Research on surface morphology characteristics and micro-damage mechanism of asphalt mastic based on charge transfer principle

Gao, Meiyi; Yang, Hongsheng; Li, Yiming; Yu, Lize; Zhao, Song

doi:10.1016/j.conbuildmat.2023.131686

Cited by 6 publications

(1 citation statement)

References 52 publications

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“…On the one hand, this may be due to the increased number and size of internal pores in the SBS-modified asphalt mastic under the combined action of temperature and humidity, providing channels for water to enter the mastic and ultimately destroying the internal structure of the mastic. On the other hand, it is because hydrophilic polar molecules and some water-soluble substances in the SBS-modified asphalt mastic combine with water, causing the mastic to become brittle and hard [33,34].…”

Section: The Force-displacement Curves For Sbs-modified Asphalt Masti...mentioning

confidence: 99%

The Effect of the Temperature–Humidity Coupling Cycle on the Performance of Styrene Butadiene Styrene Polymer-Modified Asphalt Mastic

Ma,

Su,

Tan

et al. 2024

Applied Sciences

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To study the variation laws and effects of asphalt mastic under the cooperative interaction of different temperatures and humidities, cyclic conditions for different temperature ranges were set to conduct indoor experimental simulations of thermal–humidity coupling cycles. Firstly, the macroscopic performance changes in styrene butadiene styrene polymer (SBS)-modified asphalt mastic were evaluated by the penetration test, softening point test, ductility test, Brookfield rotational viscosity test, and double-edge notched tensile (DENT) test; then, the mechanism of performance changes was explored from the perspective of chemical composition by combining this with Fourier transform infrared spectroscopy (FTIR). The research results show that with the increase in thermal–humidity coupling cycles, SBS-modified asphalt mastic exhibited aging phenomena such as hardening and embrittlement, and its macroscopic performance deteriorated; under the same test conditions, the interval with a higher temperature difference had a greater impact on the performance of the mastic; the sulfoxide index (IS=O) of SBS-modified asphalt mastic increases after thermal–humidity coupling cycles, while the isoprene index (IB) decreases.

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Section: The Force-displacement Curves For Sbs-modified Asphalt Masti...mentioning

confidence: 99%

The Effect of the Temperature–Humidity Coupling Cycle on the Performance of Styrene Butadiene Styrene Polymer-Modified Asphalt Mastic

Ma,

Su,

Tan

et al. 2024

Applied Sciences

View full text Add to dashboard Cite

show abstract

Spatial evolution characteristics of asphalt surface structure and its influence on surface interaction properties

Yu,

Zhang,

et al. 2024

Construction and Building Materials

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Characteristics and evolution mechanism of creep properties for asphalt binder/mastic under salt-erosion conditions

Cheng,

Liang,

Wang

et al. 2024

Construction and Building Materials

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Research on surface morphology characteristics and micro-damage mechanism of asphalt mastic based on charge transfer principle

Cited by 6 publications

References 52 publications

The Effect of the Temperature–Humidity Coupling Cycle on the Performance of Styrene Butadiene Styrene Polymer-Modified Asphalt Mastic

The Effect of the Temperature–Humidity Coupling Cycle on the Performance of Styrene Butadiene Styrene Polymer-Modified Asphalt Mastic

Spatial evolution characteristics of asphalt surface structure and its influence on surface interaction properties

Characteristics and evolution mechanism of creep properties for asphalt binder/mastic under salt-erosion conditions

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