Method and system for installing micropiles with a sonic drill
OwnerRaymond Roussyinventor
Life of this patent
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Abstract
Disclosed is a method for drilling a cased hole and installing a micropile. A sonic drilling apparatus is positioned at a desired location. The sonic drilling apparatus includes a rotating and vibrating apparatus for rotating and vibrating a drill string into the ground. The cased hole is drilled to a desired depth by rotating and vibrating the hollow drill string into the ground while discharging fluid into the inner space of the hollow drill string. A micropile is then lowered into the cased hole. Grouting material may be discharged into the cased hole before or after the drill string is removed from the ground.
Claims8
A method for drilling a cased hole and installing a micropile, the method comprising:
- positioning a sonic drilling apparatus at a desired location, the sonic drilling apparatus including a rotating and vibrating apparatus for rotating and vibrating a hollow drill string into the ground, the hollow drill string having an inner space;
- drilling the cased hole to a desired depth by rotating and vibrating the drill string into the ground and discharging a fluid into the inner space of the hollow drill string;
- and
- lowering the micropile into the cased hole following the drilling of the cased hole to the desired depth and removing the drill string from the ground.
A system for drilling a hole and installing a micropile, the system comprising:
- a sonic drilling apparatus including a rotating and vibrating apparatus for rotating and vibrating a hollow drill string into the ground, the hollow drill string having an inner space;
- a fluid discharging apparatus for discharging a fluid into the inner space of the hollow drill string;
- a micropile for lowering into the inner space of the hollow drill string;
- and
- a grouting apparatus for discharging grouting material to encompass the micropile.
Dependencies are inferred from the claim text.