Quantitative evaluation of low-temperature performance of sustainable asphalt pavements containing recycled asphalt shingles (RAS)

Jacob W. Arnold; Behzad Behnia; Megan E. McGovern; Brain Hill; William G. Buttlar; Henrique Reis

doi:10.1016/j.conbuildmat.2014.02.002

Quantitative evaluation of low-temperature performance of sustainable asphalt pavements containing recycled asphalt shingles (RAS)

Jacob W. Arnold, Behzad Behnia, Megan E. McGovern, Brain Hill, William G. Buttlar, Henrique Reis

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

Abstract

The low-temperature cracking characteristics of asphalt concrete materials containing varying amounts of recycled asphalt shingles (RAS), 0-12.5%, and mixed at three different temperatures are investigated using the Disk-shaped Compact Tension (DC(T)) and acoustic emission (AE) tests. The specimens' AE activities were monitored during cooling from room temperature to -50 C to determine their embrittlement temperatures. It was observed that the mixtures containing RAS had lower DC(T) fracture energies, higher DC(T) peak loads, and warmer embrittlement temperatures than the control mixture. Results also showed that higher mixing temperatures appear to lower embrittlement temperatures for mixtures containing RAS.

Original language	English (US)
Pages (from-to)	1-8
Number of pages	8
Journal	Construction and Building Materials
Volume	58
DOIs	https://doi.org/10.1016/j.conbuildmat.2014.02.002
State	Published - May 15 2014

Keywords

Acoustic emission
Asphalt concrete
DC(T) tests
Embrittlement temperature
Fracture energy
Mixing temperature
Recycled asphalt shingles

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction
General Materials Science

Online availability

10.1016/j.conbuildmat.2014.02.002

Library availability

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title = "Quantitative evaluation of low-temperature performance of sustainable asphalt pavements containing recycled asphalt shingles (RAS)",

abstract = "The low-temperature cracking characteristics of asphalt concrete materials containing varying amounts of recycled asphalt shingles (RAS), 0-12.5%, and mixed at three different temperatures are investigated using the Disk-shaped Compact Tension (DC(T)) and acoustic emission (AE) tests. The specimens' AE activities were monitored during cooling from room temperature to -50 C to determine their embrittlement temperatures. It was observed that the mixtures containing RAS had lower DC(T) fracture energies, higher DC(T) peak loads, and warmer embrittlement temperatures than the control mixture. Results also showed that higher mixing temperatures appear to lower embrittlement temperatures for mixtures containing RAS.",

keywords = "Acoustic emission, Asphalt concrete, DC(T) tests, Embrittlement temperature, Fracture energy, Mixing temperature, Recycled asphalt shingles",

author = "Arnold, {Jacob W.} and Behzad Behnia and McGovern, {Megan E.} and Brain Hill and Buttlar, {William G.} and Henrique Reis",

note = "Funding Information: This work was made possible by the support provided by the National Cooperative Highway Research Program – Ideas Deserving Exploratory Analysis (NCHRP-IDEA) program. Mr. Jacob Arnold is grateful to be the recipient of the Dwight David Eisenhower Graduate Fellowship Program. Any opinions, findings, and conclusions or recommendations expressed in this publication are those of the authors and do not necessarily reflect the views of the sponsoring agency.",

year = "2014",

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doi = "10.1016/j.conbuildmat.2014.02.002",

language = "English (US)",

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journal = "Construction and Building Materials",

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AU - Arnold, Jacob W.

AU - Behnia, Behzad

AU - McGovern, Megan E.

AU - Hill, Brain

AU - Buttlar, William G.

AU - Reis, Henrique

N1 - Funding Information: This work was made possible by the support provided by the National Cooperative Highway Research Program – Ideas Deserving Exploratory Analysis (NCHRP-IDEA) program. Mr. Jacob Arnold is grateful to be the recipient of the Dwight David Eisenhower Graduate Fellowship Program. Any opinions, findings, and conclusions or recommendations expressed in this publication are those of the authors and do not necessarily reflect the views of the sponsoring agency.

PY - 2014/5/15

Y1 - 2014/5/15

N2 - The low-temperature cracking characteristics of asphalt concrete materials containing varying amounts of recycled asphalt shingles (RAS), 0-12.5%, and mixed at three different temperatures are investigated using the Disk-shaped Compact Tension (DC(T)) and acoustic emission (AE) tests. The specimens' AE activities were monitored during cooling from room temperature to -50 C to determine their embrittlement temperatures. It was observed that the mixtures containing RAS had lower DC(T) fracture energies, higher DC(T) peak loads, and warmer embrittlement temperatures than the control mixture. Results also showed that higher mixing temperatures appear to lower embrittlement temperatures for mixtures containing RAS.

AB - The low-temperature cracking characteristics of asphalt concrete materials containing varying amounts of recycled asphalt shingles (RAS), 0-12.5%, and mixed at three different temperatures are investigated using the Disk-shaped Compact Tension (DC(T)) and acoustic emission (AE) tests. The specimens' AE activities were monitored during cooling from room temperature to -50 C to determine their embrittlement temperatures. It was observed that the mixtures containing RAS had lower DC(T) fracture energies, higher DC(T) peak loads, and warmer embrittlement temperatures than the control mixture. Results also showed that higher mixing temperatures appear to lower embrittlement temperatures for mixtures containing RAS.

KW - Acoustic emission

KW - Asphalt concrete

KW - DC(T) tests

KW - Embrittlement temperature

KW - Fracture energy

KW - Mixing temperature

KW - Recycled asphalt shingles

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Quantitative evaluation of low-temperature performance of sustainable asphalt pavements containing recycled asphalt shingles (RAS)

Abstract

Keywords

ASJC Scopus subject areas

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