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TEMPORARY DRAINAGE WELLS IN LOOSE GRANULAR SOILS

  • US 20160186398A1
  • Filed: 03/04/2016
  • Published: 06/30/2016
  • Est. Priority Date: 03/04/2015
  • Status: Active Grant
First Claim
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1. A method for building a drainage well in a loose granular soil, the method comprising:

  • inserting a liner tube into a loose soil using an inserting device, the liner tube including a housing and an internal shaft placed inside the housing and coupled to inside the housing via a locking mechanism;

    unlocking the internal shaft from the housing and removing the unlocked internal shaft from the housing subsequent to inserting the liner tube into the loose soil;

    inserting via an inserting device a grooved pipe inside the housing from which the internal shaft has been removed, the grooved pipe being longer than the housing and configured to receive groundwater via a plurality of grooves within the grooved pipe;

    removing via a mechanical excavator the housing from the loose granular soil subsequent to insertion of the grooved pipe inside the housing; and

    filling a space between the loose granular soil and the grooved pipe with a filling material.

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