Table 1 List of statistics of standard penetration test results
Layer order | Layer name | Number of tests | Actual hammering number N (beat) | ||||
|---|---|---|---|---|---|---|---|
Minimum value | Maximum value | Average value | Standard deviation | Coefficient of variation | |||
① | Fine sand | 4 | 16.0 | 27.0 | 20.5 | 5.4 | 0.27 |
② | Medium sand | 13 | 16.0 | 29.0 | 24.8 | 4.9 | 0.20 |
③ | Gravel | 2 | 29.0 | 31.0 | 30.0 | 1.4 | 0.05 |