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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2012  >  12(3): 1-8
WU Jian-min, ZHANG Xue-lin, CHEN Zhong-da, LIN Jie, ZHANG Hong-liang. Test method of SBS content in modified asphalt[J]. Journal of Traffic and Transportation Engineering, 2012, 12(3): 1-8. doi: 10.19818/j.cnki.1671-1637.2012.03.001
Citation: WU Jian-min, ZHANG Xue-lin, CHEN Zhong-da, LIN Jie, ZHANG Hong-liang. Test method of SBS content in modified asphalt[J]. Journal of Traffic and Transportation Engineering, 2012, 12(3): 1-8. doi: 10.19818/j.cnki.1671-1637.2012.03.001
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Test method of SBS content in modified asphalt

doi: 10.19818/j.cnki.1671-1637.2012.03.001
  • 1.

    Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang'an University, Xi'an 710064, Shaanxi, China

  • 2.

    Transportation Bureau of Zhucheng, Zhucheng 262200, Shandong, China

Funds:

National Natural Science Foundation of China 51108039

Special Fund for Basic Scientific Research of Central Colleges CHD2011ZD010

More Information
  • Author Bio:

    WU Jian-min (1971-), Male, Xingtai, Hebei, Associate Professor of Chang'an University, PhD, Research on Road Materials and Structure, +86-29-82336851, L08@gl.chd.edu.cn

  • Received Date: 2011-12-22
  • Publish Date: 2012-06-25
    Abstract
  • The performance indexes of three kinds of base asphalts modified with different SBS contents were tested, grey correlation analysis method was used, SBS content was as reference sequence, the performance indexes of modified asphalt, such as penetration, softening point, ductility, elasticity recovery and kinematic viscosity at 135 ℃, were as comparison sequence, correlation grades between SBS content and main performance indexes were calculated and sequenced.The weight of each performance index was calculated by normalizing correlation grade coefficients, the relationship between conventional performance indexes and SBS content was set up, a test method of SBS content based on multiple indexes was put forward, and the method was validated by using sample groups with known SBS contents.Analaysis result indicates that the main performance indexes with significant correlation to SBS content are softening point, elasticity recovery and kinematic viscosity at 135 ℃.The absolute deviations of SBS contents for three kinds of modified asphalts are all within 0.15%, so the method is reliable.

     

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    • References(20)
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