Help on the use of the AASHTO (1986/1993) Pavement Design Method for Flexible Pavements
Are the 1986 and 1993 versions different?
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Arno Hefer Administrator Posts: 16
5/4/2021
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Although the AASHTO design guide has undergone a number of revisions since 1961, practically no difference exists between the basic design methods presented in the 1986 and 1993 versions. Only the 1986 overlay design method was completely revised (essentially simplified) in the 1993 version. Rubicon Toolbox caters for the basic design method and although the AASHTO overlay design procedure does not explicitly feature, the principles outlined in the AASHTO guide can be implemented using the design module.
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