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LIU Jian-lan, WANG Chao-hui, WANG Xuan-cang. Mechanical properties of reinforced asphalt concretes with different position grids[J]. Journal of Traffic and Transportation Engineering, 2009, 9(2): 22-27. doi: 10.19818/j.cnki.1671-1637.2009.02.005
Citation: LIU Jian-lan, WANG Chao-hui, WANG Xuan-cang. Mechanical properties of reinforced asphalt concretes with different position grids[J]. Journal of Traffic and Transportation Engineering, 2009, 9(2): 22-27. doi: 10.19818/j.cnki.1671-1637.2009.02.005
shu

Mechanical properties of reinforced asphalt concretes with different position grids

doi: 10.19818/j.cnki.1671-1637.2009.02.005
  • 1.

    School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China

  • 2.

    CCCC Second Highway Engineering Co., Ltd., Xi'an 710065, Shaanxi, China

More Information
  • Author Bio:

    LIU Jian-lan(1974-), male, doctoral student, +86-29-88283875, ljl343728@163.com

    WANG Xuan-cang (1956-), male, professor, +86-29-82334836, wxc2005@163.com

  • Received Date: 2008-10-18
  • Publish Date: 2009-04-25
    Abstract
  • In order to study the internal law of mechanical properties for reinforced asphalt concretes with different position grids, wheel rolling specimens and Marshall formation samples were respectively made. Interlayer shear and pull-out tests were conducted. The influence of grid position on concrete strength property was studied. Dimensionless toughness index was introduced to evaluate splitting strength test. Analysis result shows that the mechanical property of asphalt concrete reinforced with grid is better than that without grid. The interlayer resisting shear abilities of reinforced asphalt concretes with different position grids are similar at 25 ℃ and 60 ℃. When grid is set in the middle of concrete sample, the interlayer caking capability of reinforced concrete is best, its compression strength, compression resilience modulus and toughness are maximum. When grid is far away from the middle, the splitting strength of reinforced concrete is maximum.

     

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