S.Tests#4: California Bearing Ration AASHTP T 193 - 93 ASTM D1883
This test method covers the determination of the California Bearing Ratio ( CBR) of pavement subgrade , subbase and basecoarse materials rotary compacted specimen . The test method is primarily intended for - but not limited to - evaluating the strength of the cohesive materials having maximum particle sizes less than 19mm.It is the load to penetrate a cylinder with some speed to 0.1 in. or 01.2 in
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