Mortar fatigue model for meso-mechanistic mixture design of ravelling resistant porous asphalt concrete

被引：0
|
作者：
Liantong Mo
M. Huurman
Shaopeng Wu
A. A. A. Molenaar
机构：
[1] Wuhan University of Technology,State Key Laboratory of Silicate Materials for Architectures
[2] Department of Technology and Development,Department of Road and Railway Engineering, Faculty of Civil Engineering and Geosciences
[3] Delft University of Technology,undefined
来源：
Materials and Structures | 2014年 / 47卷
关键词：
Porous asphalt concrete; Ravelling; Mortar fatigue; Dissipated energy; Life prediction;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper presents the development of a practical mortar fatigue model on the basis of the dissipated energy concept. A specially designed test setup was developed for characterization of mortar fatigue at meso-scale by means of dynamic shear rheometer. Test results showed that mortar fatigue models based on the dissipated energy concept can be developed for the purpose of life predictions under complicated loading conditions. The dissipated energy per cycle in the initial phase of fatigue tests is a practical indicator for fatigue life determination purposes than the total energy dissipated during a fatigue test. Since a mortar fatigue model based on the initial dissipated energy per cycle was adopted, effects of random stress and strain signals on mortar fatigue can be taken into account.
引用
收藏
页码：947 / 961
页数：14
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