Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/66048
Title: Early-age strength and long-term performance of asphalt emulsion cold recycled mixes with various cement contents
Authors: Yan, J
Leng, Z
Li, F
Zhu, H
Bao, S
Keywords: Asphalt emulsion
Cohesive force
Cold recycling
Failure strain
Raveling loss rate
Reclaimed asphalt pavement
Issue Date: 2017
Publisher: Elsevier
Source: Construction and building materials, 2017, v. 137, p. 153-159 How to cite?
Journal: Construction and building materials 
Abstract: Cold recycling with asphalt emulsion is an economical and environment-friendly technology for asphalt pavement maintenance and rehabilitation. This study aims to investigate the early-age strength and long-term performance of the asphalt emulsion cold recycled mixes with various cement contents, as well as the correlation between the early-strength and long-term performance. To achieve this objective, three research tasks were conducted, including: 1) quantifying the early-age strength of four types of asphalt emulsion cold recycled mixes by measuring their cohesive forces and raveling loss rates through the Hveem cohesion test and raveling test, respectively; 2) characterizing their long-term performance properties, including moisture stability, high-temperature stability, and low-temperature cracking resistance; and 3) developing the correlation models between the early-age strength and long-term performance of asphalt emulsion cold recycled mixes through regression analysis. It was concluded that adding cement in cold recycled mixes played positive effects on both its early-age strength and long-term performance. In addition, strong linear correlation was found between the early-age strength and long-term performance of asphalt emulsion cold recycled mixes.
URI: http://hdl.handle.net/10397/66048
ISSN: 0950-0618
DOI: 10.1016/j.conbuildmat.2017.01.114
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