Title:
GROUTING MATERIAL
Document Type and Number:
Japanese Patent JP2022131571
Kind Code:
A
Abstract:
To provide a grouting material capable of securing desired gel time and a permeability/filling property, exhibiting a high improvement effect to a ground which makes ground improvement difficult by a conventional grouting material and easily causes runaway and drainage, and capable of modifying to a strong ground which has a high strength-developing property from initial periods to middle and long periods.SOLUTION: A two liquid-type grouting material which comprises slurry A containing colloidal silica and slurry B containing a hydraulic substance is such that: an average particle diameter of the colloidal silica is 3-10 nm; a median diameter of the hydraulic substance is 1-15 μm; and a particle diameter ratio thereof (median diameter of the hydraulic substance/average particle diameter of the colloidal silica) is 200-3,000.SELECTED DRAWING: None
Inventors:
YOSHIDA RYOZO
FUKUYAMA MAKOTO
FUKUYAMA MAKOTO
Application Number:
JP2021030577A
Publication Date:
September 07, 2022
Filing Date:
February 26, 2021
Export Citation:
Assignee:
TAIHEIYO MATERIAL KK
International Classes:
C04B14/04; C09K17/02; C04B20/00; C04B22/06; C04B28/02; E02D3/12
Attorney, Agent or Firm:
Alga Patent Office, a patent business corporation