PRIN.OF HIGHWAY ENGINEERING&TRAFFIC ANA.
7th Edition
ISBN: 9781119610526
Author: Mannering
Publisher: WILEY
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Question
Chapter 4, Problem 30P
To determine
The number of years for which the flexible pavement will last.
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A flexible pavement was designed for the following daily traffic with a 12-year design life:
1300 single axles at 8,000 Ib each, 900 tandem axles at 15,000 lb each, 20 single axles at
40,000 Ib each, and 200 tandem axles at 40,000 Ib each. The highway was designed with 4
inches of hot-mix asphalt (HMA) wearing surface, 4 inches of hot-mix asphaltic base, and 8
inches of crushed stone subbase. The reliability was 70%, overall standard deviation was
0.5, "PSI was 2.0 (with a TSI of 2.5), and all drainage coefficients were 1.0. What was the soil
resilient modulus of the subgrade used in design?
A flexible pavement was designed for the following daily traffic with a 12-year design life: 1300 single axles at 8,000 lb
each, 900 tandem axles at 15,000 lb each, 20 single axles at 40,000 lb each, and 200 tandem axles at 40,000 lb each. The
highway was designed with 4 inches of hot-mix asphalt (HMA) wearing surface, 4 inches of hot-mix asphaltic base, and 8
inches of crushed stone subbase. The reliability was 70%, overall standard deviation was 0.5, " PSI was 2.0 (with a TSI of
2.5), and all drainage coefficients were 1.0. What was the soil resilient modulus of the subgrade used in design?
Q/ A flexible pavement was designed for the following daily traffic with a 12-year
design life: 1300 single axles at 8,000 lb each, 900 tandem axles at 15,000 lb each,
20 single axles at 40,000 lb each, and 200 tandem axles at 40,000 lb each. The
highway was designed with 4 inches of hot-mix asphalt (HMA) wearing surface, 4
inches of hot-mix asphaltic base, and 8 inches of crushed stone subbase. The
reliability was 70%, overall standard deviation was 0.5, APSI was 2.0 (with a TSI of
2.5), and all drainage coefficients were 1.0. What was the soil resilient modulus of
the subgrade used in design?
Chapter 4 Solutions
PRIN.OF HIGHWAY ENGINEERING&TRAFFIC ANA.
Ch. 4 - Prob. 1PCh. 4 - Prob. 2PCh. 4 - Prob. 3PCh. 4 - Prob. 4PCh. 4 - Prob. 5PCh. 4 - Prob. 6PCh. 4 - Prob. 7PCh. 4 - Prob. 8PCh. 4 - Prob. 9PCh. 4 - Prob. 10P
Ch. 4 - Prob. 11PCh. 4 - Prob. 12PCh. 4 - Prob. 13PCh. 4 - Prob. 14PCh. 4 - Prob. 15PCh. 4 - Prob. 16PCh. 4 - Prob. 17PCh. 4 - Prob. 18PCh. 4 - Prob. 19PCh. 4 - Prob. 20PCh. 4 - Prob. 21PCh. 4 - Prob. 22PCh. 4 - Prob. 23PCh. 4 - Prob. 24PCh. 4 - Prob. 25PCh. 4 - Prob. 26PCh. 4 - Prob. 27PCh. 4 - Prob. 28PCh. 4 - Prob. 29PCh. 4 - Prob. 30PCh. 4 - Prob. 31PCh. 4 - Prob. 32P
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