Treating soil
Patent
·
OSTI ID:6562032
A method is described by which colloids, clay, silt, and silt-mixed sand which exist in rivers, lakes, marshes, harbors, and the sea can be turned into stabilized foundation ground necessary for construction. The weak soil layer is agitated by moving through it rotating agitator impellers arranged closely spaced in a row. The agitator impellers are reciprocated vertically and simultaneously translated horizontally through the weak soil layer in a direction transversely to the row. Each agitator is moved in its vertical movement independently of the other agitator impellers through a vertical stroke, of which the lower end point is determined by contacting of the foundation layer by the respective agitator. The upper end point is predetermined as the upper boundary of the stabilized mass and is the same for all of the agitator impellers. A solidifier agent is injected from the rotating agitator impellers into the weak soil layer during their movement. (1 claim)
- Assignee:
- EDB-83-037029
- Patent Number(s):
- US 4072017
- OSTI ID:
- 6562032
- Country of Publication:
- United States
- Language:
- English
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