Development of Test Procedures to Evaluate Moisture Susceptibility of Asphalt Mixtures Used in the State of Kansas, Phase I: Surface Free Energy of Binders [Technical Summary]

Verma, Payal; Darabi, Masoud K; University of Kansas. Dept. of Civil, Environmental and Architectural Engineering

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Development of Test Procedures to Evaluate Moisture Susceptibility of Asphalt Mixtures Used in the State of Kansas, Phase I: Surface Free Energy of Binders [Technical Summary]

2024-10-01
By Verma, Payal ; Darabi, Masoud K

[PDF-249.96 KB]

English

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Creators:

Verma, Payal ; Darabi, Masoud K

Verma, Payal ; Darabi, Masoud K Less -
Corporate Creators:

University of Kansas. Dept. of Civil, Environmental and Architectural Engineering
Corporate Contributors:

Kansas. Department of Transportation
Subject/TRT Terms:

[+]

Asphalt Mixtures Binders Moisture Content Test Procedures
Publication/ Report Number:

KS-24-06
Resource Type:

Brief
Geographical Coverage:

Kansas ; United States

Kansas ; United States Less -
Edition:

Technical Summary
Corporate Publisher:

Kansas. Department of Transportation
Abstract:

The surface free energy of an asphalt binder and aggregate is essential for determining the moisture susceptibility of asphalt mixtures. This project proposed an efficient method to routinely measure the surface energies of asphalt binders and aggregates to help design asphalt mixtures that are increasingly resistant to moisture damage. Surface energies of these materials can be used to calculate the energy-based parameter (ER) of asphalt binder-aggregate combinations to identify moisture resistance levels. Due to variability in the results, at least four probe liquids should be used in the future to enhance calculation accuracy. In addition, future tests should be conducted in a controlled environment that limits significant temperature change. Results from this analysis could be used to select test methods and mathematical models that relate surface energy to the performance of asphalt mixtures.
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PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

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urn:sha-512:4fe08ba7db9573e3957b9e176bf4aa63fa4bb9b0859318375cb2b477c63edf158aeae479e4e9dc333fccde616b1566eca75240cb5caf72f1cc4b012ce71b38d0
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https://rosap.ntl.bts.gov/view/dot/78037/dot_78037_DS1.pdf
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Development of Test Procedures to Evaluate Moisture Susceptibility of Asphalt Mixtures Used in the State of Kansas, Phase I: Surface Free Energy of Binders [Technical Summary]

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