长沙理工大学学报(自然科学版)2006,Vol.3Issue(3):27-35,9.
沥青混合料时间-温度-老化等效性原理及应用
The time-temperature-aging equivalent principle of asphalt mixtnre and its application
摘要
Abstract
The main mechanics behavior character of viscoelastic material is its time dependence, which lies in the existence of the interior timepiece or the characteristic time, which is influenced by many factors. The free volume theory of material viscosity is usually used to study the characteristic time. Based on this theory, this paper deduced the time-temperature equivalent relation of Williams-Landel-Ferry (WLF) equation. Aging influences the viscosity as well. Through the creep test, this paper deduced the time-temperature, time-aging, temperature-aging equivalent equation. It has a great significance and value in mechanics behavior study, structure analysis and life prediction of asphalt mixture.关键词
沥青混合料/自由体积理论/WLF方程/时间温度老化等效Key words
asphalt mixture/free volume theory/WLF equation/time-temperature-aging equivalence分类
交通工程引用本文复制引用
郑健龙,吕松涛,田小革..沥青混合料时间-温度-老化等效性原理及应用[J].长沙理工大学学报(自然科学版),2006,3(3):27-35,9.基金项目
国家自然科学基金资助项目(50178012 ()
50408007) ()