Design the pavement for an expressway consisting of an asphalt concrete surface, a crushed-stone base, and a granular subbase using the 1993 AASHTO design chart (Figure 8.22). The cumulative ESAL in the design lane for a design period of 15 years is 7*10°. The area has a good quality drainage with 10% of the time the moisture level is approaching saturation. The effective roadbed soil resilient modulus is 7 Ksi, the subbase has a CBR value of 80, the resilient modulus of the base is 40 Ksi, and the resilient modulus of the asphalt concrete is 4.5 * 105 psi. Assume a reliability level of 95%, So of 0.45, Po of 4.6, and Pt of 3.0.

Design the pavement for an expressway consisting of an asphalt concrete surface, a crushed-stone base, and a granular subbase using the 1993 AASHTO design chart (Figure 8.22). The cumulative ESAL in the design lane for a design period of 15 years is 710°. The area has a good quality drainage with 10% of the time the moisture level is approaching saturation. The effective roadbed soil resilient modulus is 7 Ksi, the subbase has a CBR value of 80, the resilient modulus of the base is 40 Ksi, and the resilient modulus of the asphalt concrete is 4.5 105 psi. Assume a reliability level of 95%, So of 0.45, Po of 4.6, and Pt of 3.0.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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