Evaluation on the diffusion-fusion properties and interfacial mechanical behavior of virgin and aged asphalt

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成果类型：

期刊论文

作者：

Ge, Jinguo;Yu, Huanan;Qian, Guoping;Dai, Wan;Zhang, Chao;...

通讯作者：

Yu, HN

作者机构：

[Dai, Wan; Zhong, Yixiong; Yu, Huanan; Zhang, Chao; Zhou, Hongyu; Qian, Guoping; Ge, Jinguo] Changsha Univ Sci & Technol, Sch Traff & Transportat Engn, Changsha 410114, Peoples R China.

[Yu, Huanan; Qian, Guoping] Xiangjiang Lab, Changsha 410205, Peoples R China.

[Yu, Huanan; Zhou, Hongyu; Qian, Guoping] Natl Engn Res Ctr Highway Maintenance Technol, Changsha 410114, Peoples R China.

[Zhu, Xuan] Hunan City Univ, Sch Civil Engn, Yiyang 413000, Peoples R China.

[Nian, Tengfei] Lanzhou Univ Technol, Sch Civil Engn, Lanzhou 730000, Gansu, Peoples R China.

通讯机构：

[Yu, HN ] C

Changsha Univ Sci & Technol, Sch Traff & Transportat Engn, Changsha 410114, Peoples R China.

语种：

英文

关键词：

Rejuvenated asphalt;Virgin-aged asphalt diffusion;Degree of binder blending(DOB);Interfacial pull-out test;Molecular simulation

期刊：

Journal of Cleaner Production

ISSN：

0959-6526

年：

2024

卷：

477

页码：

143788

DOI：

10.1016/j.jclepro.2024.143788

基金类别：

Major Program of Xiangjiang Laboratory [22XJ01009]; National Natural Science Foundation of China [52078065, 52178414, 52227815, 52008043, 52368066]; Postgraduate Scientific Research Innovation Project of Hunan Province [CX20230848]

机构署名：

本校为其他机构

院系归属：

土木工程学院

摘要：

To investigate the regeneration mechanisms of rejuvenated asphalt mixtures, molecular simulation techniques were employed to research virgin and aged asphalt's fusion characteristics and interface mechanical properties. The blended zone was identified based on relative density distribution, and a molecular-scale calculation method for the Degree of binder Blended (DOB) between virgin and aged asphalt was proposed. Finally, the influence of DOB on the mechanical properties of the asphalt-aggregate interface was evaluated through interface pull-out tests. The results revealed that the proposed m...

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Evaluation on the diffusion-fusion properties and interfacial mechanical behavior of virgin and aged asphalt

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