2014
DOI: 10.1007/s10853-014-8568-6
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Dynamic X-ray radiography for the determination of foamed bitumen bubble area distribution

Abstract: Foam bitumen is highly efficient in wetting and coating the surface of mineral aggregate at lower temperature. In order to improve understanding and characterization of the bitumen foam, X-ray radiography was used to study the formation and decay of bitumen foam in 2D representation. Image segmentation analysis was used to determine the foam bubble size distribution. In addition, the main parameters influencing foam bitumen formation, water content, and temperature were also investigated. The results demonstra… Show more

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Cited by 7 publications
(4 citation statements)
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“…grade) as well as bitumen origin, which can influence the surface tension, has influence on the bubble size distribution [14,18].…”
Section: Experimental Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…grade) as well as bitumen origin, which can influence the surface tension, has influence on the bubble size distribution [14,18].…”
Section: Experimental Methodsmentioning
confidence: 99%
“…Adding water causes coalescence of bubbles that improves the compaction of the asphalt mixture [17]. 4 The viscosity of the bitumen has major influence on the bubble size distribution, which depends on the penetration grading of the bitumen and origin of the bitumen [18].…”
Section: Introductionmentioning
confidence: 99%
“…Así lo han reconocido diferentes investigadores, quienes usando métodos analíticos (p. ej., la ley de Stokes) y herramientas tecnológicas, como rayos X, calorimetría de barrido diferencial, microscopios de baja potencia y principalmente cámaras de video, han medido la BSD y su variación en el tiempo, y evaluado el efecto de factores como el tipo de asfalto, la temperatura, la FWC y los aditivos sobre esta propiedad y, por consiguiente, sobre la calidad de la espuma [7,[14][15][16][17][18][19][20].…”
Section: Distribución Del Tamaño De Burbujasunclassified
“…In order to increase the stability (measured by the half-life) of the foamed bitumen, a specific additive, already tested by other authors like Hailesilassie et al (2015), was used. The air pressure was maintained at 5.5 bar (default value), the percentage of water used was 3 % (by mass of bitumen) and the bitumen temperature was 150 °C.…”
Section: Foamed Bitumen Production Processmentioning
confidence: 99%