Selection equipment based upon soil conditions
| Cohesive Soils Cu kN |
Soft |
Firm |
Stiff |
Very stiff |
|
0-45 |
46-80 |
81-150 |
150+ |
|
Air hammer |
A |
B |
C |
D |
|
Hydraulic Impact - HT Series |
A |
A |
B |
D |
|
Small Excavator mounted vibrator e.g EMV70 |
C |
D |
D |
D |
|
Large Excavator mounted vibrator e.g EMV300 |
B |
C |
D |
D |
|
Granular Soils N Values SPT Test |
Loose |
Medium |
Dense |
Very Dense |
|
0-10 |
11-30 |
31-50 |
50+ |
|
Air hammer |
A |
A |
B |
D |
|
Hydraulic Impact - HT Series |
A |
A |
B |
D |
|
Small Excavator mounted vibrator e.g. EMV70 |
A |
B |
C |
D |
|
Large Excavator mounted vibrator e.g. EMV300 |
A |
A |
B |
D |
|
A = Most Suited, B= Suitable, C = Not Ideal and D= Not Suited |