Title:
拡散防止壁とその造成方法
Document Type and Number:
Japanese Patent JP6545523
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a diffusion prevention wall which can eliminate a problem which occurs when constructing the diffusion prevention wall extending up to an impermeable layer, and can suppress that a contaminant and contaminated groundwater contained in contaminated soil diffuse to the outside of the diffusion prevention wall, and its construction method.SOLUTION: In a construction method of a diffusion prevention wall which constructs the diffusion prevention wall 10 for a contaminant which is contained in contaminated soil PS at a downstream side of a groundwater flow rather than the contaminated soil PS in soil G1 in which an impermeable layer G2 exists, the contaminated soil PS exists at an upper part of the impermeable layer G2, and the groundwater flow exists, and the construction method comprises an inclined part 1 which is inclined downward to the contaminated soil side, and constructs the diffusion prevention wall 10 whose lower end does not reach the impermeable layer G2.SELECTED DRAWING: Figure 4
Inventors:
Kentaro Masuoka
Masaya Oishi
Masaya Oishi
Application Number:
JP2015097614A
Publication Date:
July 17, 2019
Filing Date:
May 12, 2015
Export Citation:
Assignee:
Taisei Corporation
International Classes:
B09C1/00; E02D5/20; E02D5/02; E02D5/18
Domestic Patent References:
| JP10277532A | ||||
| JP2001032269A | ||||
| JP2015089543A | ||||
| JP2014228470A | ||||
| JP2011200755A | ||||
| JP2007130602A | ||||
| JP2006088009A | ||||
| JP2007038175A |
Foreign References:
| US5551807 |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Ishikawa Takiharu
Tadahiko Ito
Ishikawa Takiharu