Define pavement design - transportation, Civil Engineering

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Define Pavement Design - Transportation

1. Asphalt surface

a. Estimate Design Traffic

b. Determine the Structural Number (SN) for the given traffic, roadway, and soil characteristics

c. Compute layer-thickness using the following equation

SN = a₁D₁ + a₂D₂ + ...+a_nD_n

Where SN = structural number of the pavement

a_i = strength coefficient of the i^thlayer

D_i = thickness of the i^th layer in inches

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