(Reliability): A standard normal deviate representing the probability the pavement will perform as intended (e.g., 95% reliability corresponds to S0cap S sub 0
AASHTO Flexible Pavement Design: The Ultimate Guide to Excel Spreadsheets aashto flexible pavement design excel spreadsheet
(Resilient Modulus): A measure of the in psi. 2. Converting SN to Layer Thicknesses iterative process that balances traffic loads
Designing flexible pavements using the is a complex, iterative process that balances traffic loads, soil strength, and material properties. Using an Excel spreadsheet transforms this tedious manual calculation into a rapid, accurate engineering tool. 1. The AASHTO 1993 Design Equation aashto flexible pavement design excel spreadsheet
(Design Traffic): Total expected 18,000-lb over the design period. ZRcap Z sub cap R