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作者:

Wang, Decai (Wang, Decai.) | Yao, Hui (Yao, Hui.) | Yue, Jinchao (Yue, Jinchao.) | Hu, Shengneng (Hu, Shengneng.) | Liu, Junfu (Liu, Junfu.) | Xu, Mei (Xu, Mei.) | Chen, Siyu (Chen, Siyu.)

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EI Scopus SCIE

摘要:

The objective of this study is to investigate the compaction characteristics of cold recycled mixtures with asphalt emulsion (CRME) using the Superpave gyratory compactor (SGC) method. Five characteristic parameters were proposed and calculated including the compaction energy index, the compaction energy index, three compaction energy indicators at different compaction stages. The influence of these parameters and material compositions were analyzed for the pavement performance. The difference between SGC and Marshall double-sided compaction/heavy compaction method was compared. The results show that the proposed parameters can better reflect the compaction characteristics of CRME, and the mixture effect with SGC of 50 gyrations was close to that with 75 blows using the Marshall compaction. The asphalt emulsion contents and compaction temperatures had a significant effect on compaction characteristics, but the effect of aggregate gradations was not significant. The appropriate asphalt emulsion and the new aggregate content can increase the capability of the CRME to resist the permanent deformation. The optimum mixing water content of CRME obtained by the SGC method was reduced by 18%, but the density increased by 3.5%, compared with the heavy compaction method. Finally, a new idea to determine the optimum emulsified asphalt content of CRME was provided through analyzing the compaction characteristic parameters.

关键词:

gyratory compaction compaction temperatures cold recycled mixture with asphalt emulsion pavement engineering compaction characteristic parameters

作者机构:

  • [ 1 ] [Wang, Decai]North China Univ Water Resources & Elect Power, Sch Civil Engn & Commun, Dept Transportat, Zhengzhou, Peoples R China
  • [ 2 ] [Hu, Shengneng]North China Univ Water Resources & Elect Power, Sch Civil Engn & Commun, Dept Transportat, Zhengzhou, Peoples R China
  • [ 3 ] [Wang, Decai]Zhengzhou Univ, Sch Water Conservancy & Environm, Dept Transportat, Zhengzhou, Peoples R China
  • [ 4 ] [Yue, Jinchao]Zhengzhou Univ, Sch Water Conservancy & Environm, Dept Transportat, Zhengzhou, Peoples R China
  • [ 5 ] [Yao, Hui]Beijing Univ Technol, Coll Metropolitan Transportat, Beijing Key Lab Traff Engn, Beijing, Peoples R China
  • [ 6 ] [Liu, Junfu]Beijing Univ Technol, Coll Metropolitan Transportat, Beijing Key Lab Traff Engn, Beijing, Peoples R China
  • [ 7 ] [Xu, Mei]Beijing Univ Technol, Coll Metropolitan Transportat, Beijing Key Lab Traff Engn, Beijing, Peoples R China
  • [ 8 ] [Chen, Siyu]Michigan Technol Univ, Dept Civil & Environm Engn, Houghton, MI 49931 USA

通讯作者信息:

  • [Yao, Hui]Beijing Univ Technol, Coll Metropolitan Transportat, Beijing Key Lab Traff Engn, Beijing, Peoples R China

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来源 :

FRONTIERS IN MATERIALS

ISSN: 2296-8016

年份: 2021

卷: 8

3 . 2 0 0

JCR@2022

JCR分区:2

被引次数:

WoS核心集被引频次: 3

SCOPUS被引频次: 4

ESI高被引论文在榜: 0 展开所有

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