Answer to Question #83727 in Mechanical Engineering for Mais
NO. 5. A rigid airport pavement is to be designed for the following data.
– Dual tandem aircraft (gross weight = 300,000 lbs)
– annual equivalent departures = 13000
– Subgrade k = 150 pci with poor drainage, frost penetration = 18 in.
– Primary runway, 100% frost protection
– Subgrade soil is CL
– Concrete flexural strength = 650 psi
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