Characterization of Bitumen Extracted from used Asphalt Pavement

2011 ◽  
Vol 7 (2) ◽  
Author(s):  
Williams Kehinde Kupolati ◽  
Oluwole Akinyele Agbede
Keyword(s):  
Asphalt Pavement

scholarly journals Evaluation of Short-Term Aging Protocol for Asphalt Mixtures

2019 ◽  
Vol 9 (14) ◽  
pp. 2783 ◽  
Author(s):  
Sirin ◽  
Paul ◽  
Kassem ◽  
Ohiduzzaman
Keyword(s):  
Mechanical Properties ◽  
Asphalt Pavement ◽  
Road Construction ◽  
Asphalt Mixtures ◽  
Pavement Performance ◽  
Design Stage ◽  
Construction Site ◽  
Short Term ◽  
Compaction Processes

Asphalt mixtures are subjected to short-term aging during the production, placement, and compaction processes. Proper evaluation of asphalt pavement performance relies on the accurate characterization of asphalt mixtures during the design stage. In this study, three different loose asphalt mixtures often used in Qatar were evaluated to develop a laboratory short-term aging procedure. Sample mixtures 1 and 3 were collected from a construction site, while mixture 2 was obtained from an asphalt plant. Virgin aggregates and binders were also collected to reproduce the mixtures in the laboratory. Laboratory-produced mixtures were conditioned at 135 °C using various time durations. The mechanical properties of laboratory-produced mixtures were compared to those of mixtures produced on site. The results of the mechanical and binder testing demonstrated that the proper short-term aging protocol for asphalt mixtures often used in road construction in the State of Qatar would involve heating asphalt mixtures for 4 h at 135 °C before laboratory compaction.

Performance Characterization of Warm-Mix Asphalt Containing High Reclaimed-Asphalt Pavement with Bio-Oil Rejuvenator

2020 ◽  
Vol 32 (12) ◽  
pp. 04020382
Author(s):  
Ali Foroutan Mirhosseini ◽  
Amid Tahami ◽  
Inge Hoff ◽  
Samer Dessouky ◽  
Amir Kavussi ◽  
...  
Keyword(s):  
Asphalt Pavement ◽  
Warm Mix Asphalt ◽  
Reclaimed Asphalt Pavement ◽  
Performance Characterization ◽  
Reclaimed Asphalt ◽  
Bio Oil

Mechanistic-Empirical Characterization of Bonding Between Ultra-Thin White-Topping and Asphalt Pavement

2004 ◽  
Vol 32 (4) ◽  
pp. 11776 ◽  
Author(s):  
S Li ◽  
Y Li ◽  
G Way ◽  
S Noureldin
Keyword(s):  
Asphalt Pavement

Machine vision based characterization of particle shape and asphalt coating in Reclaimed Asphalt Pavement

2016 ◽  
Vol 6 ◽  
pp. 26-37 ◽  
Author(s):  
Maziar Moaveni ◽  
Sedat Cetin ◽  
Alexander S. Brand ◽  
Sachindra Dahal ◽  
Jeffery R. Roesler ◽  
...  
Keyword(s):  
Machine Vision ◽  
Particle Shape ◽  
Asphalt Pavement ◽  
Reclaimed Asphalt Pavement ◽  
Reclaimed Asphalt

scholarly journals Characterization of Classified Indian Reclaimed Asphalt Pavement (RAP): Aggregate Impact Value and Aggregate Abrasion Value of Rap Aggregates

2020 ◽  
Vol 9 (3) ◽  
pp. 3913-3921
Keyword(s):  
Asphalt Pavement ◽  
Flexible Pavement ◽  
Reclaimed Asphalt Pavement ◽  
Reclaimed Asphalt ◽  
The Road ◽  
Different Characteristics ◽  
Aggregate Impact Value ◽  
Pavement Material ◽  
Bituminous Concrete

Reuse of existing deteriorated bituminous pavement material in construction and maintenance of flexible pavement is called recycling of bituminous pavement. Removed and reprocessed deteriorated pavement material which is recycled is termed as Reclaimed asphalt pavement (RAP). In India during construction of flexible pavement different types of bituminous layers are in practice depending upon CBR of sub-grade and traffic count i.e. CVPD of the road stretch. Depending upon types of bituminous layer i.e. PC Seal Coat, Bituminous Macadam(BM), Dense grade bituminous Macadam (DBM), Semi Dense Bituminous Concrete (SDBC) or Bituminous Concrete(BC) Reclaimed Asphalt Pavement can classified in different groups These classified RAP groups materials will have different characteristics i.e. Rap aggregates and Recovered bitumen of different group of RAP will have different characteristics. In this study characterization of RAP limited to Aggregate Impact Value (AIV) and Aggregate Abrasion Value (AAV)of RAP aggregates of RAP classified in different groups. Results of this study will be compared to standard value of AIV and AAV required for bituminous construction to predict that RAP aggregates are suitable or not for use in bituminous mixes.

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