A Research on Fatigue Damage Constitutive Equation of Asphalt Mixture
Joint Authors
Sun, Yazhen
Wang, Jinchang
Fang, Chenze
Yuan, Xuezhong
Fan, Dong
Source
Mathematical Problems in Engineering
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-13, 13 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-07-25
Country of Publication
Egypt
No. of Pages
13
Main Subjects
Abstract EN
The laboratory investigations of fatigue damage constitutive equation of asphalt mixture were carried out by three-point bending fatigue tests.
The three-point bending fatigue tests were performed at three levels of stress-strength ratio (SSR), temperature, and loading rate.
The coupled multifactor (stress-strength ratio, temperature, and loading rate) fatigue life equation was established, which can well predict the fatigue life of the asphalt mixture.
Both a damage model and a damage evolution equation have been established based on the E-N curve, which indicate that fatigue damage evolution is nonlinear and consists of three stages.
The sensitivity analysis of damage model parameters indicates that each parameter has different effects on the three stages of damage evolution.
Based on the researches above, the fatigue damage constitutive equations were finally built based on the σ-ε curves, which consist of two parts: the damage accumulation stage and the fatigue failure stage.
The elasticity-power hardening model was used to describe the constitutive relation of damage accumulation stage.
The elasticity-power hardening model and the Sidoroff damage model were used to describe the constitutive relation of damage failure stage.
The constitutive equations can well characterize the fatigue damage performance of the asphalt mixtures under cyclic loading.
American Psychological Association (APA)
Sun, Yazhen& Fang, Chenze& Fan, Dong& Wang, Jinchang& Yuan, Xuezhong. 2018. A Research on Fatigue Damage Constitutive Equation of Asphalt Mixture. Mathematical Problems in Engineering،Vol. 2018, no. 2018, pp.1-13.
https://search.emarefa.net/detail/BIM-1206845
Modern Language Association (MLA)
Sun, Yazhen…[et al.]. A Research on Fatigue Damage Constitutive Equation of Asphalt Mixture. Mathematical Problems in Engineering No. 2018 (2018), pp.1-13.
https://search.emarefa.net/detail/BIM-1206845
American Medical Association (AMA)
Sun, Yazhen& Fang, Chenze& Fan, Dong& Wang, Jinchang& Yuan, Xuezhong. A Research on Fatigue Damage Constitutive Equation of Asphalt Mixture. Mathematical Problems in Engineering. 2018. Vol. 2018, no. 2018, pp.1-13.
https://search.emarefa.net/detail/BIM-1206845
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1206845