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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Laboratory characterization of cracking-resistance potential of asphalt mixes using overlay tester
Construction and Building Materials, Volume 70, Year 2014
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Description
In this study, the Overlay Tester (OT) was successfully utilized to comparatively characterize the cracking resistance potential of various hot-mix asphalt (HMA) mixes with different mix-designs and material characteristics in the laboratory, ranging from fine- to coarse-graded mixes. Due partly to their heterogeneous structure and high air void content/variability, the OT test results indicated poor laboratory cracking performance and higher variability for the open- and coarse-graded mixes. Overall, the study findings substantiated the OT's potential to rapidly screen and discriminate between good and poor crack-resistant mixes in the laboratory, with a proposed mix pass-fail screening criteria ranging from 30 to 750 OT load cycles. © 2014 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Li, Jiusu
China, Changsha
Changsha University of Science and Technology
United States, College Station
Texas Transportation Institute
Oh, Jeongho
South Korea, Chungju
Korea National University of Transportation
Naik, Bhaven
United States, Lincoln
University of Nebraska–lincoln
Simate, Geoffrey S.
South Africa, Johannesburg
School of Chemical and Metallurgical Engineering
Walubita, Lubinda F.
United States, College Station
Texas a and M University System
Statistics
Citations: 17
Authors: 5
Affiliations: 6
Identifiers
Doi:
10.1016/j.conbuildmat.2014.07.069
ISSN:
09500618
Research Areas
Environmental