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Analysis of base bitumen chemical composition and aging behaviors via atomic force microscopy-based infrared spectroscopy

, 2020
Conventional atomic force microscopy (AFM) can only capture the surface microstructure and nanomechanical properties of bitumen. As such, AFM cannot directly analyze chemical composition and changes of the surface at the nanoscale.
C. Xing, Li-Ping Liu, Yi Cui, Ding Ding
semanticscholar   +1 more source

Molecular dynamics simulation of the bitumen-aggregate system and the effect of simulation details

, 2021
The bitumen-aggregate interface is regarded as a significant weak link in asphalt mixtures. Therefore, the fundamental understanding of adhesion between bitumen and aggregate is crucial for designing and preserving asphalt pavement. By far, the molecular
Xinyuan Ma   +4 more
semanticscholar   +1 more source

Investigation of physicochemical and rheological properties of SARA components separated from bitumen

Construction and Building Materials, 2020
To further understand the aging and regeneration of bitumen at component level, physicochemical and rheological properties of bituminous components were investigated.
Chao Yang   +7 more
semanticscholar   +1 more source

Chemical and rheological characteristics of rejuvenated bitumen with typical rejuvenators

, 2021
In recent years, reclaimed asphalt pavement (RAP) is widely used in pavement construction because of its merits on both economic and environmental aspects. The use of RAP contributes to significant reduction on resource consumption, construction emission
Wen-Tong Huang   +7 more
semanticscholar   +1 more source

Utilizing of waste polymer modified bitumen in combination with rejuvenator in high reclaimed asphalt pavement mixtures

, 2020
Rejuvenating agents have been used to restore physical-rheological properties of reclaimed asphalt binder (RAB) and improve cracking resistance of asphalt mixtures containing the reclaimed asphalt pavement (RAP).
D. Daryaee, M. Ameri, A. Mansourkhaki
semanticscholar   +1 more source

Treatment of bitumen burns

Annals of Emergency Medicine, 1982
To the Editor: Burns due to contact with hot pitch and tar are one of the five safety problems which account for 62% of all injury cases and 76% of all Worker's Compensation costs of the roofing and sheet metal industry. 1 Sixteen percent of all accidents involving roofers and sheet metal workers are due to burns from hot materials, and 17% of those ...
B A, Pruitt, R F, Edlich
openaire   +3 more sources

Aging effects on the composition and thermal properties of styrene-butadiene-styrene (SBS) modified bitumen

, 2020
The effect of shear rate and mixing time on the composition and thermal properties of unaged and aged bitumen and, SBS modified bitumen was studied using a combination of Fourier Transform Infrared (FTIR) spectroscopy, Modulated Differential Scanning ...
Derya Kaya   +3 more
semanticscholar   +1 more source

Analysis of rheological properties and aging mechanism of bitumen after short-term and long-term aging

, 2020
Bitumen aging is one of the main causes of pavement performance deterioration. It is of great significance to clarify the impacts of different aging degrees on bitumen performance, molecular composition, and components for the laboratory simulation of ...
Wei Jiang   +6 more
semanticscholar   +1 more source

Effect of ageing process on bitumen and rejuvenated bitumen

Construction and Building Materials, 2017
Abstract In the last few decades, highway agencies and the paving companies have invested huge efforts on increasing the amount of reclaimed asphalt (RA) to be introduced in the production of new asphalt concrete (AC). This technique, so-called hot recycling of RA, offers several economical and environmental advantages tightly related to the ...
Grilli A, Iorio Gnisci M, Bocci M
openaire   +2 more sources

Properties of Polymer Modified Bitumen after Rubber-Bitumen Interaction

Journal of Materials in Civil Engineering, 2002
This paper describes results from a laboratory investigation into the effects of the interaction between a styrene-butadiene-styrene (SBS) modified bitumen and recycled crumb rubber on the mechanical performance of impact absorbing asphalt (IAA), an asphaltic material that has applications as a sports and safety surface.
Airey, G. D.   +2 more
openaire   +2 more sources

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