CBR

[marblaze]

CBR or california bearing ratio is an important soil parameter when designing a road.

Road of the same category will normally have similar construction components except sub-base and capping layer in which their thickness is relative to the value of CBR.

see a typical detail of road constuction, just click the link below. regards

http://malilipotbuilders.blogspot.com/2008/04/cbr.html