Method and arrangement for improving soil and/or for lifting structures

  • US 7,789,591 B2
  • Filed: 06/04/2007
  • Issued: 09/07/2010
  • Est. Priority Date: 06/05/2006
  • Status: Active Grant
First Claim
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1. A method for condensing, filling or replacing soil and/or for lifting structures, the method comprising:

  • providing the soil or structure with a hole;

    arranging into the hole an injection bar and an expansion element provided in connection therewith; and

    injecting a substance into the expansion element, whereby the substance expands as a consequence of a chemical reaction inside the expansion element, so that a force pressing the expansion element against the soil is generated mainly by the chemical reaction.

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