<P> The California bearing ratio ( CBR ) is a penetration test for evaluation of the mechanical strength of natural ground , subgrades and base courses beneath new carriageway construction . It was developed by the California Department of Transportation before World War II . </P>
<P> The California bearing ratio ( CBR ) is a penetration test for evaluation of the mechanical strength of natural ground , subgrades and base courses beneath new carriageway construction . It was developed by the California Department of Transportation before World War II . </P>
what is the meaning of cbr in soil test
what is the meaning of cbr in soil test
a penetration test for evaluation of the mechanical strength of natural ground , subgrades and base courses beneath new carriageway construction
a penetration test for evaluation of the mechanical strength of natural ground , subgrades and base courses beneath new carriageway construction