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CHA Xu-dong. Summary of backcalculation methods of pavement layer moduli[J]. Journal of Traffic and Transportation Engineering, 2002, 2(4): 1-6.
Citation: CHA Xu-dong. Summary of backcalculation methods of pavement layer moduli[J]. Journal of Traffic and Transportation Engineering, 2002, 2(4): 1-6.
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Summary of backcalculation methods of pavement layer moduli

  • Department of Road and Traffic Engineering, Changsha Communications University, Changsha 410076, China

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  • Author Bio:

    ZHA Xu-dong (1970-), male, PhD, an associate professor of Changsha Communications University, engaged in research of road and railway engineering

  • Received Date: 2002-05-26
  • Publish Date: 2002-12-25
    Abstract
  • The researches on backcalculation methods of pavement layer moduli in China and other countries were reviewed. The advantages and disadvantages of 5 kinds of backcalculation methods, nomographies and regressive equations, iterative methods, database searching techniques, genetic algorithms and artificial neural networks, were discussed. It is pointed out that initial value and local convergency, uniqueness of solution, and reasonableness of backcalculation results are the 3 key issues.

     

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    • References(10)
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