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Author:

Miao, Yinghao (Miao, Yinghao.) | Wang, Sudi (Wang, Sudi.) | Guo, Liyan (Guo, Liyan.) | Zheng, Xiaoheng (Zheng, Xiaoheng.) | Huang, Yucheng (Huang, Yucheng.) | Wang, Linbing (Wang, Linbing.)

Indexed by:

EI Scopus SCIE

Abstract:

The impact of temperature on the deformation properties of the unbound granular materials (UGMs) blended with reclaimed asphalt pavement (RAP) and virgin aggregates was investigated based on the single-stage repeated load triaxial (RLT) tests. Three types of the UGMs containing RAP (RAP-UGMs) as well as the UGMs of neat virgin aggregates (VA-UGMs) were tested at the temperatures of 40 degrees C, 22 degrees C, and 5 degrees C. Then, the permanent strain and resilient strain of the UGMs with and without RAP at different temperatures were fitted using the Tseng-Lytton model and a model proposed in this paper respectively. It was found that the rutting potential of UGMs can be lowered to some extent by using fine RAP in an appropriate amount which could be attributed to the enhancement of cohesion due to the presence of asphalt in the fine particles. Generally, the addition of fine RAP has small effect on the stable resilient strain of UGM. The rutting potential of both RAP-UGMs and VA-UGMs is significantly sensitive to temperature. To some extent, that of the VA-UGMs is slightly more sensitive than that of the UGMs containing fine RAP. However, the stable resilient strain of all the UGMs is almost not impacted by temperature. (C) 2018 Elsevier Ltd. All rights reserved.

Keyword:

Permanent deformation Unbound granular material Resilient deformation RAP

Author Community:

  • [ 1 ] [Miao, Yinghao]Beijing Univ Technol, Beijing Key Lab Transportat Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 2 ] [Wang, Sudi]Beijing Univ Technol, Beijing Key Lab Transportat Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 3 ] [Guo, Liyan]Beijing Univ Technol, Beijing Key Lab Transportat Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 4 ] [Zheng, Xiaoheng]Beijing Univ Technol, Beijing Key Lab Transportat Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 5 ] [Huang, Yucheng]Virginia Polytech Inst & State Univ, Dept Civil & Environm Engn, Blacksburg, VA 24061 USA
  • [ 6 ] [Wang, Linbing]Virginia Polytech Inst & State Univ, Dept Civil & Environm Engn, Blacksburg, VA 24061 USA

Reprint Author's Address:

  • [Miao, Yinghao]Beijing Univ Technol, Beijing Key Lab Transportat Engn, 100 Pingleyuan, Beijing 100124, Peoples R China

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Source :

CONSTRUCTION AND BUILDING MATERIALS

ISSN: 0950-0618

Year: 2018

Volume: 169

Page: 443-451

7 . 4 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:260

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 9

SCOPUS Cited Count: 9

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 12

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