Design a new flexible pavement for two lane undivided carriageway using the following data:

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written 7.1 years ago by

teamques10 ★ 70k

• modified 3.9 years ago

Design CBR value of subgrade = 5.0 % Initial traffic on completion of construction = 300 cv per day Average growth rate = 6.0 % per year Desgin life = 10 years VDF value = 2.5

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transportation engineering

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written 7.1 years ago by

teamques10 ★ 70k

Given data: r = 5.0 % = 0.05 per year, N = 300 cv per day , F = 2.5, n = 10 years

Lane distribution factor as per IRC recommendation for 2-lane undivided road, D = 0.75

Vide Eq. 7.15,

$CSA = \frac{365(NFD[1+r]^n - 1)}{r}$

Substituting, CSA = 2.7 …

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