Q1: Given the following information: Roadbed soil MR • 20,000 psi (December - January) ⚫8,000 psi (February-March) 15,000 psi (April - November) Subbase Information: Thickness =6 inches Elastic Modulus =100,000 psi Design Factors: ⚫ Design Reliability, R =90% • Overall Standard Deviation, So =0.40 ⚫ APSI =1.5 Traffic Drainage coefficient =37.9 million ESAL =1.0 PCC: Elastic Modulus, E = 4,500,000 psi ⚫ Modulus of Rupture, S' = 725 psi Design the rigid pavement by determine the slab thickness, use the Monograph or solve the AASHTO design equation?