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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2008  >  8(4): 47-51
ZHENG Mu-lian, MA Qing-lei, CHEN Shuan-fa, WANG Song-gen, WANG Bing-gang. Load stress analysis of concrete base for durable asphalt pavement with 3D finite element model[J]. Journal of Traffic and Transportation Engineering, 2008, 8(4): 47-51.
Citation: ZHENG Mu-lian, MA Qing-lei, CHEN Shuan-fa, WANG Song-gen, WANG Bing-gang. Load stress analysis of concrete base for durable asphalt pavement with 3D finite element model[J]. Journal of Traffic and Transportation Engineering, 2008, 8(4): 47-51.
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Load stress analysis of concrete base for durable asphalt pavement with 3D finite element model

  • 1.

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

  • 2.

    Road Bureau, Department of Communications of Shandong Province, Jinan 250002, Shandong, China

More Information
  • Author Bio:

    ZHENG Mu-lian(1977-), female, associate professor, PhD, +86-29-82334846, zhengmulian@163.com

  • Received Date: 2007-12-25
  • Publish Date: 2008-08-25
    Abstract
  • In order to analyze the influence of some factors on the load stress of concrete base for durable asphalt pavement, a 3D finite element model was built, the calculation parameters of the model were determined, they were arranged by using orthogonality design method, the load stress at the bottom of concrete base was calculated, and the maximum difference and variance of the calculation results were analyzed.Analysis result shows that the load stress of concrete base decreases slightly with the thickness increase of asphalt surface, decreases with the thickness increase of concrete base, increases with the modulus increase of concrete base, and decreases notably with the modulus increase of subground, while there is little influence of surface course modulus on the load stress; the prominent influence factors of the load stress are subground modulus, concrete base modulus and thickness when the confidence probability is 95%, while the prominent factors are subground modulus, concrete base modulus and thickness, surface course thickness when the confidence probability is 90%, and the prominence of each factor decreases in turn.

     

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