Evaluation of an eastern shale oil residue as an asphalt additive

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An evaluation of eastern shale oil (ESO) residue as an asphalt additive to reduce oxidative age-hardening and moisture susceptibility was conducted. The ESO residue, having a viscosity of 23.9 Pa{sm_bullet}s at 60{degrees}C (140{degrees}F), was blended with three different petroleum-derived asphalts, AAD-1, AAK-1, and AAM-1, that are known to be very susceptible to oxidative aging. Rheological and infrared analyses of the unaged and aged asphalts and the blends were then conducted to evaluate oxidative age-hardening. In addition, the petroleum-derived asphalts and the blends were coated onto three different aggregates, Lithonia granite (RA), a low-absorption limestone (RD), and a silicious Gulf Coast ... continued below

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32 p.

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Thomas, K.P. & Harnsberger, P.M. December 19, 1995.

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Description

An evaluation of eastern shale oil (ESO) residue as an asphalt additive to reduce oxidative age-hardening and moisture susceptibility was conducted. The ESO residue, having a viscosity of 23.9 Pa{sm_bullet}s at 60{degrees}C (140{degrees}F), was blended with three different petroleum-derived asphalts, AAD-1, AAK-1, and AAM-1, that are known to be very susceptible to oxidative aging. Rheological and infrared analyses of the unaged and aged asphalts and the blends were then conducted to evaluate oxidative age-hardening. In addition, the petroleum-derived asphalts and the blends were coated onto three different aggregates, Lithonia granite (RA), a low-absorption limestone (RD), and a silicious Gulf Coast gravel (RL), and compacted into briquets. Successive freeze-thaw cycling was then conducted to evaluate the moisture susceptibility of the prepared briquets. The abbreviations used above for the asphalts and the aggregates are part of the Strategic Highway Research Program nomenclature.

Physical Description

32 p.

Notes

OSTI as DE97005458

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  • Other Information: PBD: 19 Dec 1995

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  • Other: DE97005458
  • Report No.: DOE/MC/30126--5755
  • Grant Number: FC21-93MC30126
  • DOI: 10.2172/574259 | External Link
  • Office of Scientific & Technical Information Report Number: 574259
  • Archival Resource Key: ark:/67531/metadc692153

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Office of Scientific & Technical Information Technical Reports

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  • December 19, 1995

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 20, 2017, 7:45 p.m.

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Thomas, K.P. & Harnsberger, P.M. Evaluation of an eastern shale oil residue as an asphalt additive, report, December 19, 1995; Laramie, Wyoming. (digital.library.unt.edu/ark:/67531/metadc692153/: accessed September 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.