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Traffic load spectra development for the 2002 AASHTO design guide.

File Language:
English


Details

  • Corporate Creators:
    Mississippi State University
  • Corporate Contributors:
    Mississippi. Dept. of Transportation. Research Division ; Mississippi Transportation Research Center
  • Subject/TRT Terms:
  • Publication/ Report Number:
    FHWA/MS-DOT-RD-04-165
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    Mississippi
  • Edition:
    Final report.
  • Corporate Publisher:
    Mississippi State University
  • Abstract:
    Accurate knowledge of traffic volumes and loading is essential to structural pavement design and performance. ; Underestimation of design traffic can result in premature pavement failures and excessive rehabilitation costs. ; Overestimation can result in overly conservative pavement designs that are not cost effective for the owner agency. ; Traffic input for the anticipated National Cooperative Highway Research Program (NCHRP) 1-37A Design Guide ; will be in terms of axle load spectra along with several other important traffic parameters. Axle load spectra consists ; of classifying traffic loading in terms of the number of load applications of various axles configurations (single, dual, ; and tridem) within a given weight classification range. ; Long term pavement performance (LTPP) data from Mississippi sites were extensively reviewed to determine vehicle ; class distribution, monthly and hourly distribution factors, and axle load spectra. This data will serve as baseline data ; for Mississippi Department of Transportation (MDOT) implementation of the new mechanistic-empirical structural ; pavement design guide.
  • Format:
    PDF
  • Download URL:
    https://rosap.ntl.bts.gov/view/dot/24151/dot_24151_DS1.pdf
  • File Type:
    Filetype[PDF - 1.88 MB]
  • Collection(s):
    US Transportation Collection
  • Main Document Checksum:
    urn:sha-512:86d0534c4564869c5b0ca93a1a406d4bf26aec34ed66e2241d5e74a3e0304d410fba72d9c36c922ec3b1f3c9787682ed487e11d00ca3279d5cdadf41bc30895b
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