Title:
GROUND IMPROVEMENT STRUCTURE AND EXCAVATION METHOD
Document Type and Number:
Japanese Patent JP2019199693
Kind Code:
A
Abstract:
To provide a ground improvement structure and the like which can suppress work period and cost required for an artificial impermeable layer.SOLUTION: A ground improvement structure includes: earth retaining walls 3 at both sides of an excavation position in a ground 2; and an artificial impermeable layer 4 formed by improving the ground 2 between the earth retaining walls 3 using a solidification material. An upper face of the artificial impermeable layer 4 is a horizontal surface formed in a horizontal direction. A lower face of the artificial impermeable layer 4 includes an upwardly protruding shape. A thickness of the artificial impermeable layer 4 at an intermediate portion between the earth retaining walls 3 is smaller than a thickness at a position of the earth retaining walls 3.SELECTED DRAWING: Figure 5
Inventors:
YASUNAGA MASAMICHI
Application Number:
JP2018093007A
Publication Date:
November 21, 2019
Filing Date:
May 14, 2018
Export Citation:
Assignee:
KAJIMA CORP
International Classes:
E02D31/12; E02D3/12; E02D5/54; E02D5/80; E02D17/04; E02D29/05
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Attorney, Agent or Firm:
Seiichi Inoue