8. [10 Marks] Using the RHD (Roads and Highways Department) pavement design process, do a thickness design of all paveme

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8. [10 Marks] Using the RHD (Roads and Highways Department)
pavement design process, do a thickness design of all pavement
layers of a new flexible National Highway for a design period of 20
years. Instead of using the ID-specific traffic data given Table 2
and 3, use the following traffic data for the RHD design only. Show
calculations and Draw the final designed pavement section showing
all pavement layers. Vehicle type Existing Flow /day (0.5xtwo-way
flow) Heavy truck (dual axle) 30, Medium truck (single axle) 120,
Light truck 75 ,Large bus 80, Mini Bus 200