MidSonic pile driver
Автор: SonicSampDriller
Загружено: 2010-11-11
Просмотров: 3521
Описание:
This video shows you a MidSonic used in The Netherlands for anchor drilling.
This rig has 40 -45 meters of 8" pipe in one lenght which they drill down within 7 minutes without the use of water. A lost cone is applied which is knocked off by the anchor after reaching desired depth. This client applies 3 MidSonic units and have to carry out thousands of anchors for soil anchoring of new Aquaducts.
As soon as they have reached desired depth the anchor is installed and cement / grout is injected while retracting the casing.
The MidSonic heads are powered by special designed hydraulic powerpacks which are remote controlled, the sonic frequency can be controlled proportionally. This is very important because each geology has its own frequency band to fluidise. in the movie you can hear sonic rpm going up when they are in hard clay. for more info visit www.sonicsampdrill.com
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