Catalyst Regeneration of RAP-Binder in Asphalt

Spivak, David A; Balamurugan, Subramanian; Louisiana State University. Agriculture and Mechanical College

doi:10.5281/zenodo.6465408

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Catalyst Regeneration of RAP-Binder in Asphalt

2021-12-01
Datasets Available
By Spivak, David A ; Balamurugan, Subramanian

[PDF-1.17 MB]

English

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Creators:

Spivak, David A ; Balamurugan, Subramanian

Spivak, David A ; Balamurugan, Subramanian Less -
Corporate Creators:

Louisiana State University. Agriculture and Mechanical College
Corporate Contributors:

United States. Department of Transportation. University Transportation Centers (UTC) Program ; Transportation Consortium of South-Central States (Tran-SET) University Transportation Center for Region 6 ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology

United States. Department of Transportation. University Transportation Centers (UTC) Program ; Transportation Consortium of South-Central States (Tran-SET) University Transportation Center for Region 6 ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology Less -
Subject/TRT Terms:

[+]

Asphalt Mixtures Binder Content Catalysts Deaggregation Iron Chloride Paving Materials Reclaimed Asphalt Pavements
Publication/ Report Number:

20BLSU19
DOI:

https://doi.org/10.5281/zenodo.6465408
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final Research Report, Aug. 2020 – Aug. 2021
Corporate Publisher:

Transportation Consortium of South-Central States
Abstract:

Reclaimed Asphalt Pavement (RAP) binders are difficult to reuse because they often contain associated/aggregated molecules with very high molecular weights. This is due to the polarity gained during oxidative aging, causing the aggregation to occur. These high molecular weight components are responsible for RAP binder’s increased viscosity and certain deteriorated rheological properties. One strategy to reuse RAP binder is to mix it with virgin asphalt binder and use this partially recycled mixture in asphalt. The RAP binder is usually improved before mixing by the addition of rejuvenators, softening agents, softer binders, and antioxidants to the asphalt binder mix to rebalance their rheological properties.
Format:

PDF
Funding:

AM200204, 69A3551747106
Collection(s):

University Transportation Centers
Main Document Checksum:

[+]

urn:sha256:0f94d2277b085fdc236c81a16fc50f5c9a5ac87a57fcf8f9ecacd3f5413354bf
Download URL:

https://rosap.ntl.bts.gov/view/dot/61734/dot_61734_DS1.pdf
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Catalyst Regeneration of RAP-Binder in Asphalt

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