SSC RSMSSB JE Mock Test 2024 Soil Mechanics and Foundation Engineering Bearing Capacity Shallow Foundation
The number of blows observed in an SPT for different penetration depths is given in the table below.
| Penetration sampler (mm) | Number of blows |
|---|---|
| 0 - 150 | 7 |
| 150 - 300 | 18 |
| 300 - 450 | 21 |
The observed N value is
1
39
2
7
3
46
4
25