Establishment and damage analysis for steel deck pavement composite beam fatigue model

被引：0
|
作者：
Wang, M. [1 ]
Shang, F. [1 ]
Xiao, L. [1 ]
机构：
[1] Chongqing Zhixiang Paving Technol Engn Co Ltd, 33 Xuefu Ave, Chongqing 400067, Peoples R China
来源：
2ND INTERNATIONAL WORKSHOP ON MATERIALS SCIENCE AND MECHANICAL ENGINEERING (IWMSME2018) | 2019年 / 504卷
关键词：
D O I：
10.1088/1757-899X/504/1/012062
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Different from high-grade asphalt pavement, steel bridge thin layer pavement share traffic load with orthotropic steel deck pavement and its fatigue damage is related to the latter. Based on deformation characteristics of orthotropic steel deck pavement, we established a corresponding composite beam fatigue test model. Based on damage mechanics, we put up with a steel bridge composite beam fatigue damage model. Through steel deck pavement composite beam fatigue experiments, composite beam fatigue damage equation was established. Results show that the fatigue damage test model can well reflect local mechanics response of steel deck pavement; composite beam made of different paving materials have different damage rules: stiffening pavement system has the smallest fatigue damage rate, modified asphalt SMA has the biggest fatigue damage rate and epoxy asphalt concrete has a middle level.
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页数：7
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