Aashto Flexible Pavement Design Excel Spreadsheet -

): This represents the stiffness of the subgrade soil, often estimated from CBR or R-values . The difference between initial smoothness ( Pocap P sub o ) and terminal serviceability ( Ptcap P sub t How the Spreadsheet Logic Works Calculate Required Structural Number ( SNreqcap S cap N sub r e q end-sub

The AASHTO flexible pavement design spreadsheet calculates the required Structural Number ( cap S cap N aashto flexible pavement design excel spreadsheet

For those looking to download or build a tool, these resources provide specific templates and technical guidance: AASHTO 1993 Pavement Design Spreadsheet ): This represents the stiffness of the subgrade