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作者:

Wang, Chao (Wang, Chao.) (学者:王超) | Castrorena, Cassie (Castrorena, Cassie.) | Zhang, Jinxi (Zhang, Jinxi.) (学者:张金喜) | Kim, Y. Richard (Kim, Y. Richard.)

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Scopus SCIE

摘要:

The linear amplitude sweep (LAS) test has been proposed for fatigue specifications of asphalt binders. Recently, a newly developed fatigue failure definition and energy-based failure criterion have been proposed for improving the LAS procedure and data interpreting; however, these improvements only affect LAS data conducted at a constant temperature. This paper, therefore, discusses the loading temperature effects on LAS-based binder fatigue, damage evolution, and final fatigue failure occurrence. Experimental results indicate that both damage characteristic curves (DCCs) and the failure criterion derived from the simplified-viscoelastic continuum damage (S-VECD) model are strongly affected by the testing temperature. However, the temperature shift factors determined from the dynamic shear modulus testing within the linear viscoelastic domain have been proven to be effective in eliminating the temperature influence for both fatigue DCCs and the failure criterion. The validation on binder phase demonstrates that the time-temperature superposition principle (TTSP) shift factor is only a function of temperature and is independent of strain level. TTSP application on both undamaged and damaged material behaviors is able to greatly improve the testing efficiency of the LAS-based binder fatigue characterization. (C) 2016 American Society of Civil Engineers.

关键词:

Failure criterion Fatigue damage Asphalt binder Time-temperature superposition principle

作者机构:

  • [ 1 ] [Wang, Chao]Beijing Univ Technol, Dept Rd & Railway Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Zhang, Jinxi]Beijing Univ Technol, Dept Rd & Railway Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Castrorena, Cassie]North Carolina State Univ, Dept Civil Construct & Environm Engn, Raleigh, NC 27695 USA
  • [ 4 ] [Kim, Y. Richard]North Carolina State Univ, Dept Civil Construct & Environm Engn, Raleigh, NC 27695 USA

通讯作者信息:

  • 王超

    [Wang, Chao]Beijing Univ Technol, Dept Rd & Railway Engn, Beijing 100124, Peoples R China

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来源 :

JOURNAL OF MATERIALS IN CIVIL ENGINEERING

ISSN: 0899-1561

年份: 2017

期: 1

卷: 29

3 . 2 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:165

中科院分区:3

被引次数:

WoS核心集被引频次: 27

SCOPUS被引频次: 26

ESI高被引论文在榜: 0 展开所有

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