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Effect of ultraviolet aging on dynamic mechanical properties of SBS modified asphalt mortar

, 2021
Many in-door ultraviolet (UV) aging tests have been conducted on the performance of asphalt mixture, however, there is still lack of guidance for the determination of UV intensity and radiation time for proper simulation of field long-term aging.
Huanan Yu   +5 more
semanticscholar   +1 more source

Effect of aging and rejuvenation on adhesion properties of modified asphalt binder based on AFM

Journal of Microscopy, 2021
The adhesion between asphalt binder and aggregate is very important to the performance and durability of asphalt pavement. In order to explore the characterisation of modified asphalt binder in microstructure during aging and rejuvenation, the virgin ...
M. Guo   +5 more
semanticscholar   +1 more source

Memory functions in polymer modified asphalts

Journal of Applied Polymer Science, 2007
AbstractThe viscoelastic nonlinear behavior of several base and polymer modified asphalts (PMA) has been studied in step‐strain experiments. The polymers were poly(styrene‐b‐butadiene‐b‐styrene), poly(styrene‐b‐ethylene‐co‐butylene‐b‐styrene), poly(ethylene‐r‐vinylacetate) copolymers, and a linear low density poly(ethylene), which were chosen as ...
POLACCO, GIOVANNI   +5 more
openaire   +2 more sources

Temporary networks in polymer‐modified asphalts

Polymer Engineering & Science, 2004
Abstract The viscosity functions of several polymer‐modified asphalts (PMAs) were studied at different temperatures in steady‐state rate sweep tests. The materials were obtained by mixing different base asphalts with either styrene‐butadiene‐styrene (SBS), ethylene‐vinylacetate (EVA) or reactive ethylene terpolymers (RET).
POLACCO, GIOVANNI   +4 more
openaire   +2 more sources

An examination of natural rubber modified asphalt: Effects of rubber latex contents based on macro- and micro-observation analyses

, 2021
At present, relatively no reliable conclusion regarding an optimum natural rubber content based on the theoretical and fundamental approach to understanding up to the micro-scale of chemical and mechanical interactions in the natural rubber-asphalt ...
P. Jitsangiam   +4 more
semanticscholar   +1 more source

Viscosity function in polymer-modified asphalts

Journal of Colloid and Interface Science, 2003
Asphalt is a multidisperse micellar system with rheological behavior resembling that of a low-molecular-weight polymer. Nowadays, asphalt is frequently modified by blending it with various polymers. Such modified asphalt has rheological properties that differ from the properties of the base asphalt.
J, Stastna, L, Zanzotto, O J, Vacin
openaire   +2 more sources

Evaluation of microstructural features of Buton rock asphalt components and rheological properties of pure natural asphalt modified asphalt

, 2021
Buton rock asphalt (BRA) is a natural asphalt composed of pure natural asphalt (PNA) and BRA minerals. This study observed the microstructures of BRA components by atomic force microscopy (AFM) and scanning electron microscopy (SEM) and evaluated the ...
Ming Wang, C. Xing
semanticscholar   +1 more source

Bio-Renewable Asphalt Modifiers and Asphalt Substitutes

2011
The global asphalt market is to reach 118.4 million metric tons by 2015, according to a January 2011 report by Global Industry Analysis, Inc. The asphalt paving industry accounts for the largest end-use market segment of asphalt. With increasing growth in the developing markets of China, India, Brazil, and Eastern Europe, asphalt will be needed to ...
Joana Peralta   +3 more
openaire   +1 more source

Characterisation of rejuvenation of various modified asphalt binders based on simplified chromatographic techniques

International Journal of Pavement Engineering, 2021
The use of reclaimed asphalt pavement (RAP) is believed to contribute significantly towards overall energy conservation and environmental protection efforts.
Meng Guo   +4 more
semanticscholar   +1 more source

Performance of SBS modifier-crumb rubber composite modified asphalt used as an anti-wear layer of perpetual pavement

International Journal of Pavement Engineering, 2021
Perpetual pavement has become an important research area of highway development in China. Ensuring the durability of materials is an essential measure to achieve the goal of perpetual pavement construction.
Zhihao Yang   +5 more
semanticscholar   +1 more source

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