Title:
OBSERVATION METHOD FOR GROUND WATER AND TUBE BODY FOR OBSERVATION USED THEREFOR
Document Type and Number:
Japanese Patent JP2016098554
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an observation method for ground water that can evaluate permeation water etc., through a border part between a foundation pile and an impermeable layer when the foundation pile is installed in a waste final disposal place site, and a tube body for observation used therefor.SOLUTION: While sediment in a tube body 12 for observation is excavated using the tube body 12 for observation which comprises a holed part 11, having intake holes 10, 10, ... formed to be linked inside and outside a pipe at a desired position in a tube axis direction, the tube body 12 for observation is made to further penetrate the foundation until the holed part 11 is located at an impermeable layer part 2c after being made to penetrate the foundation 2 until its lower end reaches the impermeable layer part 2b, and then the part below the holed part 11 of the tube body 12 for observation is closed with a shield body 14 to use the inside of the tube body 12 for observation as an observation well, and ground water flowing in the tube body 12 for observation through intake holes 10 is taken and analyzed to observe the ground water.SELECTED DRAWING: Figure 1
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Inventors:
TANAKA YUICHI
UENO KAZUHIKO
UENO KAZUHIKO
Application Number:
JP2014236269A
Publication Date:
May 30, 2016
Filing Date:
November 21, 2014
Export Citation:
Assignee:
PENTA OCEAN CONSTRUCTION CO LTD
International Classes:
E21B49/08; E02D1/06; G01N33/18; G01V9/02
Domestic Patent References:
| JPH07217362A | 1995-08-15 | |||
| JPH07158375A | 1995-06-20 | |||
| JP2006348719A | 2006-12-28 | |||
| JP2013217131A | 2013-10-24 | |||
| JPH10259797A | 1998-09-29 | |||
| JPH02217531A | 1990-08-30 | |||
| JPS61242216A | 1986-10-28 | |||
| JP2003147758A | 2003-05-21 | |||
| JP2001280052A | 2001-10-10 |
Attorney, Agent or Firm:
Masao Tanaka
Rita Ishii
Rita Ishii