Assuming there is no subbase; design a flexible pavement using AASHTO method given the

following data:

Assume,

Reliability $($R$)=75\%$

So $,=0\mathrm{.}35$

$\frac{\frac{?}{{?}_{\frac{?}{?}}}}{P}SI,=2\mathrm{.}0$

$W_{18}=200,000$