| Q.90 | Which of the following does not correspond to the recommendations of IRC: 37-2018, for pavement thickness determination by California Bearing Ratio (CBR) method? | |
| Ans | A. The top 50 cm of subgrade should be compacted minimum 97% of maximum Proctor compaction test density . | |
| B. CBR tests are to be conducted in-situ in field | ||
| C. For the design of the subgrade soil sample should be compacted at Optimum moisture content to proctor density. | ||
| D. At least 3 samples should be tested on each type of soil at the same density and moisture content. |
Correct Ans Provided: B
