(Design Traffic): Total expected 18,000-lb over the design period. ZRcap Z sub cap R
(Resilient Modulus): A measure of the in psi. 2. Converting SN to Layer Thicknesses aashto flexible pavement design excel spreadsheet
(Reliability): A standard normal deviate representing the probability the pavement will perform as intended (e.g., 95% reliability corresponds to S0cap S sub 0 (Design Traffic): Total expected 18,000-lb over the design
The core of flexible pavement design is a predictive equation that determines the required to support a specific traffic volume over a set design life. Because the SN appears on both sides of the equation in a non-linear format, it requires a trial-and-error approach or a "Goal Seek" function in Excel to solve. The fundamental equation is: (Design Traffic): Total expected 18