A flexible pavement is to be designed. The moisture factor is 1.0. The subgrade has been prepared to a CBR of 5. The str

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A flexible pavement is to be designed. The moisture factor is 1.0. The subgrade has been prepared to a CBR of 5. The str

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A Flexible Pavement Is To Be Designed The Moisture Factor Is 1 0 The Subgrade Has Been Prepared To A Cbr Of 5 The Str 1
A Flexible Pavement Is To Be Designed The Moisture Factor Is 1 0 The Subgrade Has Been Prepared To A Cbr Of 5 The Str 1 (187.87 KiB) Viewed 20 times
A flexible pavement is to be designed. The moisture factor is 1.0. The subgrade has been prepared to a CBR of 5. The structural coefficient for the 2-inch hot mix asphalt is al=0.4 and there should be 6 inches of asphalt base with a structural coefficient of a2= 0.3. The structural coefficient of the subbase a3= 0.10. The reliability is 90 percent, standard deviation is 0.4, and 20,000,000 ESAL are expected. The PSI when built was 4.8 and the PSI before rehabilitation is to be no less than 2.3. How much subbase aggregate is required? Show your work on the nomograph. Express your answer in inches of subbase thickness.
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