A Comparison on Physical and Rheological Properties of Three Different Waste Plastic-Modified Bitumen

Mashaan, Nuha S.; Chegenizadeh, Amin; Nikraz, Hamid

doi:10.3390/recycling7020018

Cited by 11 publications

(4 citation statements)

References 35 publications

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“…Dynamic rheological shear apparatus (AR-2000 N 330) produced by TA Company was adopted. According to the Test Code for Asphalt and Asphalt Mixture of Highway Engineering (JTG E 20-2011), the temperature of three kinds of modified asphalt was scanned [9,10] respectively. The angular frequency is 10 rad/s, the scanning temperature ranges from 58 to 82 ℃, and the scanning interval is 6 ℃.…”

Section: Dynamic Shear Rheometer Test (Dsr)mentioning

confidence: 99%

Rheological Properties of Desulfurized Crumb Rubber Modified Warm Mix Asphalt

Yuan,

Sun,

Huang

et al. 2023

J. Phys.: Conf. Ser.

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In order to study the rheological properties of warm mix asphalt modified by desulfurized rubber powder with different meshes, the desulfurized rubber powder was mixed with matrix asphalt at the best content. Dynamic shear rheological test (DSR) was used to study the high temperature rheological properties of asphalt modified by waste rubber powder. Multi-stress creep test (MSCR) was used to study the high temperature deformation resistance of asphalt modified with waste rubber powder. The low temperature rheological properties of Sasobit and crumb rubber modified asphalt with different mesh numbers were evaluated by bending beam rheological test (BBR). The test results show that compared with the base asphalt, the complex modulus and rutting factor of CRMA 60 are significantly improved, and the effect is more obvious than that of CRMA 40 and CRMA 80. With the addition of Sasobit, the high temperature performance of WCRMA first increased and then decreased. With the addition of Sasobit, the creep stiffness modulus of WCRMA decreases, the creep rate increases, and the low-temperature properties first increase and then decrease. From the atomic force microscope (AFM), it can be seen that Sasobit promotes the compatibility between rubber powder and asphalt, and the performance of asphalt modified by 60 mesh rubber powder is best. When the mass fraction of Sasobit is 2.5%, WCRMA has the best comprehensive performance.

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Section: Dynamic Shear Rheometer Test (Dsr)mentioning

confidence: 99%

Rheological Properties of Desulfurized Crumb Rubber Modified Warm Mix Asphalt

Yuan,

Sun,

Huang

et al. 2023

J. Phys.: Conf. Ser.

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“…By partially replacing pure bitumen, PMB offers economical and environmentally friendly paving compared to traditional methods as well [8]. Mashaan et al [9] examined the effects of PET on the physical and rheological properties of bitumen. They concluded that adding PET to bitumen improves its characteristics such as Penetration, Softening Point, and complex shear modulus.…”

Section: Introductionmentioning

confidence: 99%

Technical, Economic, and Environmental Sustainability Assessment of Reclaimed Asphalt and Waste Polyethylene Terephthalate Pavements

Sajid,

Hussian,

Khan

et al. 2024

Sustainability

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In the era of the global drive for sustainability in line with the United Nations Sustainable Development Goals (UN SDGs), sustainability measures are encouraged to be taken at all levels. This study explores a novel mix design integrating Reclaimed Asphalt (RAP) with waste Polyethylene Terephthalate (PET) to enhance pavement performance and sustainability. It adopts a holistic approach by investigating the technical, economic, and environmental aspects of the proposed mix to assess its sustainability. Industry experts emphasize the necessity of mitigating the resource intensiveness of pavement construction to foster sustainable infrastructure. RAP enables resource-efficient pavement construction by promoting asphalt recycling. However, increasing RAP quantity in the mix compromises asphalt structural stability, making it more susceptible to moisture damage and rutting. In this study, PET-modified Bitumen (PMB) is incorporated in higher RAP quantities in the asphaltic mix without compromising asphalt’s structural performance and durability. Various PMB amounts (2% to 10% by mass of mixture) were tested with 40% RAP (by mass of mixture), evaluating performance in terms of moisture damage, Marshall stability, rutting, etc. Optimal results were achieved with 6% PET and 40% RAP, showing a 7%, 57%, and 23% improvement in moisture resistance, rutting resistance, and Marshall stability, respectively, compared to unmodified asphalt (technical aspects). The novel asphalt mix demonstrated a 17% reduction in material cost (economic aspect) and a 53% decrease in CO2 emissions (environmental aspect) using Building Information Modeling (BIM). This study devises a prospective solution for the construction of resilient, resource-efficient, cost-effective, environmentally friendly, and sustainable pavements in line with UN SDGs and circular economy goals.

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“…As seen in Figure 1, the phase angle is the angle between the complex modulus and horizontal axis. A large phase angle value indicates that the material possesses more viscous behavior whereas lower phase angle value depicts an elastic behavior [9]. Hence, the determination of G* and δ can illustrate the viscoelastic property of bitumen with regards to rate of loading (time) and temperature [8].…”

Section: Introductionmentioning

confidence: 99%

A Comparative Study on the Physical and Rheological Properties of 60/70 and 80/100 Penetration Grade Bitumen in Malaysia

Santhanasamy¹,

Sutanto²

2023

JMechE

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The engineering properties of a bitumen plays vital role in determining the suitability of the bitumen usage for a pavement structure. Presently, bituminous pavements in Malaysia are constantly subjected to high-speed loading of vehicles as well as increased pavement temperature due to extreme solar heat which causes rutting and fatigue failure issues. In this research, the 60/70 and 80/100 penetration grade bitumen were subjected to both physical and rheological testing. Physical testing was used to determine the softening point, ductility, penetration and penetration index value whereas rheological testing chiefly determined the engineering properties of the bitumen such as complex modulus and phase angle which interprets the stiffness and viscoelastic behavior. Physical testing results indicate that the 60/70 penetration grade bitumen possesses lower penetration value, higher softening point, adequate ductility and higher penetration index value compared to the 80/100 penetration grade bitumen. Besides, rheological results show that the complex modulus and rutting factor of 60/70 bitumen indicates good stiffness towards temperature rise compared to the 80/100 penetration grade bitumen, thus, posing better resistance towards permanent deformation. Additionally, the 60/70 penetration grade bitumen generally possesses better elasticity compared to the 80/100 penetration grade bitumen which is observed through the phase angle determination.

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A Comparison on Physical and Rheological Properties of Three Different Waste Plastic-Modified Bitumen

Cited by 11 publications

References 35 publications

Rheological Properties of Desulfurized Crumb Rubber Modified Warm Mix Asphalt

Rheological Properties of Desulfurized Crumb Rubber Modified Warm Mix Asphalt

Technical, Economic, and Environmental Sustainability Assessment of Reclaimed Asphalt and Waste Polyethylene Terephthalate Pavements

A Comparative Study on the Physical and Rheological Properties of 60/70 and 80/100 Penetration Grade Bitumen in Malaysia

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