28. The PCA rigid pavement design chart for a B-777-300 aircraft is shown in Figure 7.7.3 attached. What would be the required pavement thickness if the weight on the main landing gear is 627,700 lb, a modulus of subgrade reaction=300 psi/in, and a 28-concrete flexural strength=820 psi? The pavement is to be designed for a critical area and requires a safety factor-2.0. a. 6.0 inches b. 8.0 inches c. 14.0 inches d. 17.0 inches
28. The PCA rigid pavement design chart for a B-777-300 aircraft is shown in Figure 7.7.3 attached. What would be the required pavement thickness if the weight on the main landing gear is 627,700 lb, a modulus of subgrade reaction=300 psi/in, and a 28-concrete flexural strength=820 psi? The pavement is to be designed for a critical area and requires a safety factor-2.0. a. 6.0 inches b. 8.0 inches c. 14.0 inches d. 17.0 inches
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter20: Design Of Rigid Pavements
Section: Chapter Questions
Problem 17P
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