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author:

Zou, Guilian (Zou, Guilian.) [1] | Chen, Qi (Chen, Qi.) [2] | Jiao, Youqing (Jiao, Youqing.) [3] | Yuan, Yan (Yuan, Yan.) [4] (Scholars:袁燕) | Zhang, Yuan (Zhang, Yuan.) [5] | Yu, Jiangmiao (Yu, Jiangmiao.) [6]

Indexed by:

EI Scopus SCIE

Abstract:

Snow and ice on the pavement surfaces in winter seriously threaten the traffic safety. This study prepared high-elastic/salt-storage (HESS) asphalt mixtures containing rubber particles (RP) and self-developed salt-storage fillers to improve deicing performance in various aspects. Specifically, the RP was incorporated into the asphalt mixture by replacing 1 %, 2 %, and 3 % of fine aggregate by mass and the self-developed salt-storage filler was incorporated into the asphalt mixture to replace 25 %, 50 %, and 75 % of the mineral filler by equal volume. Hydrated lime was used as a mineral filler to enhance the asphalt mixtures' water damage resistance. The pavement performance of HESS asphalt mixtures was first studied. The pull-out and fall ball impact tests were designed to investigate the composite deicing effect of RP and salt-storage filler on the asphalt mixtures. A self-designed rainfall simulation test was used to assess the long-term deicing performance of HESS asphalt mixtures. Results showed that the incorporation of RP improves the high-temperature stability and low-temperature crack resistance of the mixtures, but negatively affects their water damage resistance. The RP content should not exceed 3 % to guarantee water damage resistance. Due to combining effects RP and salt-storage fillers, the deicing performance of HESS asphalt mixtures has been improved by 15.9 % and 10.6 % as compared to the addition of RP and salt-storage fillers separately. It is recommended to replace the fine aggregates with the RP at content of 1.5-3 % by mass and 60-75 % mineral filler with the salt-storage filler by volume.

Keyword:

Deicing performance High-elastic/salt-storage asphalt mixture Long-term deicing performance Rubber particle Salt-storage filler

Community:

  • [ 1 ] [Zou, Guilian]South China Univ Technol, Sch Civil Engn & Transportat, Guangzhou, Peoples R China
  • [ 2 ] [Chen, Qi]South China Univ Technol, Sch Civil Engn & Transportat, Guangzhou, Peoples R China
  • [ 3 ] [Jiao, Youqing]South China Univ Technol, Sch Civil Engn & Transportat, Guangzhou, Peoples R China
  • [ 4 ] [Zhang, Yuan]South China Univ Technol, Sch Civil Engn & Transportat, Guangzhou, Peoples R China
  • [ 5 ] [Yu, Jiangmiao]South China Univ Technol, Sch Civil Engn & Transportat, Guangzhou, Peoples R China
  • [ 6 ] [Yuan, Yan]Fuzhou Univ, Coll Civil Engn, Fuzhou, Peoples R China
  • [ 7 ] [Zhang, Yuan]South China Univ Technol, State Key Lab Subtrop Bldg & Urban Sci, Guangzhou, Peoples R China
  • [ 8 ] [Yu, Jiangmiao]South China Univ Technol, State Key Lab Subtrop Bldg & Urban Sci, Guangzhou, Peoples R China
  • [ 9 ] [Yu, Jiangmiao]Cent Fortune Creat Technol Grp Co Ltd, Foshan 528200, Peoples R China

Reprint 's Address:

  • [Zhang, Yuan]South China Univ Technol, Sch Civil Engn & Transportat, Guangzhou, Peoples R China;;

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Source :

CONSTRUCTION AND BUILDING MATERIALS

ISSN: 0950-0618

Year: 2024

Volume: 449

7 . 4 0 0

JCR@2023

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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