Fatigue Properties of Rubber Modified SMA Asphalt Mixture

被引：3
|
作者：
Deng Hai-bin [1 ]
Ma Xiang [2 ]
Deng De-yi [1 ]
Tan Le [1 ]
机构：
[1] Huzhou Highway Management Bur, Huzhou 313000, Zhejiang, Peoples R China
[2] Nanjing Forestry Univ, Nanjing 210037, Jiangsu, Peoples R China
来源：
1ST INTERNATIONAL CONFERENCE ON ADVANCES IN CIVIL ENGINEERING AND MATERIALS (ACEM1) AND 1ST WORLD SYMPOSIUM ON SUSTAINABLE BIO-COMPOSITE MATERIALS AND STRUCTURES (SBMS1) | 2019年 / 275卷
关键词：
D O I：
10.1051/matecconf/201927504001
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
To evaluate fatigue properties of tubber modified SMA asphalt mixture, based on optimizing the preparation process of rubber asphalt, the splitting fatigue tests of three kinds of asphalt mixture is carried out including ordinary asphalt, modified asphalt with rubber powder and SBS modified asphalt. And the freezing and thawing conditions were considered in the tests. The results show that rubber powder can improve the fatigue properties of SMA asphalt mixture, but the modified effect of rubber powder lis not as good as SBS modifier, the fatigue properties of asphalt mixture are deteriorated by freeze -thaw conditions, the deterioration degree of rubber modified asphalt mixture is less than SBS modified asphalt mixture, but rubber modified asphalt mixture has better freeze-thavv durability.
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页数：8
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