Traffic and data preparation for AASHTO MEPDG analysis and designs.
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Traffic and data preparation for AASHTO MEPDG analysis and designs.

Filetype[PDF-226.58 KB]


English
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Details:

  • Alternative Title:
    Research project capsule;12-1PF;
  • Creators:
    Wang, Kelvin C.P.
  • Corporate Contributors:
    Louisiana Transportation Research Center
  • Subject/TRT Terms:
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    Louisiana
  • Corporate Publisher:
    Louisiana Transportation Research Center
  • Abstract:
    "The Mechanistic Empirical Pavement Design Guide (MEPDG) and the

    subsequent AASHTO product DARWin-ME are signifi cant advancements in

    pavement design. However, they are substantially more complex than the

    1993 AASHTO Guide, which is currently used in many states. The new systems

    require signifi cantly more inputs from designers. Among them are many

    parameters with which today’s pavement designers are not familiar. In addition,

    MEPDG/DARWin-ME provides methodologies for the analysis and performance

    prediction of diff erent types of fl exible and rigid pavements for specifi c climatic

    and traffi c conditions. However, the models were developed using available

    Long Term Pavement Performance (LTPP) national wide data sets. These models

    require local calibration before MEPDG can be used by highway agencies

    effi ciently. Therefore, many data sets need to be pre-processed before their use

    for MEPDG/DARWin-ME. This process needs to be automated and assisted with

    software."

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