Binders
Carter, Alan (editor) / Vasconcelos, Kamilla (editor) / Dave, Eshan (editor) / Almutairi, Haya (author) / Aurilio, Roberto M. (author) / Baaj, Hassan (author)
International Symposium on Asphalt Pavement & Environment ; 2024 ; Montreal, QC, Canada
14th International Conference on Asphalt Pavements ISAP2024 Montreal ; Chapter: 47 ; 279-283
2024-12-24
5 pages
Article/Chapter (Book)
Electronic Resource
English
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