Traffic and Highway Engineering
Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
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Q.5: Given: Flexible pavement in rural interstate highway. Design ESAL 3000000 Subbase exposed to moisture saturation 5% of time & drainage quality is fair. Base saturation level 10% of time (Fair drainage quality). Mr (HMA) 420,000 psi Mr (base) 24,000 psi Mr (subbase) 10,000 psi CBR (Subgrade) = 1.0 Reliability Level R = 85% So=0.45 APSI-2 Required: Design the pavement by the AASHTO method
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Transcribed Image Text:Q.5: Given: Flexible pavement in rural interstate highway. Design ESAL 3000000 Subbase exposed to moisture saturation 5% of time & drainage quality is fair. Base saturation level 10% of time (Fair drainage quality). Mr (HMA) 420,000 psi Mr (base) 24,000 psi Mr (subbase) 10,000 psi CBR (Subgrade) = 1.0 Reliability Level R = 85% So=0.45 APSI-2 Required: Design the pavement by the AASHTO method
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