With the determination of geometric design and both horizontal and vertical alignments in highway design, the designer can start working on the pavement design.
The two major types of pavement are:
1. Flexible pavement - using asphalt as surface
2. Rigid pavement - using concrete as surface
Formulae for solving thicknesses of pavements on both types are long for manual computation so AASHTO deviced a graphical solution for thickness determination through nomographs.
Click here for pdf notes in Pavement Design
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