Table 2 Main technique parameters of DM techniques.
From: Innovative digital control minor-disturbance equipment for deep mixing
Term | Dual-axis | Triple -axis | DMP |
|---|---|---|---|
Slurry channel | 1 | 2 | 8 |
Compressed air channel | w/o | 1 | 4 |
Upper and lower nozzles | w/o | w/o | w/ |
Stratum pressure monitor | w/o | w/o | w/ |
Max. drilling depth(m) | 18 | 35 | 48 |
Rod verticality sensor | w/o | w/o | w/ |
Free blade | w/o | w/o | w/ |
Construction control system | w/o | w/o | w/ |
