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US 6,354,768 B1Granted
Soil reinforcement method and apparatus
AssigneeGeotechnical Reinforcement Company, Inc.
InventorNathaniel S. Fox
Life of this patent
Estimating the term…
Abstract
A method and apparatus for improving the stiffness of soil by forming an opening in the ground, inserting an expandable member, and distending the expandable member.
Claims15
At a site including a section of ground comprising existing soil, the improvement in said site comprising, in combination:
- (a) a cavity in the section of ground;
- (b) at least one elongate expandable member in said cavity;
- (c) a composition in said member, said composition expanding said member to compact soil adjacent said expandable member.
A method for building a soil support system including existing soil having an in situ density and an in situ stress state, said method comprising the steps of:
- (a) forming a cavity;
- (b) providing at least one elongate expandable member;
- (c) inserting said expandable member in said cavity;
- (d) at last partially filling said expandable member with a composition to expand said expandable member, whereby portions of the soil adjacent said expandable member have increased lateral stress and increased lateral strain.
1 more element
A method for improving soil at a building site comprising in combination the steps of:
- (a) inserting an expandable member into the soil;
- and
- (b) expanding the expandable member by inflation thereof.
Dependencies are inferred from the claim text.