Aashto Flexible Pavement Design Excel Spreadsheet |link|
Here is a step-by-step guide to using an AASHTO flexible pavement design Excel spreadsheet:
Required SN = 4.5 (example).
[\log_10(W_18) = Z_R \cdot S_o + 9.36 \cdot \log_10(SN+1) - 0.20 + \frac\log_10\left(\frac\Delta PSI4.2-1.5\right)0.40 + \frac1094(SN+1)^5.19 + 2.32 \cdot \log_10(M_R) - 8.07] aashto flexible pavement design excel spreadsheet