A new comprehensive analysis framework for fatigue characterization of asphalt binder using the Linear Amplitude Sweep test

被引：71

作者：

Cao, Wei ^{[1
]}

Wang, Chao ^{[2
]}

机构：

[1] Louisiana State Univ, Dept Civil & Environm Engn, 4101 Gourrier Ave, Baton Rouge, LA 70820 USA

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

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2018年 / 171卷

关键词：

Fatigue resistance; Viscoelastic continuum damage; Failure definition; Failure criterion; Linear Amplitude Sweep; Time Sweep; CONTINUUM DAMAGE MODEL; VISCOELASTIC MEDIA; MIXTURES; PERFORMANCE; THIXOTROPY; BEHAVIOR; FRACTURE;

D O I：

10.1016/j.conbuildmat.2018.03.125

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The Linear Amplitude Sweep (LAS) test has become an efficient tool to characterize fatigue resistance of asphalt binders. The existing analysis scheme for this test based on the linear viscoelastic continuum damage (VECD) theory was critically reviewed. Based on the rigorous VECD formulation and experimental evidences, a new comprehensive analysis framework was developed which includes damage characteristic relationship, failure definition, and failure criterion. Compared to the existing approach, the proposed framework provided a more reasonable agreement with experimental observations on fatigue life and a more reliable mathematical description of fatigue failure, and was also capable of unifying both LAS and Time Sweep fatigue tests. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：1 / 12

页数：12

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