哈尔滨工业大学学报（英文版）2008，Vol.15Issue(5)：718-721,4.
Application of retardation time spectra of asphalt
Application of retardation time spectra of asphalt
摘要
Abstract
To improve the performance of asphah pavement,the dynamic and static tests of asphalt were used to measure its viscoelastic properties under different time.Based on the obtained data of static creep compliances and dynamic compliances according to the static creep test and dynamic test of asphalt using the dynamic shear rheometer,the discrete retardation time spectra were attained using the non-linear regression method.All viseoelastic functions are mathematically equivalent and belong to the same retardation time spectra,so the dynamic compliances of asphalt were converted to the static creep compliance using the retardation time spectra.Good correlations were found betwin calculation results and measurement results.In accordalice to these findings,the retardation time spectra can accurately transform static and dynamic viscoelastic functions.Therefore,we can obtain viscoelastic properties over much larger time or frequency region than measurement results.关键词
viscoelastic properties of asphalt/retardation time spectra/non-linear regression/creep compliance/dynamic complianceKey words
viscoelastic properties of asphalt/retardation time spectra/non-linear regression/creep compliance/dynamic compliance分类
交通工程引用本文复制引用
ZHAN Xiao-li,ZHANG Xiao-ning,LU Liang..Application of retardation time spectra of asphalt[J].哈尔滨工业大学学报（英文版）,2008,15(5):718-721,4.基金项目
Sponsored by the Post-doctoral Innovation Science Foundation of South China University of Technology(Grant No.20080222). （Grant No.20080222）
