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Pavement design and performance studies : progress report no. 4 on phase A, performance study of typical Virginia pavements.
  • Published Date:
    1970
  • Language:
    English
Filetype[PDF-4.17 MB]


Details:
  • Alternative Title:
    Progress report no. 4 on phase A : performance study of typical Virginia pavements ; Performance study of typical Virginia pavements ; Pavement design and performance studies : progress report no. 4 on phase A ;
  • Publication/ Report Number:
  • Resource Type:
  • Geographical Coverage:
  • OCLC Number:
    9128750
  • Abstract:
    The performance of in-service typical Virginia flexible and rigid pavements in all areas of the state is under evaluation. The objectives are to provide a ready reference for designers and field engineers and to provide background information for design improvement. Periodic deflection and roughness tests are conducted along with field inspections. The records maintained on each pavement reflect condition, traffic, construction costs, and major repairs. Among the major findings of the study to date are: (1) Cement stabilized subgrades under recently constructed flexible pavements have virtually eliminated rutting and other major distortions, (2) The cumulative number of trailer trucks and buses sustained by a pavement up to a fixed degree of cracking is directly related to a parameter used to define the shape of the Dynaflect deflection basin, and (3) Terminal PSI as defined from the AASHO Road Test is too insensitive for use in the evaluation of flexible pavement performance in Virginia.

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