What would be the thickness for the pavement if the CBR value of the soil is found out to be 20% and the traffic is estimated to be 4300 commercial vehicles per day?

What would be the thickness for the pavement if the CBR value of the soil is found out to be 20% and the traffic is estimated to be 4300 commercial vehicles per day? Correct Answer 20 cm

The design chart as per IRC method is used to compute the thickness. a sample of the same graph is shown below. 4300 CVPD indicates that the curve F should be used. For CBR 20% and curve F, the thickness is obtained as 20 cm.
Bissoy MCQ

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