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CHEN Jun, HUANG Xiao-ming. Overlay design considering remnant life of old asphalt pavement[J]. Journal of Traffic and Transportation Engineering, 2009, 9(2): 17-21. doi: 10.19818/j.cnki.1671-1637.2009.02.004
Citation: CHEN Jun, HUANG Xiao-ming. Overlay design considering remnant life of old asphalt pavement[J]. Journal of Traffic and Transportation Engineering, 2009, 9(2): 17-21. doi: 10.19818/j.cnki.1671-1637.2009.02.004
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Overlay design considering remnant life of old asphalt pavement

doi: 10.19818/j.cnki.1671-1637.2009.02.004

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

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  • Author Bio:

    CHEN Jun(1981-), male, doctoral student, +86-25-83791654, chen_jun2728@163.com

    HUANG Xiao-ming(1963-), male, professor, PhD, +86-25-83795184, huangxm@seu.edu.cn

  • Received Date: 2008-11-12
  • Publish Date: 2009-04-25
    Abstract
  • The fatigue performances of old asphalt pavement before and after overlay were simulated by asphalt mixture fatigue tests with two-amplitude load in laboratory. The theory of equivalent damage was used to make conversion from the loading frequencies of old base course before overlay to that after overlay. The formula was founded to forecast the remnant lives of old pavement surface and base course after overlay. Overlay design method considering remnant life of old pavement and checking computation of overlay construction were proposed. The method was applied in maintenance of Donggang Expressway in Shandong Province. Analysis result indicates that the overlay fatigue lives of the two structures both meet the requirement of traffic volume of Donggang Expressway. Considering economic benefits and the harmony between traffic volume and overlay fatigue life, the second overlay structure with twelve centimeters LSPM-25 is more suitable for Donggang Expressway.

     

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    • References(10)
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