[1] Yan Tianhao, Huang Xiaoming, Zhang Zhigang, Wang Siqi, et al. Modification of the linear viscoelasticdeformation prediction model of asphalt mixture [J]. Journal of Southeast University (English Edition), 2017, 33 (1): 86-90. [doi:10.3969/j.issn.1003-7985.2017.01.014]

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Modification of the linear viscoelasticdeformation prediction model of asphalt mixture()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

33

Issue:

2017 1

Page:

86-90

Research Field:

Traffic and Transportation Engineering

Publishing date:

2017-03-30

Info

Title:

Modification of the linear viscoelasticdeformation prediction model of asphalt mixture

Author(s):

Yan Tianhao;  Huang Xiaoming;  Zhang Zhigang;  Wang Siqi

School of Transportation, Southeast University, Nanjing 210096, China

Keywords:

deformation prediction;  rutting;  viscoelasticity;  dynamic creep test

PACS:

U414

DOI:

10.3969/j.issn.1003-7985.2017.01.014

Abstract:

A deformation prediction model for the dynamic creep test is deduced based on the linear viscoelastic(LVE)theory. Then, the defect of the LVE deformation prediction model is analyzed by comparing the prediction of the LVE deformation model with the experimental data. To improve accuracy, a modification of the LVE deformation prediction model is made to simulate the nonlinear property of the deformation of asphalt mixtures, and it is verified by comparing its simulation results with the experimental data. The comparison results show that the LVE deformation prediction model cannot simulate the nonlinear property of the permanent deformation of asphalt mixtures, while the modified deformation prediction model can provide more precise simulations of the whole process of the deformation and the permanent deformation in the dynamic creep test. Thus, the proposed modification greatly improves the accuracy of the LVE deformation prediction model. The modified model can provide a better understanding of the rutting behavior of asphalt pavement.

References:

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Memo

Memo:

Biographies: Yan Tianhao(1991—), male, graduate; Huang Xiaoming(corresponding author), male, doctor, professor, huangxm@seu.edu.cn.
Foundation item: The National Natural Science Foundation of China(No.51378121).
Citation: Yan Tianhao, Huang Xiaoming, Zhang Zhigang, et al. Modification of the linear viscoelastic deformation prediction model of asphalt mixture[J].Journal of Southeast University(English Edition), 2017, 33(1):86-90.DOI:10.3969/j.issn.1003-7985.2017.01.014.

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