Discuss the preparation/construction process in different
layers of highway foundation. How
determination of optimum moisture content for...
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Civil Engineering
Discuss the preparation/construction process in differentlayers of highway foundation. How
determination of optimum moisture content for a given soilwill ensure the load carrying capacity of
highway foundation?
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4.2 Ratings (726 Votes)
The pavement foundations mainly consist of two layers thesubbase and the base courseSubbase provides a level surface with sufficient loadbearingcapacity and acts as a temporary wearing surface course duringconstruction It is prepared by cutting Filling embankment tothe required level Generally approx 98 of the maximum drydensity of the soil should be the achieved compaction and a minimumof 8 CBR Subbase material shall be placed and compacted inlayers not exceeding 150mm to the desired
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