Analysis of Effects of High Temperature and Loading Frequency on Asphalt Binder

被引：0
作者：
Cao Phu Cuong [1 ]
Guo Zhongyin [2 ]
Yang Yongshun [3 ]
Xue Zhichao [3 ]
机构：
[1] Tongji Univ, Minist Educ, Key Lab Rd & Traff Engn, Shanghai 200092, Peoples R China
[2] Tongji Univ, Key Lab Road & Traff Engn, Minist Educ, Shanghai, Peoples R China
[3] High Bur, Commun Dept, Jinan, Shandong, Peoples R China
来源：
ADVANCED MATERIALS DESIGN AND MECHANICS II | 2013年 / 372卷
关键词：
asphalt binder; viscoelasticity theory; high temperature; loading frequency; dynamic shear rheology;
D O I：
10.4028/www.scientific.net/AMM.372.314
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Based on the theory of viscoelasticity, the Dynamic Shear Rheology test is used as study method. Study subjects are AH70 asphalt, SBS modified asphalt and MAC modified asphalt. Study objective is to analyze the effects of both high temperature and loading frequency on asphalt binder in asphalt mixture. Results from studies have revealed that: At high temperature and low loading frequency, the elasticity of asphalt binder decreases or low possibility of strain recovery, rutting resistance parameter decreases or the risk of rutting increases; At high temperature and high loading frequency, the viscosity of asphalt binder decreases or the strain speed of asphalt binder increases; At low temperature and high loading frequency, the fatigue resistance parameter increases, in other words there exists high fatigue cracking potential.
引用
收藏
页码：314 / +
页数：2
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