Before revision: The surcharge weight is placed on the top of the specimen in the mould and the assembly is placed under the plunger of the loading frame.California Bearing Ratio Test
After revision: Example valuesCBR values for common soil subgrades can be estimated according to the USC soil types, for example: clay around 2%DIF > , sand from 7% (poorly graded) to 10% (well graded), well graded sandy gravel 15%, clayey sand 5-20%, silty gravel 20-60%, gravel from 30-60% poorly-graded to 40-80% if well-graded.The surcharge weight is placed on the top of the specimen in the mould and the assembly is placed under the plunger of the loading frame.California Bearing Ratio Test