The objective of the research effort was to evaluate the 1986 AASHTO Guide for Design of Pavement Structures for Kentucky conditions. The sensitivity analyses involved detailed comparisons of the 1986 AASHTO Guide with Kentucky procedures. The 1986 AASHTO Guide identified fourteen major new considerations relating to the structural design of pavements. These considerations are: (1) reliability, (2) resilient modulus for soil support, (3) resilient modulus for flexible pavement layer coefficients, (4) drainage, (5) improved environmental considerations, (6) tied concrete shoulders and/or widened lanes, (7) subbase erosion for rigid pavements, (8) life cycle cost analyses, (9) pavement rehabilitation, (10) pavement management, (11) extension of load equivalency data, (12) improved traffic data, (13) design of pavements for low volume roads, and (14) state of the knowledge on mechanistic empirical design concepts.


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    Title :

    Sensitivity Study of 1986 AASHTO Guide for Design of Pavement Structures


    Contributors:

    Publication date :

    1991


    Size :

    143 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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