Nonlinear viscoelastic analysis of asphalt binders

被引：0
|
作者：
Masad, E. [1 ]
Huang, C. [1 ]
Airey, G. D. [2 ]
Muliana, A. [1 ]
机构：
[1] Texas A&M Univ, College Stn, TX 77843 USA
[2] Univ Nottingham, Nottingham, England
来源：
ADVANCED CHARACTERISATION OF PAVEMENT SOIL ENGINEERING MATERIALS, VOLS 1 AND 2 | 2007年
关键词：
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper presents an analysis of the nonlinear viscoelastic behavior of unaged and aged asphalt binders tested using a Dynamic Shear Rheometer (DSR) at several temperatures and frequencies. The DSR measurements were converted to the time domain and a master curve at a reference temperature of 30 degrees C was formed using the time-temperature superposition principle (TTSP). Data analysis was conducted to determine nonlinear stress dependent parameters (g(1)g(2)), a stress-time shift factor (a(s)) and an aging-time shift factor (a(g)). The nonlinear viscoelastic model was implemented in the finite element (FE) software ABAQUS to simulate the unaged and aged experimental data. The FE model was found to predict the unaged and aged experimental data very well.
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收藏
页码：103 / 110
页数：8
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