Title:
GROUND IMPROVEMENT METHOD
Document Type and Number:
Japanese Patent JP2019077996
Kind Code:
A
Abstract:
To provide a ground improvement method capable of preventing mud in the ground from appearing on the ground during ground improvement work.SOLUTION: A ground improvement method includes: a first excavation step of injecting a mixture 14 of a flocculant and a surfactant for forming mud floc 13 in an excavation hole 12A while forming the excavation hole 12A in the ground G by a first screw 11; a standby step of forming the floc 13 by standing by for predetermined time after the first excavation step; and a second excavation step of excavating the excavation hole 12A coaxially with a second screw 15 after the standby step.SELECTED DRAWING: Figure 1
Inventors:
FUJII TAKEYUKI
Application Number:
JP2017203308A
Publication Date:
May 23, 2019
Filing Date:
October 20, 2017
Export Citation:
Assignee:
FUJII TAKEYUKI
International Classes:
E02D5/34; C09K17/44; E02D5/46
Attorney, Agent or Firm:
Naoya Kamata
Bunji Kamada
Yaichiro Nakatani
Masanori Akatsuka
Bunji Kamada
Yaichiro Nakatani
Masanori Akatsuka