Investigation on fatigue damage of buton rock asphalt mixtures using semi-circular bending (SCB) and digital image correlation (DIC) techniques

Ren, Dongya; Yang, Haibo; Xu, Jiarui; Wu, Pengfei; Huang, Yangquan; Kong, Lin; Wang, Zilin; Ai, Changfa

doi:10.1016/j.conbuildmat.2024.138797

Construction and Building Materials

2024

DOI: 10.1016/j.conbuildmat.2024.138797

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Investigation on fatigue damage of buton rock asphalt mixtures using semi-circular bending (SCB) and digital image correlation (DIC) techniques

Dongya Ren,

Haibo Yang,

Jiarui Xu

et al.

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2024

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Rheological Performance and UV Aging Resistance of Buton Rock Asphalt and Styrene-Butadiene-Styrene Composite Modified Asphalt Under High Temperature

Li,

Huang,

Zeng

et al. 2024

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This study aims to investigate the high-temperature rheological properties and ultraviolet (UV) aging resistance of Buton rock asphalt (BRA) and styrene-butadiene-styrene (SBS) composite modified asphalt. Initially, the surface morphology of BRA and SBS was examined using scanning electron microscopy. The high-temperature rheological properties and chemical characteristics of BRA modified asphalt, SBS modified asphalt, and BRA/SBS composite modified asphalt before and after UV aging were investigated. The results reveal that numerous pores and folds on the surface of BRA form a distinctive honeycomb-like structure that offers a large surface area, enhancing asphalt adsorption and thereby improving the high-temperature properties of asphalt. The addition of SBS enhances the elastic response of Buton rock asphalt modified asphalt (BRAMA). The Fourier transform infrared (FTIR) spectra indicate that BRA effectively reduces the carbonyl and sulfoxide index of asphalt, and the complex modulus aging index (CMAI) and phase angle aging index (PAI) suggest that the BRA/SBS composite modified asphalt exhibits better resistance to ultraviolet aging.

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Rheological Performance and UV Aging Resistance of Buton Rock Asphalt and Styrene-Butadiene-Styrene Composite Modified Asphalt Under High Temperature

Li,

Huang,

Zeng

et al. 2024

Coatings

View full text Add to dashboard Cite

show abstract

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Investigation on fatigue damage of buton rock asphalt mixtures using semi-circular bending (SCB) and digital image correlation (DIC) techniques

Cited by 1 publication

References 27 publications

Rheological Performance and UV Aging Resistance of Buton Rock Asphalt and Styrene-Butadiene-Styrene Composite Modified Asphalt Under High Temperature

Rheological Performance and UV Aging Resistance of Buton Rock Asphalt and Styrene-Butadiene-Styrene Composite Modified Asphalt Under High Temperature

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