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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:MENG Yong-jun,ZHANG Xiao-ning,LU Yan-qiu.Influence of SBS modifiers on viscoelastic mechanical behavior of modified asphalt[J].Journal of Harbin Institute Of Technology(New Series),2010,17(2):157-160.DOI:10.11916/j.issn.1005-9113.2010.02.002.
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Influence of SBS modifiers on viscoelastic mechanical behavior of modified asphalt
Author NameAffiliation
MENG Yong-jun School of Science and Engineering on Communication,Harbin Institute of Technology,Harbin 150090,China 
ZHANG Xiao-ning College of Traffic and Communications,South China University of Technology,Guangzhou 510641,China 
LU Yan-qiu Shenzhen Municipal Engineering Design Institute,Shenzhen 518035,China 
Abstract:
In order to verify the influence of different block proportions S/B on the effect of SBS modified asphalt,the dynamic mechanical performance test and static loading test were performed on the samples composed of different kinds of SBS with base asphalt. It is found that different S/B values fix on different modified effects and different viscoelastic mechanical behaviors,due to biphasic separate fabric of polybutadiene and polystyrene in SBS. In low-speed running pavement,the modified asphalt with lower S/B value shows better pavement performance,while in high-speed running pavement,the modified asphalt with higher S/B value shows better pavement performance. As far as SBS modified asphalt itself is concerned,mixing proportion impacts on resisting displacement and block proportion S/B ratio impacts on strain recovery capacity. In the case that the conditions are the same,SBS modified asphalt with different S/B values can be used for different travelling speed pavement construction demands to get an intelligent use.
Key words:  SBS modifier  block proportion  dynamic mechanical test  static loading test
DOI：10.11916/j.issn.1005-9113.2010.02.002
Clc Number:U414.1
Fund:

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