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FLEXIBLE PAVEMENT EMPIRICAL DESIGN METHODS<br />

AASHTO 93 IS COMMONLY USED AASHTO 2002 COMING SOON<br />

• TRAFFIC<br />

• SUBGRADE<br />

• DRAINAGE CONDITIONS<br />

• ENVIRONMENTAL CONDITIONS<br />

• PAVEMENT SERVICEABILITY<br />

• MATERIALS<br />

GRANULAR SUBBASE<br />

GRANULAR BASE<br />

FOAMED ASPHALT<br />

ASPHALT CONCRETE<br />

GBE<br />

AASHTO 93 a i<br />

ASPHALT PAVEMENTS<br />

SN = a 1 D 1 + a 2 D 2 m 2 + a 3 D 3 m 3

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