Oxidation hardening kinetics of the rheological function G'/('/G') in asphalts

Pramitha Juristyarini; Richard R. Davison; Charles J. Glover

doi:10.1080/10916461003681760

Oxidation hardening kinetics of the rheological function G'/('/G') in asphalts

Pramitha Juristyarini, Richard R. Davison, Charles J. Glover

Analytical Chemistry Core Laboratory

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

The authors used 9 asphalts oxidized at various temperatures and pressures to determine the hardening kinetics for the DSR function, an easily measured and meaningful surrogate for 15C ductility that relates well to age-related binder deterioration. For each asphalt, there is a rapid initial period that slows to a constant rate period. This constant rate period can be represented by carbonyl formation (oxidation) rate times a hardening susceptibility (HS). For the DSR function and viscosity, the HS and initial jump were pressure-but not temperature-dependent. The DSR function initial jump was relatively higher than the viscosity initial jump. © 2011 Taylor & Francis Group, LLC.

Original language	English (US)
Pages (from-to)	2027-2036
Number of pages	10
Journal	Petroleum Science and Technology
Volume	29
Issue number	19
DOIs	https://doi.org/10.1080/10916461003681760
State	Published - Jul 29 2011

ASJC Scopus subject areas

Geotechnical Engineering and Engineering Geology
Energy Engineering and Power Technology
General Chemical Engineering
General Chemistry
Fuel Technology

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10.1080/10916461003681760

Cite this

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title = "Oxidation hardening kinetics of the rheological function G'/('/G') in asphalts",

abstract = "The authors used 9 asphalts oxidized at various temperatures and pressures to determine the hardening kinetics for the DSR function, an easily measured and meaningful surrogate for 15C ductility that relates well to age-related binder deterioration. For each asphalt, there is a rapid initial period that slows to a constant rate period. This constant rate period can be represented by carbonyl formation (oxidation) rate times a hardening susceptibility (HS). For the DSR function and viscosity, the HS and initial jump were pressure-but not temperature-dependent. The DSR function initial jump was relatively higher than the viscosity initial jump. {\textcopyright} 2011 Taylor & Francis Group, LLC.",

author = "Pramitha Juristyarini and Davison, {Richard R.} and Glover, {Charles J.}",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: Support for this work provided by the Texas Department of Transportation (TxDOT), Mr. Jerry Peterson, Project director, in cooperation with the Federal Highway Administration (FHWA), is greatly appreciate.",

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AU - Juristyarini, Pramitha

AU - Davison, Richard R.

AU - Glover, Charles J.

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PY - 2011/7/29

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N2 - The authors used 9 asphalts oxidized at various temperatures and pressures to determine the hardening kinetics for the DSR function, an easily measured and meaningful surrogate for 15C ductility that relates well to age-related binder deterioration. For each asphalt, there is a rapid initial period that slows to a constant rate period. This constant rate period can be represented by carbonyl formation (oxidation) rate times a hardening susceptibility (HS). For the DSR function and viscosity, the HS and initial jump were pressure-but not temperature-dependent. The DSR function initial jump was relatively higher than the viscosity initial jump. © 2011 Taylor & Francis Group, LLC.

AB - The authors used 9 asphalts oxidized at various temperatures and pressures to determine the hardening kinetics for the DSR function, an easily measured and meaningful surrogate for 15C ductility that relates well to age-related binder deterioration. For each asphalt, there is a rapid initial period that slows to a constant rate period. This constant rate period can be represented by carbonyl formation (oxidation) rate times a hardening susceptibility (HS). For the DSR function and viscosity, the HS and initial jump were pressure-but not temperature-dependent. The DSR function initial jump was relatively higher than the viscosity initial jump. © 2011 Taylor & Francis Group, LLC.

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Oxidation hardening kinetics of the rheological function G'/('/G') in asphalts

Abstract

ASJC Scopus subject areas

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