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Gu Xing-yu, Wu Yi-ming. Influence factors and simplified calculation of interbedded shear stress of asphalt paving on steel bridge[J]. Journal of Traffic and Transportation Engineering, 2007, 7(3): 70-75.
Citation: Gu Xing-yu, Wu Yi-ming. Influence factors and simplified calculation of interbedded shear stress of asphalt paving on steel bridge[J]. Journal of Traffic and Transportation Engineering, 2007, 7(3): 70-75.
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Influence factors and simplified calculation of interbedded shear stress of asphalt paving on steel bridge

  • School of Transportation, Southeast University, Nanjing 210096, Jiangsu, China

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  • Author Bio:

    Gu Xing—yu(1976-), male, EngD, associate professor, +86-25-83795979, guxingyul976@163.com

  • Received Date: 2006-11-24
  • Publish Date: 2007-06-25
    Abstract
  • In order to minish the interbedded shear stress of asphalt paving, 3-D finite element model of bridge deck was set up, the influences of load position, steel deck thickness, the open width of U shape rib, asphalt thickness, asphalt modulus, contact condition and heavy load on the longitudinal-transverse shear stresses were analyzed, and the simplified calculation formulae of the stresses were concluded. It is pointed that the shear stresses are much larger than that of road structure in same condition because of uneven deformation, the main influence factors in order are heavy load, steel deck thickness, the open width of U shape rib and paving parameters; completely smooth state between asphalt concrete and steel deck lowers the whole stiffness of deck system, but benefits to resist shear stress; controlling heavy loads, stiffening steel deck and selecting flexible interbedded sticking materials are effective method to reduce the shear stress between steel deck and asphalt paving.

     

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