MATEC Web Conf.
Volume 275, 20191st International Conference on Advances in Civil Engineering and Materials (ACEM1) and 1st World Symposium on Sustainable Bio-composite Materials and Structures (SBMS1) (ACEM2018 and SBMS1)
|Number of page(s)||8|
|Section||Road and Bridge Engineering|
|Published online||13 March 2019|
Fatigue Properties of Rubber Modified SMA Asphalt Mixture
1 Huzhou Highway Management Bureau, Huzhou Zhejiang 313000 China ;
2 Nanjing Forestry University, Nanjing Jiangsu 210037 China.
* Corresponding author: firstname.lastname@example.org
To evaluate fatigue propertiesof rubber modified SMA asphaltmixture, based on optimizing the preparation process of rubber asphalt, the splitting fatigue testsof 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 is 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-thaw durability.
© The Authors, published by EDP Sciences, 2019
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