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Method of and apparatus for soil stabilization

  • US 4,606,675 A
  • Filed: 01/16/1985
  • Issued: 08/19/1986
  • Est. Priority Date: 02/02/1984
  • Status: Expired due to Term
First Claim
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1. A method of soil stabilization by jetting the powdery stabilizing agent into the ground and mixing and agitating the same with the soil and utilizing compressed air, a transportation tube, a rotary shaft having a mixing blade integrally attached to and extending from a base of said shaft and a nozzle in communication with said blade, which comprises:

  • inserting a rotary shaft into the ground;

    pneumatically feeding the powdery stabilizing agent from above the ground at a constant rate together with said compressed air by way of said transportation tube positioned within the rotary shaft;

    jetting out the powdery stabilizing agent and the compressed air from said nozzle in communication with the mixing blade;

    mixing and agitating the powdery stabilizing agent with the underground soil by rotation of the mixing blade to thereby solidifcate said agent and said soil;

    inducing the carrier air jetted through the ground and then discharging the air outside the ground after filtration of said air; and

    controlling the supply of the powdery stabilizing agent in accordance with a predetermined condition.

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