Design the flexible pavement using Group index method and California bearing ratio method using the following...

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Civil Engineering

Design the flexible pavement using Group index methodand California bearing ratio method using the following data andcompare the pavements.

Soil portion passing 75 micron sieve = 60%

Liquid limit = 43% and plastic limit = 28%

Area of the plunger = 19.6 cm2

Load at 2.5 mm penetration = 45kg

Load at 5 mm penetration = 68kg

Sub-base CBR = 30%

Base course CBR = 70%

Expected traffic = 900 vehicles per day.

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