WANG Xuan-cang, HOU Rong-guo. Structure design of long-life pavement[J]. Journal of Traffic and Transportation Engineering, 2007, 7(6): 46-49.
Citation: WANG Xuan-cang, HOU Rong-guo. Structure design of long-life pavement[J]. Journal of Traffic and Transportation Engineering, 2007, 7(6): 46-49.

Structure design of long-life pavement

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  • Author Bio:

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

  • Received Date: 2007-05-12
  • Publish Date: 2007-12-25
  • In order to increase the actual service life of pavement, the definition and design requirement of long-life pavement were studied, a long-life pavement structure based on PCC(cement concrete pavement)+AC(asphalt concrete pavement) pavement was suggested.With finite element analysis software and elastic layer system theory of pavement, the superiority of 3.0 m×4.0 m slab division for PCC was analyzed, and the load stress and temperature stress of long-life pavement structure were calculated.Analysis result shows that the temperature curling stress and comprehensive stress at concrete slab bottom are reduced by about 20% and 10% respectively, the theoretical life of suggested pavement structure reaches 46 a, and it satisfies design requirement.

     

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